Commit Graph

29110 Commits

Author SHA1 Message Date
Linus Torvalds
aa5b537b0e RISC-V Patches for the 5.18 Merge Window, Part 1
* Support for Sv57-based virtual memory.
 * Various improvements for the MicroChip PolarFire SOC and the
   associated Icicle dev board, which should allow upstream kernels to
   boot without any additional modifications.
 * An improved memmove() implementation.
 * Support for the new Ssconfpmf and SBI PMU extensions, which allows for
   a much more useful perf implementation on RISC-V systems.
 * Support for restartable sequences.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCAAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmI96FcTHHBhbG1lckBk
 YWJiZWx0LmNvbQAKCRAuExnzX7sYiQBFD/425+6xmoOru6Wiki3Ja0fqQToNrQyW
 IbmE/8AxUP7UxMvJSNzvQm8deXgklzvmegXCtnjwZZins971vMzzDSI83k/zn8I7
 m5thVC9z01BjodV+pvIp/44hS6FesolOLzkVHksX0Zh6h0iidrc34Qf5HrqvvNfN
 CZ/4K1+E9ig5r9qZp4WdvocCXj+FzwF/30GjKoW9vwA599CEG/dCo+TNN9GKD6XS
 k+xiUGwlIRA+kCLSPFCi7ev9XPr1tCmQB7uB8Igcvr7Y3mWl8HKfajQVXBnXNRC3
 ifbDxpx1elJiLPyf7Rza8jIDwDhLQdxBiwPgDgP9h9R4x0uF4efq8PzLzFlFmaE+
 9Z9thfykBb5dXYDFDje9bAOXvKnGk7Iqxdsz0qWo/ChEQawX1+11bJb0TNN8QTT9
 YvlQfUXgb1dmEcj5yG2uVE1Y8L7YNLRMsZU3W3FbmPJZoavSOuU4x0yCGeLyv597
 76af3nuBJ5v80Db97gu6St+HIACeevKflsZUf/8GS/p7d1DlvmrWzQUMEycxPTG9
 UZpZak58jh7AqQ9JbLnavhwmeacY50vpZOw6QHGAHSN+8daCPlOHDG7Ver7Z+kNj
 +srJ7iKMvLnnaEjGNgavfxdqTOme1gv4LWs/JdHYMkpphqVN92xBDJnhXTPRVZiQ
 0x39vK86qtB46A==
 =Omc6
 -----END PGP SIGNATURE-----

Merge tag 'riscv-for-linus-5.18-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:

 - Support for Sv57-based virtual memory.

 - Various improvements for the MicroChip PolarFire SOC and the
   associated Icicle dev board, which should allow upstream kernels to
   boot without any additional modifications.

 - An improved memmove() implementation.

 - Support for the new Ssconfpmf and SBI PMU extensions, which allows
   for a much more useful perf implementation on RISC-V systems.

 - Support for restartable sequences.

* tag 'riscv-for-linus-5.18-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (36 commits)
  rseq/selftests: Add support for RISC-V
  RISC-V: Add support for restartable sequence
  MAINTAINERS: Add entry for RISC-V PMU drivers
  Documentation: riscv: Remove the old documentation
  RISC-V: Add sscofpmf extension support
  RISC-V: Add perf platform driver based on SBI PMU extension
  RISC-V: Add RISC-V SBI PMU extension definitions
  RISC-V: Add a simple platform driver for RISC-V legacy perf
  RISC-V: Add a perf core library for pmu drivers
  RISC-V: Add CSR encodings for all HPMCOUNTERS
  RISC-V: Remove the current perf implementation
  RISC-V: Improve /proc/cpuinfo output for ISA extensions
  RISC-V: Do no continue isa string parsing without correct XLEN
  RISC-V: Implement multi-letter ISA extension probing framework
  RISC-V: Extract multi-letter extension names from "riscv, isa"
  RISC-V: Minimal parser for "riscv, isa" strings
  RISC-V: Correctly print supported extensions
  riscv: Fixed misaligned memory access. Fixed pointer comparison.
  MAINTAINERS: update riscv/microchip entry
  riscv: dts: microchip: add new peripherals to icicle kit device tree
  ...
2022-03-25 10:11:38 -07:00
Linus Torvalds
d710d370c4 s390 updates for the 5.18 merge window
- Raise minimum supported machine generation to z10, which comes with
   various cleanups and code simplifications (usercopy/spectre
   mitigation/etc).
 
 - Rework extables and get rid of anonymous out-of-line fixups.
 
 - Page table helpers cleanup. Add set_pXd()/set_pte() helper
   functions. Covert pte_val()/pXd_val() macros to functions.
 
 - Optimize kretprobe handling by avoiding extra kprobe on
   __kretprobe_trampoline.
 
 - Add support for CEX8 crypto cards.
 
 - Allow to trigger AP bus rescan via writing to /sys/bus/ap/scans.
 
 - Add CONFIG_EXPOLINE_EXTERN option to build the kernel without COMDAT
   group sections which simplifies kpatch support.
 
 - Always use the packed stack layout and extend kernel unwinder tests.
 
 - Add sanity checks for ftrace code patching.
 
 - Add s390dbf debug log for the vfio_ap device driver.
 
 - Various virtual vs physical address confusion fixes.
 
 - Various small fixes and improvements all over the code.
 -----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCAAdFiEE3QHqV+H2a8xAv27vjYWKoQLXFBgFAmI94dsACgkQjYWKoQLX
 FBiaCggAm9xYJ06Qt9c+T9B7aA4Lt50w7Bnxqx1/Q7UHQQgDpkNhKzI1kt/xeKY4
 JgZQ9lJC4YRLlyfIVzffLI2DWGbl8BcTpuRWVLhPI5D2yHZBXr2ARe7IGFJueddy
 MVqU/r+U3H0r3obQeUc4TSrHtSRX7eQZWIoVuDU75b9fCniee/bmGZqs6yXPXXh4
 pTZQ/gsIhF/o6eBJLEXLjUAcIasxCk15GXWXmkaSwKHAhfYiintwGmtKqQ8etCvw
 17vdlTjA4ce+3ooD/hXGPa8TqeiGKsIB2Xr89x/48f1eJyp2zPJZ1ZvAUBHJBCNt
 b4sF4ql8303Lj7Be+LeqdlbXfa5PZg==
 =meZf
 -----END PGP SIGNATURE-----

Merge tag 's390-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 updates from Vasily Gorbik:

 - Raise minimum supported machine generation to z10, which comes with
   various cleanups and code simplifications (usercopy/spectre
   mitigation/etc).

 - Rework extables and get rid of anonymous out-of-line fixups.

 - Page table helpers cleanup. Add set_pXd()/set_pte() helper functions.
   Covert pte_val()/pXd_val() macros to functions.

 - Optimize kretprobe handling by avoiding extra kprobe on
   __kretprobe_trampoline.

 - Add support for CEX8 crypto cards.

 - Allow to trigger AP bus rescan via writing to /sys/bus/ap/scans.

 - Add CONFIG_EXPOLINE_EXTERN option to build the kernel without COMDAT
   group sections which simplifies kpatch support.

 - Always use the packed stack layout and extend kernel unwinder tests.

 - Add sanity checks for ftrace code patching.

 - Add s390dbf debug log for the vfio_ap device driver.

 - Various virtual vs physical address confusion fixes.

 - Various small fixes and improvements all over the code.

* tag 's390-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (69 commits)
  s390/test_unwind: add kretprobe tests
  s390/kprobes: Avoid additional kprobe in kretprobe handling
  s390: convert ".insn" encoding to instruction names
  s390: assume stckf is always present
  s390/nospec: move to single register thunks
  s390: raise minimum supported machine generation to z10
  s390/uaccess: Add copy_from/to_user_key functions
  s390/nospec: align and size extern thunks
  s390/nospec: add an option to use thunk-extern
  s390/nospec: generate single register thunks if possible
  s390/pci: make zpci_set_irq()/zpci_clear_irq() static
  s390: remove unused expoline to BC instructions
  s390/irq: use assignment instead of cast
  s390/traps: get rid of magic cast for per code
  s390/traps: get rid of magic cast for program interruption code
  s390/signal: fix typo in comments
  s390/asm-offsets: remove unused defines
  s390/test_unwind: avoid build warning with W=1
  s390: remove .fixup section
  s390/bpf: encode register within extable entry
  ...
2022-03-25 10:01:34 -07:00
Linus Torvalds
1f1c153e40 powerpc updates for 5.18
- Enforce kernel RO, and implement STRICT_MODULE_RWX for 603.
 
  - Add support for livepatch to 32-bit.
 
  - Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS.
 
  - Merge vdso64 and vdso32 into a single directory.
 
  - Fix build errors with newer binutils.
 
  - Add support for UADDR64 relocations, which are emitted by some toolchains. This allows
    powerpc to build with the latest lld.
 
  - Fix (another) potential userspace r13 corruption in transactional memory handling.
 
  - Cleanups of function descriptor handling & related fixes to LKDTM.
 
 Thanks to: Abdul Haleem, Alexey Kardashevskiy, Anders Roxell, Aneesh Kumar K.V, Anton
 Blanchard, Arnd Bergmann, Athira Rajeev, Bhaskar Chowdhury, Cédric Le Goater, Chen
 Jingwen, Christophe JAILLET, Christophe Leroy, Corentin Labbe, Daniel Axtens, Daniel
 Henrique Barboza, David Dai, Fabiano Rosas, Ganesh Goudar, Guo Zhengkui, Hangyu Hua, Haren
 Myneni, Hari Bathini, Igor Zhbanov, Jakob Koschel, Jason Wang, Jeremy Kerr, Joachim
 Wiberg, Jordan Niethe, Julia Lawall, Kajol Jain, Kees Cook, Laurent Dufour, Madhavan
 Srinivasan, Mamatha Inamdar, Maxime Bizon, Maxim Kiselev, Maxim Kochetkov, Michal
 Suchanek, Nageswara R Sastry, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Nour-eddine
 Taleb, Paul Menzel, Ping Fang, Pratik R. Sampat, Randy Dunlap, Ritesh Harjani, Rohan
 McLure, Russell Currey, Sachin Sant, Segher Boessenkool, Shivaprasad G Bhat, Sourabh Jain,
 Thierry Reding, Tobias Waldekranz, Tyrel Datwyler, Vaibhav Jain, Vladimir Oltean, Wedson
 Almeida Filho, YueHaibing.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmI9TtQTHG1wZUBlbGxl
 cm1hbi5pZC5hdQAKCRBR6+o8yOGlgLp2D/0dwoliEJubRCfoawYUGhxTRZuo6ZYw
 EQzprOiFA/MtrZyPfbrX/FwxeeetzQWysaw2r5JAuQwx5Jb7Od9dNIrVmueFEktC
 hD4fkO8YT+QuOD3Xhp/rDQTImdw4fkeofIjnWIqEAtz0XGInmiRQKOnojVe/Po7f
 72Yi1u80LxYBAnkN/Hhpmi/BsVmu0Nh3wELu+JZopQXjINj4RyD49ayCBSLbmiNc
 uo7oYzJ0/WsZHNTpX9kAzzCq+XmI3dKZPyf2AOCvoRxJTmUPCRZF9QCwsmQFikiI
 vZOdz4fI5e+C0aYJj8ODmWMrXiS+JUQdEShjGg9t9K6EN8idC8joKWpAuXjTA9KN
 kRjzXX7AvjxaMEGbLe8gjU0PmEjY3eSzMOy15Oc/C0DRRswXRzrXdx2AF+/J6bQb
 MWMM4aCKfcYs5/TENkEnV0xpbOCOy4ikHM1KZbxvVrShvjSlNIL9XTOnl/pNK5BJ
 XSSI2mfnjKkbI1+l0KQ4NBXIRTo6HLpu5jwY3Xh97Tq7kaEfqDbO5p2P2HoOCiLa
 ZjdzmpP99zM6wnqUSj+lyvjob7btyhoq6TKmPtxfKbR6OaSfRJ760BCJ5y15Y9Hc
 rHey4Y/NL7LqsVYFZxi4/T6Ncq1hNeYr2Fiis4gH+/1zjr6Cd4othnvw3Slaxhst
 AaHpN3pyx1QI6g==
 =8r2c
 -----END PGP SIGNATURE-----

Merge tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Livepatch support for 32-bit is probably the standout new feature,
  otherwise mostly just lots of bits and pieces all over the board.

  There's a series of commits cleaning up function descriptor handling,
  which touches a few other arches as well as LKDTM. It has acks from
  Arnd, Kees and Helge.

  Summary:

   - Enforce kernel RO, and implement STRICT_MODULE_RWX for 603.

   - Add support for livepatch to 32-bit.

   - Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS.

   - Merge vdso64 and vdso32 into a single directory.

   - Fix build errors with newer binutils.

   - Add support for UADDR64 relocations, which are emitted by some
     toolchains. This allows powerpc to build with the latest lld.

   - Fix (another) potential userspace r13 corruption in transactional
     memory handling.

   - Cleanups of function descriptor handling & related fixes to LKDTM.

  Thanks to Abdul Haleem, Alexey Kardashevskiy, Anders Roxell, Aneesh
  Kumar K.V, Anton Blanchard, Arnd Bergmann, Athira Rajeev, Bhaskar
  Chowdhury, Cédric Le Goater, Chen Jingwen, Christophe JAILLET,
  Christophe Leroy, Corentin Labbe, Daniel Axtens, Daniel Henrique
  Barboza, David Dai, Fabiano Rosas, Ganesh Goudar, Guo Zhengkui, Hangyu
  Hua, Haren Myneni, Hari Bathini, Igor Zhbanov, Jakob Koschel, Jason
  Wang, Jeremy Kerr, Joachim Wiberg, Jordan Niethe, Julia Lawall, Kajol
  Jain, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Mamatha Inamdar,
  Maxime Bizon, Maxim Kiselev, Maxim Kochetkov, Michal Suchanek,
  Nageswara R Sastry, Nathan Lynch, Naveen N. Rao, Nicholas Piggin,
  Nour-eddine Taleb, Paul Menzel, Ping Fang, Pratik R. Sampat, Randy
  Dunlap, Ritesh Harjani, Rohan McLure, Russell Currey, Sachin Sant,
  Segher Boessenkool, Shivaprasad G Bhat, Sourabh Jain, Thierry Reding,
  Tobias Waldekranz, Tyrel Datwyler, Vaibhav Jain, Vladimir Oltean,
  Wedson Almeida Filho, and YueHaibing"

* tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
  powerpc/pseries: Fix use after free in remove_phb_dynamic()
  powerpc/time: improve decrementer clockevent processing
  powerpc/time: Fix KVM host re-arming a timer beyond decrementer range
  powerpc/tm: Fix more userspace r13 corruption
  powerpc/xive: fix return value of __setup handler
  powerpc/64: Add UADDR64 relocation support
  powerpc: 8xx: fix a return value error in mpc8xx_pic_init
  powerpc/ps3: remove unneeded semicolons
  powerpc/64: Force inlining of prevent_user_access() and set_kuap()
  powerpc/bitops: Force inlining of fls()
  powerpc: declare unmodified attribute_group usages const
  powerpc/spufs: Fix build warning when CONFIG_PROC_FS=n
  powerpc/secvar: fix refcount leak in format_show()
  powerpc/64e: Tie PPC_BOOK3E_64 to PPC_FSL_BOOK3E
  powerpc: Move C prototypes out of asm-prototypes.h
  powerpc/kexec: Declare kexec_paca static
  powerpc/smp: Declare current_set static
  powerpc: Cleanup asm-prototypes.c
  powerpc/ftrace: Use STK_GOT in ftrace_mprofile.S
  powerpc/ftrace: Regroup PPC64 specific operations in ftrace_mprofile.S
  ...
2022-03-25 09:39:36 -07:00
Linus Torvalds
b9132c32e0 cxl for 5.18
- Add a driver for 'struct cxl_memdev' objects responsible for CXL.mem
   operation as distinct from 'cxl_pci' mailbox operations. Its primary
   responsibility is enumerating an endpoint 'struct cxl_port' and all the
   'struct cxl_port' instances between an endpoint and the CXL platform
   root.
 
 - Add a driver for 'struct cxl_port' objects responsible for enumerating
   and operating all Host-managed Device Memory (HDM) decoder resources
   between the platform-level CXL memory description, all intervening host
   bridges / switches, and the HDM resources in endpoints.
 
 - Update the cxl_pci driver to validate CXL.mem operation precursors to
   HDM decoder operation like ready-polling, and legacy CXL 1.1 DVSEC
   based CXL.mem configuration.
 
 - Add basic lockdep coverage for usage of device_lock() on CXL subsystem
   objects similar to what exists for LIBNVDIMM. Include a compile-time
   switch for which subsystem to validate at run-time.
 
 - Update cxl_test to emulate a one level switch topology.
 
 - Document a "Theory of Operation" for the subsystem.
 
 - Add 'numa_node' and 'serial' attributes to cxl_memdev sysfs
 
 - Include miscellaneous fixes for spec / QEMU CXL emulation
   compatibility and static analysis reports.
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQSbo+XnGs+rwLz9XGXfioYZHlFsZwUCYjpX6AAKCRDfioYZHlFs
 ZzyxAQCztxAXj7mzkm1Qt5zZz4e7p/6sR49B03jBTfPtrEF9kQEAl9R15WVt6U+o
 Ooof1XhRic3kT6e8zS3ZVKHzGduYxwM=
 =mR94
 -----END PGP SIGNATURE-----

Merge tag 'cxl-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL (Compute Express Link) updates from Dan Williams:
 "This development cycle extends the subsystem to discover CXL resources
  throughout a CXL/PCIe switch topology and respond to hot add/remove
  events anywhere in that topology.

  This is more foundational infrastructure in preparation for dynamic
  memory region provisioning support. Recall that CXL memory regions, as
  the new "Theory of Operation" section of
  Documentation/driver-api/cxl/memory-devices.rst describes, bring
  storage volume striping semantics to memory.

  The hot add/remove behavior is validated with extensions to the
  cxl_test unit test environment and this test in the cxl-cli test
  suite:

      https://github.com/pmem/ndctl/blob/djbw/for-74/cxl/test/cxl-topology.sh

  Summary:

   - Add a driver for 'struct cxl_memdev' objects responsible for
     CXL.mem operation as distinct from 'cxl_pci' mailbox operations.

     Its primary responsibility is enumerating an endpoint 'struct
     cxl_port' and all the 'struct cxl_port' instances between an
     endpoint and the CXL platform root.

   - Add a driver for 'struct cxl_port' objects responsible for
     enumerating and operating all Host-managed Device Memory (HDM)
     decoder resources between the platform-level CXL memory
     description, all intervening host bridges / switches, and the HDM
     resources in endpoints.

   - Update the cxl_pci driver to validate CXL.mem operation precursors
     to HDM decoder operation like ready-polling, and legacy CXL 1.1
     DVSEC based CXL.mem configuration.

   - Add basic lockdep coverage for usage of device_lock() on CXL
     subsystem objects similar to what exists for LIBNVDIMM. Include a
     compile-time switch for which subsystem to validate at run-time.

   - Update cxl_test to emulate a one level switch topology.

   - Document a "Theory of Operation" for the subsystem.

   - Add 'numa_node' and 'serial' attributes to cxl_memdev sysfs

   - Include miscellaneous fixes for spec / QEMU CXL emulation
     compatibility and static analysis reports"

* tag 'cxl-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (48 commits)
  cxl/core/port: Fix NULL but dereferenced coccicheck error
  cxl/port: Hold port reference until decoder release
  cxl/port: Fix endpoint refcount leak
  cxl/core: Fix cxl_device_lock() class detection
  cxl/core/port: Fix unregister_port() lock assertion
  cxl/regs: Fix size of CXL Capability Header Register
  cxl/core/port: Handle invalid decoders
  cxl/core/port: Fix / relax decoder target enumeration
  tools/testing/cxl: Add a physical_node link
  tools/testing/cxl: Enumerate mock decoders
  tools/testing/cxl: Mock one level of switches
  tools/testing/cxl: Fix root port to host bridge assignment
  tools/testing/cxl: Mock dvsec_ranges()
  cxl/core/port: Add endpoint decoders
  cxl/core: Move target_list out of base decoder attributes
  cxl/mem: Add the cxl_mem driver
  cxl/core/port: Add switch port enumeration
  cxl/memdev: Add numa_node attribute
  cxl/pci: Emit device serial number
  cxl/pci: Implement wait for media active
  ...
2022-03-24 18:07:03 -07:00
Linus Torvalds
52deda9551 Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
 "Various misc subsystems, before getting into the post-linux-next
  material.

  41 patches.

  Subsystems affected by this patch series: procfs, misc, core-kernel,
  lib, checkpatch, init, pipe, minix, fat, cgroups, kexec, kdump,
  taskstats, panic, kcov, resource, and ubsan"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (41 commits)
  Revert "ubsan, kcsan: Don't combine sanitizer with kcov on clang"
  kernel/resource: fix kfree() of bootmem memory again
  kcov: properly handle subsequent mmap calls
  kcov: split ioctl handling into locked and unlocked parts
  panic: move panic_print before kmsg dumpers
  panic: add option to dump all CPUs backtraces in panic_print
  docs: sysctl/kernel: add missing bit to panic_print
  taskstats: remove unneeded dead assignment
  kasan: no need to unset panic_on_warn in end_report()
  ubsan: no need to unset panic_on_warn in ubsan_epilogue()
  panic: unset panic_on_warn inside panic()
  docs: kdump: add scp example to write out the dump file
  docs: kdump: update description about sysfs file system support
  arm64: mm: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
  x86/setup: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
  riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
  kexec: make crashk_res, crashk_low_res and crash_notes symbols always visible
  cgroup: use irqsave in cgroup_rstat_flush_locked().
  fat: use pointer to simple type in put_user()
  minix: fix bug when opening a file with O_DIRECT
  ...
2022-03-24 14:14:07 -07:00
Linus Torvalds
169e77764a Networking changes for 5.18.
Core
 ----
 
  - Introduce XDP multi-buffer support, allowing the use of XDP with
    jumbo frame MTUs and combination with Rx coalescing offloads (LRO).
 
  - Speed up netns dismantling (5x) and lower the memory cost a little.
    Remove unnecessary per-netns sockets. Scope some lists to a netns.
    Cut down RCU syncing. Use batch methods. Allow netdev registration
    to complete out of order.
 
  - Support distinguishing timestamp types (ingress vs egress) and
    maintaining them across packet scrubbing points (e.g. redirect).
 
  - Continue the work of annotating packet drop reasons throughout
    the stack.
 
  - Switch netdev error counters from an atomic to dynamically
    allocated per-CPU counters.
 
  - Rework a few preempt_disable(), local_irq_save() and busy waiting
    sections problematic on PREEMPT_RT.
 
  - Extend the ref_tracker to allow catching use-after-free bugs.
 
 BPF
 ---
 
  - Introduce "packing allocator" for BPF JIT images. JITed code is
    marked read only, and used to be allocated at page granularity.
    Custom allocator allows for more efficient memory use, lower
    iTLB pressure and prevents identity mapping huge pages from
    getting split.
 
  - Make use of BTF type annotations (e.g. __user, __percpu) to enforce
    the correct probe read access method, add appropriate helpers.
 
  - Convert the BPF preload to use light skeleton and drop
    the user-mode-driver dependency.
 
  - Allow XDP BPF_PROG_RUN test infra to send real packets, enabling
    its use as a packet generator.
 
  - Allow local storage memory to be allocated with GFP_KERNEL if called
    from a hook allowed to sleep.
 
  - Introduce fprobe (multi kprobe) to speed up mass attachment (arch
    bits to come later).
 
  - Add unstable conntrack lookup helpers for BPF by using the BPF
    kfunc infra.
 
  - Allow cgroup BPF progs to return custom errors to user space.
 
  - Add support for AF_UNIX iterator batching.
 
  - Allow iterator programs to use sleepable helpers.
 
  - Support JIT of add, and, or, xor and xchg atomic ops on arm64.
 
  - Add BTFGen support to bpftool which allows to use CO-RE in kernels
    without BTF info.
 
  - Large number of libbpf API improvements, cleanups and deprecations.
 
 Protocols
 ---------
 
  - Micro-optimize UDPv6 Tx, gaining up to 5% in test on dummy netdev.
 
  - Adjust TSO packet sizes based on min_rtt, allowing very low latency
    links (data centers) to always send full-sized TSO super-frames.
 
  - Make IPv6 flow label changes (AKA hash rethink) more configurable,
    via sysctl and setsockopt. Distinguish between server and client
    behavior.
 
  - VxLAN support to "collect metadata" devices to terminate only
    configured VNIs. This is similar to VLAN filtering in the bridge.
 
  - Support inserting IPv6 IOAM information to a fraction of frames.
 
  - Add protocol attribute to IP addresses to allow identifying where
    given address comes from (kernel-generated, DHCP etc.)
 
  - Support setting socket and IPv6 options via cmsg on ping6 sockets.
 
  - Reject mis-use of ECN bits in IP headers as part of DSCP/TOS.
    Define dscp_t and stop taking ECN bits into account in fib-rules.
 
  - Add support for locked bridge ports (for 802.1X).
 
  - tun: support NAPI for packets received from batched XDP buffs,
    doubling the performance in some scenarios.
 
  - IPv6 extension header handling in Open vSwitch.
 
  - Support IPv6 control message load balancing in bonding, prevent
    neighbor solicitation and advertisement from using the wrong port.
    Support NS/NA monitor selection similar to existing ARP monitor.
 
  - SMC
    - improve performance with TCP_CORK and sendfile()
    - support auto-corking
    - support TCP_NODELAY
 
  - MCTP (Management Component Transport Protocol)
    - add user space tag control interface
    - I2C binding driver (as specified by DMTF DSP0237)
 
  - Multi-BSSID beacon handling in AP mode for WiFi.
 
  - Bluetooth:
    - handle MSFT Monitor Device Event
    - add MGMT Adv Monitor Device Found/Lost events
 
  - Multi-Path TCP:
    - add support for the SO_SNDTIMEO socket option
    - lots of selftest cleanups and improvements
 
  - Increase the max PDU size in CAN ISOTP to 64 kB.
 
 Driver API
 ----------
 
  - Add HW counters for SW netdevs, a mechanism for devices which
    offload packet forwarding to report packet statistics back to
    software interfaces such as tunnels.
 
  - Select the default NIC queue count as a fraction of number of
    physical CPU cores, instead of hard-coding to 8.
 
  - Expose devlink instance locks to drivers. Allow device layer of
    drivers to use that lock directly instead of creating their own
    which always runs into ordering issues in devlink callbacks.
 
  - Add header/data split indication to guide user space enabling
    of TCP zero-copy Rx.
 
  - Allow configuring completion queue event size.
 
  - Refactor page_pool to enable fragmenting after allocation.
 
  - Add allocation and page reuse statistics to page_pool.
 
  - Improve Multiple Spanning Trees support in the bridge to allow
    reuse of topologies across VLANs, saving HW resources in switches.
 
  - DSA (Distributed Switch Architecture):
    - replay and offload of host VLAN entries
    - offload of static and local FDB entries on LAG interfaces
    - FDB isolation and unicast filtering
 
 New hardware / drivers
 ----------------------
 
  - Ethernet:
    - LAN937x T1 PHYs
    - Davicom DM9051 SPI NIC driver
    - Realtek RTL8367S, RTL8367RB-VB switch and MDIO
    - Microchip ksz8563 switches
    - Netronome NFP3800 SmartNICs
    - Fungible SmartNICs
    - MediaTek MT8195 switches
 
  - WiFi:
    - mt76: MediaTek mt7916
    - mt76: MediaTek mt7921u USB adapters
    - brcmfmac: Broadcom BCM43454/6
 
  - Mobile:
    - iosm: Intel M.2 7360 WWAN card
 
 Drivers
 -------
 
  - Convert many drivers to the new phylink API built for split PCS
    designs but also simplifying other cases.
 
  - Intel Ethernet NICs:
    - add TTY for GNSS module for E810T device
    - improve AF_XDP performance
    - GTP-C and GTP-U filter offload
    - QinQ VLAN support
 
  - Mellanox Ethernet NICs (mlx5):
    - support xdp->data_meta
    - multi-buffer XDP
    - offload tc push_eth and pop_eth actions
 
  - Netronome Ethernet NICs (nfp):
    - flow-independent tc action hardware offload (police / meter)
    - AF_XDP
 
  - Other Ethernet NICs:
    - at803x: fiber and SFP support
    - xgmac: mdio: preamble suppression and custom MDC frequencies
    - r8169: enable ASPM L1.2 if system vendor flags it as safe
    - macb/gem: ZynqMP SGMII
    - hns3: add TX push mode
    - dpaa2-eth: software TSO
    - lan743x: multi-queue, mdio, SGMII, PTP
    - axienet: NAPI and GRO support
 
  - Mellanox Ethernet switches (mlxsw):
    - source and dest IP address rewrites
    - RJ45 ports
 
  - Marvell Ethernet switches (prestera):
    - basic routing offload
    - multi-chain TC ACL offload
 
  - NXP embedded Ethernet switches (ocelot & felix):
    - PTP over UDP with the ocelot-8021q DSA tagging protocol
    - basic QoS classification on Felix DSA switch using dcbnl
    - port mirroring for ocelot switches
 
  - Microchip high-speed industrial Ethernet (sparx5):
    - offloading of bridge port flooding flags
    - PTP Hardware Clock
 
  - Other embedded switches:
    - lan966x: PTP Hardward Clock
    - qca8k: mdio read/write operations via crafted Ethernet packets
 
  - Qualcomm 802.11ax WiFi (ath11k):
    - add LDPC FEC type and 802.11ax High Efficiency data in radiotap
    - enable RX PPDU stats in monitor co-exist mode
 
  - Intel WiFi (iwlwifi):
    - UHB TAS enablement via BIOS
    - band disablement via BIOS
    - channel switch offload
    - 32 Rx AMPDU sessions in newer devices
 
  - MediaTek WiFi (mt76):
    - background radar detection
    - thermal management improvements on mt7915
    - SAR support for more mt76 platforms
    - MBSSID and 6 GHz band on mt7915
 
  - RealTek WiFi:
    - rtw89: AP mode
    - rtw89: 160 MHz channels and 6 GHz band
    - rtw89: hardware scan
 
  - Bluetooth:
    - mt7921s: wake on Bluetooth, SCO over I2S, wide-band-speed (WBS)
 
  - Microchip CAN (mcp251xfd):
    - multiple RX-FIFOs and runtime configurable RX/TX rings
    - internal PLL, runtime PM handling simplification
    - improve chip detection and error handling after wakeup
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEE6jPA+I1ugmIBA4hXMUZtbf5SIrsFAmI7YBcACgkQMUZtbf5S
 IrveSBAAmSNJlUK6vPsnNzs7IhsZnfI/AUjm2TCLZnlhKttbpI4A/4Pohk33V7RS
 FGX7f8kjEfhUwrIiLDgeCnztNHRECrCmk6aZc/jLEvecmTauJ+f6kjShkDY/wix+
 AkPHmrZnQeLPAEVuljDdV+sL6ik08+zQL7PazIYHsaSKKC0MGQptRwcri8PLRAKE
 KPBAhVhleq2rAZ/ntprSN52F4Af6rpFTrPIWuN8Bqdbc9dy5094LT0mpOOWYvgr3
 /DLvvAPuLemwyIQkjWknVKBRUAQcmNPC+BY3J8K3LRaiNhekGqOFan46BfqP+k2J
 6DWu0Qrp2yWt4BMOeEToZR5rA6v5suUAMIBu8PRZIDkINXQMlIxHfGjZyNm0rVfw
 7edNri966yus9OdzwPa32MIG3oC6PnVAwYCJAjjBMNS8sSIkp7wgHLkgWN4UFe2H
 K/e6z8TLF4UQ+zFM0aGI5WZ+9QqWkTWEDF3R3OhdFpGrznna0gxmkOeV2YvtsgxY
 cbS0vV9Zj73o+bYzgBKJsw/dAjyLdXoHUGvus26VLQ78S/VGunVKtItwoxBAYmZo
 krW964qcC89YofzSi8RSKLHuEWtNWZbVm8YXr75u6jpr5GhMBu0CYefLs+BuZcxy
 dw8c69cGneVbGZmY2J3rBhDkchbuICl8vdUPatGrOJAoaFdYKuw=
 =ELpe
 -----END PGP SIGNATURE-----

Merge tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "The sprinkling of SPI drivers is because we added a new one and Mark
  sent us a SPI driver interface conversion pull request.

  Core
  ----

   - Introduce XDP multi-buffer support, allowing the use of XDP with
     jumbo frame MTUs and combination with Rx coalescing offloads (LRO).

   - Speed up netns dismantling (5x) and lower the memory cost a little.
     Remove unnecessary per-netns sockets. Scope some lists to a netns.
     Cut down RCU syncing. Use batch methods. Allow netdev registration
     to complete out of order.

   - Support distinguishing timestamp types (ingress vs egress) and
     maintaining them across packet scrubbing points (e.g. redirect).

   - Continue the work of annotating packet drop reasons throughout the
     stack.

   - Switch netdev error counters from an atomic to dynamically
     allocated per-CPU counters.

   - Rework a few preempt_disable(), local_irq_save() and busy waiting
     sections problematic on PREEMPT_RT.

   - Extend the ref_tracker to allow catching use-after-free bugs.

  BPF
  ---

   - Introduce "packing allocator" for BPF JIT images. JITed code is
     marked read only, and used to be allocated at page granularity.
     Custom allocator allows for more efficient memory use, lower iTLB
     pressure and prevents identity mapping huge pages from getting
     split.

   - Make use of BTF type annotations (e.g. __user, __percpu) to enforce
     the correct probe read access method, add appropriate helpers.

   - Convert the BPF preload to use light skeleton and drop the
     user-mode-driver dependency.

   - Allow XDP BPF_PROG_RUN test infra to send real packets, enabling
     its use as a packet generator.

   - Allow local storage memory to be allocated with GFP_KERNEL if
     called from a hook allowed to sleep.

   - Introduce fprobe (multi kprobe) to speed up mass attachment (arch
     bits to come later).

   - Add unstable conntrack lookup helpers for BPF by using the BPF
     kfunc infra.

   - Allow cgroup BPF progs to return custom errors to user space.

   - Add support for AF_UNIX iterator batching.

   - Allow iterator programs to use sleepable helpers.

   - Support JIT of add, and, or, xor and xchg atomic ops on arm64.

   - Add BTFGen support to bpftool which allows to use CO-RE in kernels
     without BTF info.

   - Large number of libbpf API improvements, cleanups and deprecations.

  Protocols
  ---------

   - Micro-optimize UDPv6 Tx, gaining up to 5% in test on dummy netdev.

   - Adjust TSO packet sizes based on min_rtt, allowing very low latency
     links (data centers) to always send full-sized TSO super-frames.

   - Make IPv6 flow label changes (AKA hash rethink) more configurable,
     via sysctl and setsockopt. Distinguish between server and client
     behavior.

   - VxLAN support to "collect metadata" devices to terminate only
     configured VNIs. This is similar to VLAN filtering in the bridge.

   - Support inserting IPv6 IOAM information to a fraction of frames.

   - Add protocol attribute to IP addresses to allow identifying where
     given address comes from (kernel-generated, DHCP etc.)

   - Support setting socket and IPv6 options via cmsg on ping6 sockets.

   - Reject mis-use of ECN bits in IP headers as part of DSCP/TOS.
     Define dscp_t and stop taking ECN bits into account in fib-rules.

   - Add support for locked bridge ports (for 802.1X).

   - tun: support NAPI for packets received from batched XDP buffs,
     doubling the performance in some scenarios.

   - IPv6 extension header handling in Open vSwitch.

   - Support IPv6 control message load balancing in bonding, prevent
     neighbor solicitation and advertisement from using the wrong port.
     Support NS/NA monitor selection similar to existing ARP monitor.

   - SMC
      - improve performance with TCP_CORK and sendfile()
      - support auto-corking
      - support TCP_NODELAY

   - MCTP (Management Component Transport Protocol)
      - add user space tag control interface
      - I2C binding driver (as specified by DMTF DSP0237)

   - Multi-BSSID beacon handling in AP mode for WiFi.

   - Bluetooth:
      - handle MSFT Monitor Device Event
      - add MGMT Adv Monitor Device Found/Lost events

   - Multi-Path TCP:
      - add support for the SO_SNDTIMEO socket option
      - lots of selftest cleanups and improvements

   - Increase the max PDU size in CAN ISOTP to 64 kB.

  Driver API
  ----------

   - Add HW counters for SW netdevs, a mechanism for devices which
     offload packet forwarding to report packet statistics back to
     software interfaces such as tunnels.

   - Select the default NIC queue count as a fraction of number of
     physical CPU cores, instead of hard-coding to 8.

   - Expose devlink instance locks to drivers. Allow device layer of
     drivers to use that lock directly instead of creating their own
     which always runs into ordering issues in devlink callbacks.

   - Add header/data split indication to guide user space enabling of
     TCP zero-copy Rx.

   - Allow configuring completion queue event size.

   - Refactor page_pool to enable fragmenting after allocation.

   - Add allocation and page reuse statistics to page_pool.

   - Improve Multiple Spanning Trees support in the bridge to allow
     reuse of topologies across VLANs, saving HW resources in switches.

   - DSA (Distributed Switch Architecture):
      - replay and offload of host VLAN entries
      - offload of static and local FDB entries on LAG interfaces
      - FDB isolation and unicast filtering

  New hardware / drivers
  ----------------------

   - Ethernet:
      - LAN937x T1 PHYs
      - Davicom DM9051 SPI NIC driver
      - Realtek RTL8367S, RTL8367RB-VB switch and MDIO
      - Microchip ksz8563 switches
      - Netronome NFP3800 SmartNICs
      - Fungible SmartNICs
      - MediaTek MT8195 switches

   - WiFi:
      - mt76: MediaTek mt7916
      - mt76: MediaTek mt7921u USB adapters
      - brcmfmac: Broadcom BCM43454/6

   - Mobile:
      - iosm: Intel M.2 7360 WWAN card

  Drivers
  -------

   - Convert many drivers to the new phylink API built for split PCS
     designs but also simplifying other cases.

   - Intel Ethernet NICs:
      - add TTY for GNSS module for E810T device
      - improve AF_XDP performance
      - GTP-C and GTP-U filter offload
      - QinQ VLAN support

   - Mellanox Ethernet NICs (mlx5):
      - support xdp->data_meta
      - multi-buffer XDP
      - offload tc push_eth and pop_eth actions

   - Netronome Ethernet NICs (nfp):
      - flow-independent tc action hardware offload (police / meter)
      - AF_XDP

   - Other Ethernet NICs:
      - at803x: fiber and SFP support
      - xgmac: mdio: preamble suppression and custom MDC frequencies
      - r8169: enable ASPM L1.2 if system vendor flags it as safe
      - macb/gem: ZynqMP SGMII
      - hns3: add TX push mode
      - dpaa2-eth: software TSO
      - lan743x: multi-queue, mdio, SGMII, PTP
      - axienet: NAPI and GRO support

   - Mellanox Ethernet switches (mlxsw):
      - source and dest IP address rewrites
      - RJ45 ports

   - Marvell Ethernet switches (prestera):
      - basic routing offload
      - multi-chain TC ACL offload

   - NXP embedded Ethernet switches (ocelot & felix):
      - PTP over UDP with the ocelot-8021q DSA tagging protocol
      - basic QoS classification on Felix DSA switch using dcbnl
      - port mirroring for ocelot switches

   - Microchip high-speed industrial Ethernet (sparx5):
      - offloading of bridge port flooding flags
      - PTP Hardware Clock

   - Other embedded switches:
      - lan966x: PTP Hardward Clock
      - qca8k: mdio read/write operations via crafted Ethernet packets

   - Qualcomm 802.11ax WiFi (ath11k):
      - add LDPC FEC type and 802.11ax High Efficiency data in radiotap
      - enable RX PPDU stats in monitor co-exist mode

   - Intel WiFi (iwlwifi):
      - UHB TAS enablement via BIOS
      - band disablement via BIOS
      - channel switch offload
      - 32 Rx AMPDU sessions in newer devices

   - MediaTek WiFi (mt76):
      - background radar detection
      - thermal management improvements on mt7915
      - SAR support for more mt76 platforms
      - MBSSID and 6 GHz band on mt7915

   - RealTek WiFi:
      - rtw89: AP mode
      - rtw89: 160 MHz channels and 6 GHz band
      - rtw89: hardware scan

   - Bluetooth:
      - mt7921s: wake on Bluetooth, SCO over I2S, wide-band-speed (WBS)

   - Microchip CAN (mcp251xfd):
      - multiple RX-FIFOs and runtime configurable RX/TX rings
      - internal PLL, runtime PM handling simplification
      - improve chip detection and error handling after wakeup"

* tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2521 commits)
  llc: fix netdevice reference leaks in llc_ui_bind()
  drivers: ethernet: cpsw: fix panic when interrupt coaleceing is set via ethtool
  ice: don't allow to run ice_send_event_to_aux() in atomic ctx
  ice: fix 'scheduling while atomic' on aux critical err interrupt
  net/sched: fix incorrect vlan_push_eth dest field
  net: bridge: mst: Restrict info size queries to bridge ports
  net: marvell: prestera: add missing destroy_workqueue() in prestera_module_init()
  drivers: net: xgene: Fix regression in CRC stripping
  net: geneve: add missing netlink policy and size for IFLA_GENEVE_INNER_PROTO_INHERIT
  net: dsa: fix missing host-filtered multicast addresses
  net/mlx5e: Fix build warning, detected write beyond size of field
  iwlwifi: mvm: Don't fail if PPAG isn't supported
  selftests/bpf: Fix kprobe_multi test.
  Revert "rethook: x86: Add rethook x86 implementation"
  Revert "arm64: rethook: Add arm64 rethook implementation"
  Revert "powerpc: Add rethook support"
  Revert "ARM: rethook: Add rethook arm implementation"
  netdevice: add missing dm_private kdoc
  net: bridge: mst: prevent NULL deref in br_mst_info_size()
  selftests: forwarding: Use same VRF for port and VLAN upper
  ...
2022-03-24 13:13:26 -07:00
Linus Torvalds
1ebdbeb03e ARM:
- Proper emulation of the OSLock feature of the debug architecture
 
 - Scalibility improvements for the MMU lock when dirty logging is on
 
 - New VMID allocator, which will eventually help with SVA in VMs
 
 - Better support for PMUs in heterogenous systems
 
 - PSCI 1.1 support, enabling support for SYSTEM_RESET2
 
 - Implement CONFIG_DEBUG_LIST at EL2
 
 - Make CONFIG_ARM64_ERRATUM_2077057 default y
 
 - Reduce the overhead of VM exit when no interrupt is pending
 
 - Remove traces of 32bit ARM host support from the documentation
 
 - Updated vgic selftests
 
 - Various cleanups, doc updates and spelling fixes
 
 RISC-V:
 
 - Prevent KVM_COMPAT from being selected
 
 - Optimize __kvm_riscv_switch_to() implementation
 
 - RISC-V SBI v0.3 support
 
 s390:
 
 - memop selftest
 
 - fix SCK locking
 
 - adapter interruptions virtualization for secure guests
 
 - add Claudio Imbrenda as maintainer
 
 - first step to do proper storage key checking
 
 x86:
 
 - Continue switching kvm_x86_ops to static_call(); introduce
   static_call_cond() and __static_call_ret0 when applicable.
 
 - Cleanup unused arguments in several functions
 
 - Synthesize AMD 0x80000021 leaf
 
 - Fixes and optimization for Hyper-V sparse-bank hypercalls
 
 - Implement Hyper-V's enlightened MSR bitmap for nested SVM
 
 - Remove MMU auditing
 
 - Eager splitting of page tables (new aka "TDP" MMU only) when dirty
   page tracking is enabled
 
 - Cleanup the implementation of the guest PGD cache
 
 - Preparation for the implementation of Intel IPI virtualization
 
 - Fix some segment descriptor checks in the emulator
 
 - Allow AMD AVIC support on systems with physical APIC ID above 255
 
 - Better API to disable virtualization quirks
 
 - Fixes and optimizations for the zapping of page tables:
 
   - Zap roots in two passes, avoiding RCU read-side critical sections
     that last too long for very large guests backed by 4 KiB SPTEs.
 
   - Zap invalid and defunct roots asynchronously via concurrency-managed
     work queue.
 
   - Allowing yielding when zapping TDP MMU roots in response to the root's
     last reference being put.
 
   - Batch more TLB flushes with an RCU trick.  Whoever frees the paging
     structure now holds RCU as a proxy for all vCPUs running in the guest,
     i.e. to prolongs the grace period on their behalf.  It then kicks the
     the vCPUs out of guest mode before doing rcu_read_unlock().
 
 Generic:
 
 - Introduce __vcalloc and use it for very large allocations that
   need memcg accounting
 -----BEGIN PGP SIGNATURE-----
 
 iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmI4fdwUHHBib256aW5p
 QHJlZGhhdC5jb20ACgkQv/vSX3jHroMq8gf/WoeVHtw2QlL5Mmz6McvRRmPAYPLV
 wLUIFNrRqRvd8Tw4kivzZoh/xTpwmnojv0YdK5SjKAiMjgv094YI1LrNp1JSPvmL
 pitocMkA10RSJNWHeEMg9cMSKH0rKiqeYl6S1e2XsdB+UZZ2BINOCVtvglmjTAvJ
 dFBdKdBkqjAUZbdXAGIvz4JEEER3N/LkFDKGaUGX+0QIQOzGBPIyLTxynxIDG6mt
 RViCCFyXdy5NkVp5hZFm96vQ2qAlWL9B9+iKruQN++82+oqWbeTdSqPhdwF7GyFz
 BfOv3gobQ2c4ef/aMLO5LswZ9joI1t/4kQbbAn6dNybpOAz/NXfDnbNefg==
 =keox
 -----END PGP SIGNATURE-----

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "ARM:
   - Proper emulation of the OSLock feature of the debug architecture

   - Scalibility improvements for the MMU lock when dirty logging is on

   - New VMID allocator, which will eventually help with SVA in VMs

   - Better support for PMUs in heterogenous systems

   - PSCI 1.1 support, enabling support for SYSTEM_RESET2

   - Implement CONFIG_DEBUG_LIST at EL2

   - Make CONFIG_ARM64_ERRATUM_2077057 default y

   - Reduce the overhead of VM exit when no interrupt is pending

   - Remove traces of 32bit ARM host support from the documentation

   - Updated vgic selftests

   - Various cleanups, doc updates and spelling fixes

  RISC-V:
   - Prevent KVM_COMPAT from being selected

   - Optimize __kvm_riscv_switch_to() implementation

   - RISC-V SBI v0.3 support

  s390:
   - memop selftest

   - fix SCK locking

   - adapter interruptions virtualization for secure guests

   - add Claudio Imbrenda as maintainer

   - first step to do proper storage key checking

  x86:
   - Continue switching kvm_x86_ops to static_call(); introduce
     static_call_cond() and __static_call_ret0 when applicable.

   - Cleanup unused arguments in several functions

   - Synthesize AMD 0x80000021 leaf

   - Fixes and optimization for Hyper-V sparse-bank hypercalls

   - Implement Hyper-V's enlightened MSR bitmap for nested SVM

   - Remove MMU auditing

   - Eager splitting of page tables (new aka "TDP" MMU only) when dirty
     page tracking is enabled

   - Cleanup the implementation of the guest PGD cache

   - Preparation for the implementation of Intel IPI virtualization

   - Fix some segment descriptor checks in the emulator

   - Allow AMD AVIC support on systems with physical APIC ID above 255

   - Better API to disable virtualization quirks

   - Fixes and optimizations for the zapping of page tables:

      - Zap roots in two passes, avoiding RCU read-side critical
        sections that last too long for very large guests backed by 4
        KiB SPTEs.

      - Zap invalid and defunct roots asynchronously via
        concurrency-managed work queue.

      - Allowing yielding when zapping TDP MMU roots in response to the
        root's last reference being put.

      - Batch more TLB flushes with an RCU trick. Whoever frees the
        paging structure now holds RCU as a proxy for all vCPUs running
        in the guest, i.e. to prolongs the grace period on their behalf.
        It then kicks the the vCPUs out of guest mode before doing
        rcu_read_unlock().

  Generic:
   - Introduce __vcalloc and use it for very large allocations that need
     memcg accounting"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (246 commits)
  KVM: use kvcalloc for array allocations
  KVM: x86: Introduce KVM_CAP_DISABLE_QUIRKS2
  kvm: x86: Require const tsc for RT
  KVM: x86: synthesize CPUID leaf 0x80000021h if useful
  KVM: x86: add support for CPUID leaf 0x80000021
  KVM: x86: do not use KVM_X86_OP_OPTIONAL_RET0 for get_mt_mask
  Revert "KVM: x86/mmu: Zap only TDP MMU leafs in kvm_zap_gfn_range()"
  kvm: x86/mmu: Flush TLB before zap_gfn_range releases RCU
  KVM: arm64: fix typos in comments
  KVM: arm64: Generalise VM features into a set of flags
  KVM: s390: selftests: Add error memop tests
  KVM: s390: selftests: Add more copy memop tests
  KVM: s390: selftests: Add named stages for memop test
  KVM: s390: selftests: Add macro as abstraction for MEM_OP
  KVM: s390: selftests: Split memop tests
  KVM: s390x: fix SCK locking
  RISC-V: KVM: Implement SBI HSM suspend call
  RISC-V: KVM: Add common kvm_riscv_vcpu_wfi() function
  RISC-V: Add SBI HSM suspend related defines
  RISC-V: KVM: Implement SBI v0.3 SRST extension
  ...
2022-03-24 11:58:57 -07:00
Linus Torvalds
3ce62cf4dc flexible-array transformations for 5.18-rc1
Hi Linus,
 
 Please, pull the following treewide patch that replaces zero-length arrays with
 flexible-array members. This patch has been baking in linux-next for a
 whole development cycle.
 
 Thanks
 --
 Gustavo
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEkmRahXBSurMIg1YvRwW0y0cG2zEFAmI6GIUACgkQRwW0y0cG
 2zFLWw/+OB1gZeQD3boKpUMntWnn6wjhUxdrO8CYkpzG+B+8TFECXNjy8HV1CSiw
 GKKRndYELOyYaD5o/F2vtPe10iPHbrdIlMFRPBRoht0/cvSZgzHlfT8EjWQwerYY
 dieztUFKjeSj0MXivdNDnKOTm8o9cz8KmCrWFP+My37Fasn/9+nBX8iNVIvAX4xy
 T+IVmjtDifQUsTs298UGnBvDeuZOiGHhXXU5rq6lIX0Rl554OsWZW94d6jUPj/h7
 t1v6jdojNuyaMKn45/xnPj9VvmDiSu3K67m3fjRdzLPDOhISjr2fw4KEUOKdsebh
 yJ9t5u8IufyPbm9kyI+rZt+T8ZlV2/qt2+mt6QgtDMnWrs+4nU15JY0SHImMSBZQ
 rBEZcQlrIcGJ+CsNB8Y7jIGYO0SSkhodAvfl0LRA0AbTqLGqq0OkAQS5D52r3H2r
 uz6xdYb7kG43XaRyaAIPqhZsp/jk2NrXvEvin2tSaXZFR1cxp+oxcV2UajmnOU6i
 EIBS4PzJnYx2RZRa+h8YbBa/+D4N6+fj/tjmwBawiUBPjjaLAsGFNwUHqvBoD05S
 bk6oXi654NBwVjsknZ0grVz0TtSvdZ3uJL5FZApTOHITqH8vlxlNefmHri4vZRZO
 NN7NIQ0yaUCnorzMg+vP8ZtflhQwrMJbjwIS9YD0RHd7MBhYX8k=
 =xZD2
 -----END PGP SIGNATURE-----

Merge tag 'flexible-array-transformations-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull flexible-array transformations from Gustavo Silva:
 "Treewide patch that replaces zero-length arrays with flexible-array
  members.

  This has been baking in linux-next for a whole development cycle"

* tag 'flexible-array-transformations-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  treewide: Replace zero-length arrays with flexible-array members
2022-03-24 11:39:32 -07:00
Bjorn Helgaas
c724c866bb linux/types.h: remove unnecessary __bitwise__
There are no users of "__bitwise__" except the definition of
"__bitwise".  Remove __bitwise__ and define __bitwise directly.

This is a follow-up to 05de97003c ("linux/types.h: enable endian
checks for all sparse builds").

[akpm@linux-foundation.org: change the tools/include/linux/types.h definition also]

Link: https://lkml.kernel.org/r/20220310220927.245704-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-23 19:00:33 -07:00
Linus Torvalds
194dfe88d6 asm-generic updates for 5.18
There are three sets of updates for 5.18 in the asm-generic tree:
 
  - The set_fs()/get_fs() infrastructure gets removed for good. This
    was already gone from all major architectures, but now we can
    finally remove it everywhere, which loses some particularly
    tricky and error-prone code.
    There is a small merge conflict against a parisc cleanup, the
    solution is to use their new version.
 
  - The nds32 architecture ends its tenure in the Linux kernel. The
    hardware is still used and the code is in reasonable shape, but
    the mainline port is not actively maintained any more, as all
    remaining users are thought to run vendor kernels that would never
    be updated to a future release.
    There are some obvious conflicts against changes to the removed
    files.
 
  - A series from Masahiro Yamada cleans up some of the uapi header
    files to pass the compile-time checks.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmI69BsACgkQmmx57+YA
 GNn/zA//f4d5VTT0ThhRxRWTu9BdThGHoB8TUcY7iOhbsWu0X/913NItRC3UeWNl
 IdmisaXgVtirg1dcC2pWUmrcHdoWOCEGfK4+Zr2NhSWfuZDWvODHK9pGWk4WLnhe
 cQgUNBvIuuAMryGtrOBwHPO4TpfCyy2ioeVP36ZfcsWXdDxTrqfaq/56mk3sxIP6
 sUTk1UEjut9NG4C9xIIvcSU50R3l6LryQE/H9kyTLtaSvfvTOvprcVYCq0GPmSzo
 DtQ1Wwa9zbJ+4EqoMiP5RrgQwWvOTg2iRByLU8ytwlX3e/SEF0uihvMv1FQbL8zG
 G8RhGUOKQSEhaBfc3lIkm8GpOVPh0uHzB6zhn7daVmAWtazRD2Nu59BMjipa+ims
 a8Z58iHH7jRAnKeEkVZqXKb1CEiUxaQx/IeVPzN4QlwMhDtwrI76LY7ZJ1zCqTGY
 ENG0yRLav1XselYBslOYXGtOEWcY5EZPWqLyWbp4P9vz2g0Fe0gZxoIOvPmNQc89
 QnfXpCt7vm/DGkyO255myu08GOLeMkisVqUIzLDB9avlym5mri7T7vk9abBa2YyO
 CRpTL5gl1/qKPWuH1UI5mvhT+sbbBE2SUHSuy84btns39ZKKKynwCtdu+hSQkKLE
 h9pV30Gf1cLTD4JAE0RWlUgOmbBLVp34loTOexQj4MrLM1noOnw=
 =vtCN
 -----END PGP SIGNATURE-----

Merge tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic updates from Arnd Bergmann:
 "There are three sets of updates for 5.18 in the asm-generic tree:

   - The set_fs()/get_fs() infrastructure gets removed for good.

     This was already gone from all major architectures, but now we can
     finally remove it everywhere, which loses some particularly tricky
     and error-prone code. There is a small merge conflict against a
     parisc cleanup, the solution is to use their new version.

   - The nds32 architecture ends its tenure in the Linux kernel.

     The hardware is still used and the code is in reasonable shape, but
     the mainline port is not actively maintained any more, as all
     remaining users are thought to run vendor kernels that would never
     be updated to a future release.

   - A series from Masahiro Yamada cleans up some of the uapi header
     files to pass the compile-time checks"

* tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (27 commits)
  nds32: Remove the architecture
  uaccess: remove CONFIG_SET_FS
  ia64: remove CONFIG_SET_FS support
  sh: remove CONFIG_SET_FS support
  sparc64: remove CONFIG_SET_FS support
  lib/test_lockup: fix kernel pointer check for separate address spaces
  uaccess: generalize access_ok()
  uaccess: fix type mismatch warnings from access_ok()
  arm64: simplify access_ok()
  m68k: fix access_ok for coldfire
  MIPS: use simpler access_ok()
  MIPS: Handle address errors for accesses above CPU max virtual user address
  uaccess: add generic __{get,put}_kernel_nofault
  nios2: drop access_ok() check from __put_user()
  x86: use more conventional access_ok() definition
  x86: remove __range_not_ok()
  sparc64: add __{get,put}_kernel_nofault()
  nds32: fix access_ok() checks in get/put_user
  uaccess: fix nios2 and microblaze get_user_8()
  sparc64: fix building assembly files
  ...
2022-03-23 18:03:08 -07:00
Linus Torvalds
40037e4f8b sound updates for 5.18
It's been a fairly calm development cycle.  There are a few
 last-minute ALSA core fixes, most notably for covering PCM ioctl
 races, but the most of rest are device-specific changes.
 
 Below are some highlights:
 
 * ALSA core:
 - Fixes for PCM ioctl races that may lead to UAF
 - Fix for oversized allocations in PCM OSS layer
 
 * ASoC:
 - Start of moving SoF to support multiple IPC mechanisms
 - Use of NHLT ACPI table to reduce the amount of quirking required for
   Intel systems
 - Preliminary works forthcoming Intel AVS driver for legacy Intel DSP
   firmwares
 - Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
   TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
   MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280, Renesas
   RZ/V2L, Texas Instruments TAS585M
 
 * HD-audio:
 - Driver re-binding fix for HD-audio
 - Updates for Intel ADL and Tegra234, various platform quirks for
   Dell, HP, Lenovo, ASUS, Samsung and Clevo machines
 
 * USB-audio:
 - Quirk updates for Scarlett2, RODE, Corsair devices
 -----BEGIN PGP SIGNATURE-----
 
 iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmI7AkUOHHRpd2FpQHN1
 c2UuZGUACgkQLtJE4w1nLE/faBAAvPFODmyJlt16UG7bSlqwoSafWho+Bp4GSH4O
 +pEm47+kULgkKOm9k2NK7sci6nOsNIabQsVhMeryCLgDlNlFqR4FQjIswbgtRWsO
 lmu3TMw26I0vS2joNE+tpqCOyJuEGI/ekQru3aKAZx6JyBlXmrzuf7L4BNomVORr
 fgBgpMg/tRcE9ceWjc1qHMggueAfkcjnI4ioFYxaWYXp4wyVX1mx3mVHEf6WQnff
 ZXsgQLhupUKLvyBr2D1vkN6JcRyTahkBprbLEtZhKszR8hl6tFlnyILkzsiZ/B+K
 oJAvtEoC6z2PW+suPSPPl2qnbyOJyX32m43iCXW8uSG1KG/K2JshZIJshMbVw3pV
 rLK3XYr2zoE3VzzNUL+QyGYhLpdDPSNF+E19z7jfWU/wKwCUu8qWuejhf9uAlQgx
 XtlrZuyCpnsNVyILqLM2Sgzvc1U8vJd68uYwhecchTmP0Aurld5NM2PiAagcvVpW
 RtEMbTJbIBYbou3UPhxDjEdQOeT+KZUYrClEjb61pJQ9sHAbC4l0LoRyS4NEWCZH
 J7Z5DNPqPf6CFU1AVpfktL4Dh+VtM7nb4DVyyyLWWZgG3NcXSVLLbUA8Uo9qoDV5
 7tHnV+1MURBwEq1CUvZtb3sRC5tyNVkzXMMAJfcVWlv7JkoXs8pzwK9w685aP2zl
 YDOfau8=
 =5cCU
 -----END PGP SIGNATURE-----

Merge tag 'sound-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "It's been a fairly calm development cycle. There are a few last-minute
  ALSA core fixes, most notably for covering PCM ioctl races, but the
  most of rest are device-specific changes.

  Below are some highlights:

  ALSA core:

   - Fixes for PCM ioctl races that may lead to UAF

   - Fix for oversized allocations in PCM OSS layer

  ASoC:

   - Start of moving SoF to support multiple IPC mechanisms

   - Use of NHLT ACPI table to reduce the amount of quirking required
     for Intel systems

   - Preliminary works forthcoming Intel AVS driver for legacy Intel DSP
     firmwares

   - Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
     TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
     MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280,
     Renesas RZ/V2L, Texas Instruments TAS585M

  HD-audio:

   - Driver re-binding fix for HD-audio

   - Updates for Intel ADL and Tegra234, various platform quirks for
     Dell, HP, Lenovo, ASUS, Samsung and Clevo machines

  USB-audio:

   - Quirk updates for Scarlett2, RODE, Corsair devices"

* tag 'sound-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (486 commits)
  ALSA: hda/realtek: Add alc256-samsung-headphone fixup
  ALSA: pci: fix reading of swapped values from pcmreg in AC97 codec
  ALSA: pcm: Add stream lock during PCM reset ioctl operations
  ALSA: pcm: Fix races among concurrent prealloc proc writes
  ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls
  ALSA: pcm: Fix races among concurrent read/write and buffer changes
  ALSA: pcm: Fix races among concurrent hw_params and hw_free calls
  ASoC: atmel: mchp-pdmc: print the correct property name
  MAINTAINERS: Add Shengjiu to maintainer list of sound/soc/fsl
  ASoC: SOF: Add a new dai_get_clk topology IPC op
  ASoC: SOF: topology: Add ops for setting up and tearing down pipelines
  ASoC: SOF: expose sof_route_setup()
  ASoC: SOF: Add dai_link_fixup PCM op for IPC3
  ASoC: SOF: Add trigger PCM op for IPC3
  ASoC: SOF: Define hw_params PCM op for IPC3
  ASoC: SOF: Introduce IPC3 PCM hw_free op
  ASoC: SOF: pcm: expose the sof_pcm_setup_connected_widgets() function
  ASoC: SOF: Introduce IPC-specific PCM ops
  ASoC: SOF: Add bytes_ext control IPC ops for IPC3
  ASoC: SOF: Add bytes_get/put control IPC ops for IPC3
  ...
2022-03-23 15:11:12 -07:00
Linus Torvalds
d51b1b33c5 linux-kselftest-kunit-5.18-rc1
This KUnit update for Linux 5.18-rc1 consists of:
 
 - changes to decrease macro layering string, integer, EQ/NE asserts
 - remove unused macros
 - several cleanups and fixes
 - new list tests for list_del_init_careful(), list_is_head() and
   list_entry_is_head()
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmI5KcsACgkQCwJExA0N
 Qxy37BAA4NKkZHOpIk3P+aHbqE/S+Utg+gHsFOS7srp8wTeM1nSVMCP7MYefBiRs
 4+R6RViCAvd5skK5/4UkYp53KePOww4Qo5zZKfN5J+479juMk+8CJtk3QwgY0IAu
 jaI3nZlvo+WW+2OdIXdYNNScLR5mKHVSxpoLs1KtJZXm62RQgycoGCrIEtiAKYTk
 w2mMUxG4X0upIF08xTfb5UDQyyMjqWMZJZ0l65xsJr4bgU+It0HoYCmPzqufpGza
 ZgTWac8Iai1sEzxPXaTMLCM6V3QlbESIaIB6J13BWS+OvKs7cbcIADnG79Nvh7eH
 v8v9fXTojlS6vSNJUqxA8S0f2kGJ2mVmePg11ZeOh2oqaF6l1bs7iFJQPc3PidRl
 /dobIMBGlEI2yi9vaRz6/roDp44K56OlbthtSlaEc1NLyI/+nGuG7hzXuXkmoNiX
 LloMfTmcCtrWGUnZH80K18l03T1swEiKzLuYMlzNvVz7jiIoZhXw4YG8H2FHJrpf
 9LOJFEJgVcCp5JmDTk19HwN1OogH8TcbaJkQE0EthxExb2LW5BfO9cXzQ/n+uapl
 QoN+5ig1x2ozyplVOhz/6VbmKxf7EDEOiYr1F1Kbc5qdSm1kdRQQTrMaWJkQ+KzT
 bo+yWr/2zkAqrCns5lbUERfhBSx9jZqcnmUPcdcXLd7qse0cnKc=
 =e1/u
 -----END PGP SIGNATURE-----

Merge tag 'linux-kselftest-kunit-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull KUnit updates from Shuah Khan:

 - changes to decrease macro layering string, integer, EQ/NE asserts

 - remove unused macros

 - several cleanups and fixes

 - new list tests for list_del_init_careful(), list_is_head() and
   list_entry_is_head()

* tag 'linux-kselftest-kunit-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  list: test: Add a test for list_entry_is_head()
  list: test: Add a test for list_is_head()
  list: test: Add test for list_del_init_careful()
  kunit: cleanup assertion macro internal variables
  kunit: factor out str constants from binary assertion structs
  kunit: consolidate KUNIT_INIT_BINARY_ASSERT_STRUCT macros
  kunit: remove va_format from kunit_assert
  kunit: tool: drop mostly unused KunitResult.result field
  kunit: decrease macro layering for EQ/NE asserts
  kunit: decrease macro layering for integer asserts
  kunit: reduce layering in string assertion macros
  kunit: drop unused intermediate macros for ptr inequality checks
  kunit: make KUNIT_EXPECT_EQ() use KUNIT_EXPECT_EQ_MSG(), etc.
  kunit: drop unused assert_type from kunit_assert and clean up macros
  kunit: split out part of kunit_assert into a static const
  kunit: factor out kunit_base_assert_format() call into kunit_fail()
  kunit: drop unused kunit* field in kunit_assert
  kunit: move check if assertion passed into the macros
  kunit: add example test case showing off all the expect macros
2022-03-23 12:56:39 -07:00
Linus Torvalds
23d1dea555 linux-kselftest-next-5.18-rc1
This Kselftest test for Linux 5.18-rc1 consists of several build and
 cleanup fixes.
 
 - removing obsolete config options
 - removing dependency on internal kernel macros
 - adding config options
 - several build fixes related to headers and install paths
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmI5I5sACgkQCwJExA0N
 Qxx/Yg/8DkJOZINaZJ+fMjz0jvRc3dGAUxCczliO1ZcuzilBWbAf/D+5cHkroctW
 w661Sf05b00uyXiUmUVyk/YqfCSVwWWydQjYdhpmV/VumjOVAr4vgu2lo4GUfMJe
 U+GrleFFCsBcXFU2JLiwl0s31B24P3VlQckSn11NJ/SSWFFkomaDO6bNZI4vZA+R
 Ue4zXuXhVr1sJQWi5pJTAMz9Ylj8iJ6PYlS25kEIgxqUh1DN8qKp6CIGMSaBOMw7
 U0VJV0p22NO2JHmRLJbIENjlvrQJBQChG6g7keuqWH85fLD1x8+qvaiOg15ge69s
 q2bgUA4SJ5qZsZaCVmSCi7+/JVy9KIhRUJAL0lXzXnrJtuf8fPkofPYwDlSquHxT
 3QvUTcEoTakma0W4eZxGD9sB3vRhh1IyHM6fth8pCKRRcygH7SKDqlLMmaxhYZJu
 ODJRZ/fa/mAbr24bvo+PL2c85D29XXzshj+lmv+2jxGnnhAWaoq3QFrclu1NXq4p
 gKgzvr/rBY0LGz+BqLbxKKiinu89ZpvEucxfXBuCaR7fhQ6bd+cR0xR5c9jaYaq+
 JNhrS+Z1frcZx5qcy/4VvknfcRDzl7089jetHllxstogip0eCKuH5aKmClSV4GK2
 fPadnmkMSGft6frCE+e5vRvuPBCL7vdOQPXg+VMf7PUY74ih4X0=
 =Q6bT
 -----END PGP SIGNATURE-----

Merge tag 'linux-kselftest-next-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest updates from Shuah Khan:
 "Several build and cleanup fixes:

   - removing obsolete config options

   - removing dependency on internal kernel macros

   - adding config options

   - several build fixes related to headers and install paths"

* tag 'linux-kselftest-next-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (22 commits)
  selftests: Fix build when $(O) points to a relative path
  selftests: netfilter: fix a build error on openSUSE
  selftests: kvm: add generated file to the .gitignore
  selftests/exec: add generated files to .gitignore
  selftests: add kselftest_install to .gitignore
  selftests/rtc: continuously read RTC in a loop for 30s
  selftests/lkdtm: Add UBSAN config
  selftests/lkdtm: Remove dead config option
  selftests/exec: Rename file binfmt_script to binfmt_script.py
  selftests: Use -isystem instead of -I to include headers
  selftests: vm: remove dependecy from internal kernel macros
  selftests: vm: Add the uapi headers include variable
  selftests: mptcp: Add the uapi headers include variable
  selftests: net: Add the uapi headers include variable
  selftests: landlock: Add the uapi headers include variable
  selftests: kvm: Add the uapi headers include variable
  selftests: futex: Add the uapi headers include variable
  selftests: Correct the headers install path
  selftests: Add and export a kernel uapi headers path
  selftests: set the BUILD variable to absolute path
  ...
2022-03-23 12:53:00 -07:00
Linus Torvalds
1bc191051d Tracing updates for 5.18:
- New user_events interface. User space can register an event with the kernel
   describing the format of the event. Then it will receive a byte in a page
   mapping that it can check against. A privileged task can then enable that
   event like any other event, which will change the mapped byte to true,
   telling the user space application to start writing the event to the
   tracing buffer.
 
 - Add new "ftrace_boot_snapshot" kernel command line parameter. When set,
   the tracing buffer will be saved in the snapshot buffer at boot up when
   the kernel hands things over to user space. This will keep the traces that
   happened at boot up available even if user space boot up has tracing as
   well.
 
 - Have TRACE_EVENT_ENUM() also update trace event field type descriptions.
   Thus if a static array defines its size with an enum, the user space trace
   event parsers can still know how to parse that array.
 
 - Add new TRACE_CUSTOM_EVENT() macro. This acts the same as the
   TRACE_EVENT() macro, but will attach to an existing tracepoint. This will
   make one tracepoint be able to trace different content and not be stuck at
   only what the original TRACE_EVENT() macro exports.
 
 - Fixes to tracing error logging.
 
 - Better saving of cmdlines to PIDs when tracing (use the wakeup events for
   mapping).
 -----BEGIN PGP SIGNATURE-----
 
 iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCYjiO3RQccm9zdGVkdEBn
 b29kbWlzLm9yZwAKCRAp5XQQmuv6qhQzAQDtek5p80p/zkMGymm14wSH6qq0NdgN
 Kv7fTBwEewUa0gD/UCOVLw4Oj+JtHQhCa3sCGZopmRv0BT1+4UQANqosKQY=
 =Au08
 -----END PGP SIGNATURE-----

Merge tag 'trace-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:

 - New user_events interface. User space can register an event with the
   kernel describing the format of the event. Then it will receive a
   byte in a page mapping that it can check against. A privileged task
   can then enable that event like any other event, which will change
   the mapped byte to true, telling the user space application to start
   writing the event to the tracing buffer.

 - Add new "ftrace_boot_snapshot" kernel command line parameter. When
   set, the tracing buffer will be saved in the snapshot buffer at boot
   up when the kernel hands things over to user space. This will keep
   the traces that happened at boot up available even if user space boot
   up has tracing as well.

 - Have TRACE_EVENT_ENUM() also update trace event field type
   descriptions. Thus if a static array defines its size with an enum,
   the user space trace event parsers can still know how to parse that
   array.

 - Add new TRACE_CUSTOM_EVENT() macro. This acts the same as the
   TRACE_EVENT() macro, but will attach to an existing tracepoint. This
   will make one tracepoint be able to trace different content and not
   be stuck at only what the original TRACE_EVENT() macro exports.

 - Fixes to tracing error logging.

 - Better saving of cmdlines to PIDs when tracing (use the wakeup events
   for mapping).

* tag 'trace-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (30 commits)
  tracing: Have type enum modifications copy the strings
  user_events: Add trace event call as root for low permission cases
  tracing/user_events: Use alloc_pages instead of kzalloc() for register pages
  tracing: Add snapshot at end of kernel boot up
  tracing: Have TRACE_DEFINE_ENUM affect trace event types as well
  tracing: Fix strncpy warning in trace_events_synth.c
  user_events: Prevent dyn_event delete racing with ioctl add/delete
  tracing: Add TRACE_CUSTOM_EVENT() macro
  tracing: Move the defines to create TRACE_EVENTS into their own files
  tracing: Add sample code for custom trace events
  tracing: Allow custom events to be added to the tracefs directory
  tracing: Fix last_cmd_set() string management in histogram code
  user_events: Fix potential uninitialized pointer while parsing field
  tracing: Fix allocation of last_cmd in last_cmd_set()
  user_events: Add documentation file
  user_events: Add sample code for typical usage
  user_events: Add self-test for validator boundaries
  user_events: Add self-test for perf_event integration
  user_events: Add self-test for dynamic_events integration
  user_events: Add self-test for ftrace integration
  ...
2022-03-23 11:40:25 -07:00
Linus Torvalds
20f463fb38 Real Time Analysis Tool updates for 5.18
Changes to RTLA:
 
  - Support for adjusting tracing_threashold
 
  - Add -a (auto) option to make it easier for users to debug in the field
 
  - Add -e option to add more events to the trace
 
  - Add --trigger option to add triggers to events
 
  - Add --filter option to filter events
 
  - Add support to save histograms to the file
 
  - Add --dma-latency to set /dev/cpu_dma_latency
 
  - Other fixes and cleanups
 -----BEGIN PGP SIGNATURE-----
 
 iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCYjiKhRQccm9zdGVkdEBn
 b29kbWlzLm9yZwAKCRAp5XQQmuv6qpLmAP4u7cIl3pt5zJIik5QYGpvrS+qp2NCI
 4ouVQPYvcUGjYwEAqp+5Wix6hVgLAFn5mcd9kXgS6i4JRzAhDaG2LZl7kwI=
 =2bkl
 -----END PGP SIGNATURE-----

Merge tag 'trace-rtla-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull RTLA tracing tool updates from Steven Rostedt:
 "Real Time Analysis Tool updatesfor 5.18:

   - Support for adjusting tracing_threashold

   - Add -a (auto) option to make it easier for users to debug in the field

   - Add -e option to add more events to the trace

   - Add --trigger option to add triggers to events

   - Add --filter option to filter events

   - Add support to save histograms to the file

   - Add --dma-latency to set /dev/cpu_dma_latency

   - Other fixes and cleanups"

* tag 'trace-rtla-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  rtla: Tools main loop cleanup
  rtla/timerlat: Add --dma-latency option
  rtla/osnoise: Fix osnoise hist stop tracing message
  rtla: Check for trace off also in the trace instance
  rtla/trace: Save event histogram output to a file
  rtla: Add --filter support
  rtla/trace: Add trace event filter helpers
  rtla: Add --trigger support
  rtla/trace: Add trace event trigger helpers
  rtla: Add -e/--event support
  rtla/trace: Add trace events helpers
  rtla/timerlat: Add the automatic trace option
  rtla/osnoise: Add the automatic trace option
  rtla/osnoise: Add an option to set the threshold
  rtla/osnoise: Add support to adjust the tracing_thresh
2022-03-23 11:08:10 -07:00
Jakub Kicinski
89695196f0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in overtime fixes, no conflicts.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-23 10:53:49 -07:00
Linus Torvalds
9030fb0bb9 Folio changes for 5.18
- Rewrite how munlock works to massively reduce the contention
    on i_mmap_rwsem (Hugh Dickins):
    https://lore.kernel.org/linux-mm/8e4356d-9622-a7f0-b2c-f116b5f2efea@google.com/
  - Sort out the page refcount mess for ZONE_DEVICE pages (Christoph Hellwig):
    https://lore.kernel.org/linux-mm/20220210072828.2930359-1-hch@lst.de/
  - Convert GUP to use folios and make pincount available for order-1
    pages. (Matthew Wilcox)
  - Convert a few more truncation functions to use folios (Matthew Wilcox)
  - Convert page_vma_mapped_walk to use PFNs instead of pages (Matthew Wilcox)
  - Convert rmap_walk to use folios (Matthew Wilcox)
  - Convert most of shrink_page_list() to use a folio (Matthew Wilcox)
  - Add support for creating large folios in readahead (Matthew Wilcox)
 -----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCgAdFiEEejHryeLBw/spnjHrDpNsjXcpgj4FAmI4ucgACgkQDpNsjXcp
 gj69Wgf6AwqwmO5Tmy+fLScDPqWxmXJofbocae1kyoGHf7Ui91OK4U2j6IpvAr+g
 P/vLIK+JAAcTQcrSCjymuEkf4HkGZOR03QQn7maPIEe4eLrZRQDEsmHC1L9gpeJp
 s/GMvDWiGE0Tnxu0EOzfVi/yT+qjIl/S8VvqtCoJv1HdzxitZ7+1RDuqImaMC5MM
 Qi3uHag78vLmCltLXpIOdpgZhdZexCdL2Y/1npf+b6FVkAJRRNUnA0gRbS7YpoVp
 CbxEJcmAl9cpJLuj5i5kIfS9trr+/QcvbUlzRxh4ggC58iqnmF2V09l2MJ7YU3XL
 v1O/Elq4lRhXninZFQEm9zjrri7LDQ==
 =n9Ad
 -----END PGP SIGNATURE-----

Merge tag 'folio-5.18c' of git://git.infradead.org/users/willy/pagecache

Pull folio updates from Matthew Wilcox:

 - Rewrite how munlock works to massively reduce the contention on
   i_mmap_rwsem (Hugh Dickins):

     https://lore.kernel.org/linux-mm/8e4356d-9622-a7f0-b2c-f116b5f2efea@google.com/

 - Sort out the page refcount mess for ZONE_DEVICE pages (Christoph
   Hellwig):

     https://lore.kernel.org/linux-mm/20220210072828.2930359-1-hch@lst.de/

 - Convert GUP to use folios and make pincount available for order-1
   pages. (Matthew Wilcox)

 - Convert a few more truncation functions to use folios (Matthew
   Wilcox)

 - Convert page_vma_mapped_walk to use PFNs instead of pages (Matthew
   Wilcox)

 - Convert rmap_walk to use folios (Matthew Wilcox)

 - Convert most of shrink_page_list() to use a folio (Matthew Wilcox)

 - Add support for creating large folios in readahead (Matthew Wilcox)

* tag 'folio-5.18c' of git://git.infradead.org/users/willy/pagecache: (114 commits)
  mm/damon: minor cleanup for damon_pa_young
  selftests/vm/transhuge-stress: Support file-backed PMD folios
  mm/filemap: Support VM_HUGEPAGE for file mappings
  mm/readahead: Switch to page_cache_ra_order
  mm/readahead: Align file mappings for non-DAX
  mm/readahead: Add large folio readahead
  mm: Support arbitrary THP sizes
  mm: Make large folios depend on THP
  mm: Fix READ_ONLY_THP warning
  mm/filemap: Allow large folios to be added to the page cache
  mm: Turn can_split_huge_page() into can_split_folio()
  mm/vmscan: Convert pageout() to take a folio
  mm/vmscan: Turn page_check_references() into folio_check_references()
  mm/vmscan: Account large folios correctly
  mm/vmscan: Optimise shrink_page_list for non-PMD-sized folios
  mm/vmscan: Free non-shmem folios without splitting them
  mm/rmap: Constify the rmap_walk_control argument
  mm/rmap: Convert rmap_walk() to take a folio
  mm: Turn page_anon_vma() into folio_anon_vma()
  mm/rmap: Turn page_lock_anon_vma_read() into folio_lock_anon_vma_read()
  ...
2022-03-22 17:03:12 -07:00
Linus Torvalds
3bf03b9a08 Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton:

 - A few misc subsystems: kthread, scripts, ntfs, ocfs2, block, and vfs

 - Most the MM patches which precede the patches in Willy's tree: kasan,
   pagecache, gup, swap, shmem, memcg, selftests, pagemap, mremap,
   sparsemem, vmalloc, pagealloc, memory-failure, mlock, hugetlb,
   userfaultfd, vmscan, compaction, mempolicy, oom-kill, migration, thp,
   cma, autonuma, psi, ksm, page-poison, madvise, memory-hotplug, rmap,
   zswap, uaccess, ioremap, highmem, cleanups, kfence, hmm, and damon.

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (227 commits)
  mm/damon/sysfs: remove repeat container_of() in damon_sysfs_kdamond_release()
  Docs/ABI/testing: add DAMON sysfs interface ABI document
  Docs/admin-guide/mm/damon/usage: document DAMON sysfs interface
  selftests/damon: add a test for DAMON sysfs interface
  mm/damon/sysfs: support DAMOS stats
  mm/damon/sysfs: support DAMOS watermarks
  mm/damon/sysfs: support schemes prioritization
  mm/damon/sysfs: support DAMOS quotas
  mm/damon/sysfs: support DAMON-based Operation Schemes
  mm/damon/sysfs: support the physical address space monitoring
  mm/damon/sysfs: link DAMON for virtual address spaces monitoring
  mm/damon: implement a minimal stub for sysfs-based DAMON interface
  mm/damon/core: add number of each enum type values
  mm/damon/core: allow non-exclusive DAMON start/stop
  Docs/damon: update outdated term 'regions update interval'
  Docs/vm/damon/design: update DAMON-Idle Page Tracking interference handling
  Docs/vm/damon: call low level monitoring primitives the operations
  mm/damon: remove unnecessary CONFIG_DAMON option
  mm/damon/paddr,vaddr: remove damon_{p,v}a_{target_valid,set_operations}()
  mm/damon/dbgfs-test: fix is_target_id() change
  ...
2022-03-22 16:11:53 -07:00
SeongJae Park
40184e484d selftests/damon: add a test for DAMON sysfs interface
This commit adds a selftest for DAMON sysfs interface.  It tests the
functionality of 'nr' files and existence of files in each directory of
the hierarchy.

Link: https://lkml.kernel.org/r/20220228081314.5770-12-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: Xin Hao <xhao@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-22 15:57:13 -07:00
Guo Zhengkui
d794103d52 userfaultfd/selftests: fix uninitialized_var.cocci warning
Fix following coccicheck warning:
tools/testing/selftests/vm/userfaultfd.c:556:23-24:
WARNING this kind of initialization is deprecated

`unsigned long page_nr = *(&page_nr)` has the same form of
uninitialized_var() macro. I remove the redundant assignement. It has
been tested with gcc (Debian 8.3.0-6) 8.3.0.

The patch which removed uninitialized_var() is:
https://lore.kernel.org/all/20121028102007.GA7547@gmail.com/ And there is
very few "/* GCC */" comments in the Linux kernel code now.

Link: https://lkml.kernel.org/r/20220304082333.9252-1-guozhengkui@vivo.com
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-22 15:57:08 -07:00
Muchun Song
b147c89cd4 selftests: vm: add a hugetlb test case
Since the head vmemmap page frame associated with each HugeTLB page is
reused, we should hide the PG_head flag of tail struct page from the
user.  Add a tese case to check whether it is work properly.  The test
steps are as follows.

  1) alloc 2MB hugeTLB
  2) get each page frame
  3) apply those APIs in each page frame
  4) Those APIs work completely the same as before.

Reading the flags of a page by /proc/kpageflags is done in
stable_page_flags(), which has invoked PageHead(), PageTail(),
PageCompound() and compound_head().

If those APIs work properly, the head page must have 15 and 17 bits set.
And tail pages must have 16 and 17 bits set but 15 bit unset.  Those
flags are checked in check_page_flags().

Link: https://lkml.kernel.org/r/20211101031651.75851-5-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Barry Song <song.bao.hua@hisilicon.com>
Cc: Bodeddula Balasubramaniam <bodeddub@amazon.com>
Cc: Chen Huang <chenhuang5@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Fam Zheng <fam.zheng@bytedance.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Xiongchun Duan <duanxiongchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-22 15:57:08 -07:00
Guillaume Tucker
ef696f93ed selftests, x86: fix how check_cc.sh is being invoked
The $(CC) variable used in Makefiles could contain several arguments
such as "ccache gcc".  These need to be passed as a single string to
check_cc.sh, otherwise only the first argument will be used as the
compiler command.  Without quotes, the $(CC) variable is passed as
distinct arguments which causes the script to fail to build trivial
programs.

Fix this by adding quotes around $(CC) when calling check_cc.sh to pass
the whole string as a single argument to the script even if it has
several words such as "ccache gcc".

Link: https://lkml.kernel.org/r/d0d460d7be0107a69e3c52477761a6fe694c1840.1646991629.git.guillaume.tucker@collabora.com
Fixes: e9886ace22 ("selftests, x86: Rework x86 target architecture detection")
Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com>
Tested-by: "kernelci.org bot" <bot@kernelci.org>
Reviewed-by: Guenter Roeck <groeck@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-22 15:57:04 -07:00
Shakeel Butt
6323ec54b4 selftests: memcg: test high limit for single entry allocation
Test the enforcement of memory.high limit for large amount of memory
allocation within a single kernel entry.  There are valid use-cases
where the application can trigger large amount of memory allocation
within a single syscall e.g.  mlock() or mmap(MAP_POPULATE).

Make sure memory.high limit enforcement works for such use-cases.

Link: https://lkml.kernel.org/r/20220211064917.2028469-4-shakeelb@google.com
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Chris Down <chris@chrisdown.name>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-22 15:57:02 -07:00
Vincent Chen
6d1a6f464e
rseq/selftests: Add support for RISC-V
Add support for RISC-V in the rseq selftests, which covers both
64-bit and 32-bit ISA with little endian mode.

Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Tested-by: Eric Lin <eric.lin@sifive.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-03-22 14:45:19 -07:00
Linus Torvalds
3fe2f7446f Changes in this cycle were:
- Cleanups for SCHED_DEADLINE
  - Tracing updates/fixes
  - CPU Accounting fixes
  - First wave of changes to optimize the overhead of the scheduler build,
    from the fast-headers tree - including placeholder *_api.h headers for
    later header split-ups.
  - Preempt-dynamic using static_branch() for ARM64
  - Isolation housekeeping mask rework; preperatory for further changes
  - NUMA-balancing: deal with CPU-less nodes
  - NUMA-balancing: tune systems that have multiple LLC cache domains per node (eg. AMD)
  - Updates to RSEQ UAPI in preparation for glibc usage
  - Lots of RSEQ/selftests, for same
  - Add Suren as PSI co-maintainer
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmI5rg8RHG1pbmdvQGtl
 cm5lbC5vcmcACgkQEnMQ0APhK1hGrw/+M3QOk6fH7G48wjlNnBvcOife6ls+Ni4k
 ixOAcF4JKoixO8HieU5vv0A7yf/83tAa6fpeXeMf1hkCGc0NSlmLtuIux+WOmoAL
 LzCyDEYfiP8KnVh0A1Tui/lK0+AkGo21O6ADhQE2gh8o2LpslOHQMzvtyekSzeeb
 mVxMYQN+QH0m518xdO2D8IQv9ctOYK0eGjmkqdNfntOlytypPZHeNel/tCzwklP/
 dElJUjNiSKDlUgTBPtL3DfpoLOI/0mHF2p6NEXvNyULxSOqJTu8pv9Z2ADb2kKo1
 0D56iXBDngMi9MHIJLgvzsA8gKzHLFSuPbpODDqkTZCa28vaMB9NYGhJ643NtEie
 IXTJEvF1rmNkcLcZlZxo0yjL0fjvPkczjw4Vj27gbrUQeEBfb4mfuI4BRmij63Ep
 qEkgQTJhduCqqrQP1rVyhwWZRk1JNcVug+F6N42qWW3fg1xhj0YSrLai2c9nPez6
 3Zt98H8YGS1Z/JQomSw48iGXVqfTp/ETI7uU7jqHK8QcjzQ4lFK5H4GZpwuqGBZi
 NJJ1l97XMEas+rPHiwMEN7Z1DVhzJLCp8omEj12QU+tGLofxxwAuuOVat3CQWLRk
 f80Oya3TLEgd22hGIKDRmHa22vdWnNQyS0S15wJotawBzQf+n3auS9Q3/rh979+t
 ES/qvlGxTIs=
 =Z8uT
 -----END PGP SIGNATURE-----

Merge tag 'sched-core-2022-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:

 - Cleanups for SCHED_DEADLINE

 - Tracing updates/fixes

 - CPU Accounting fixes

 - First wave of changes to optimize the overhead of the scheduler
   build, from the fast-headers tree - including placeholder *_api.h
   headers for later header split-ups.

 - Preempt-dynamic using static_branch() for ARM64

 - Isolation housekeeping mask rework; preperatory for further changes

 - NUMA-balancing: deal with CPU-less nodes

 - NUMA-balancing: tune systems that have multiple LLC cache domains per
   node (eg. AMD)

 - Updates to RSEQ UAPI in preparation for glibc usage

 - Lots of RSEQ/selftests, for same

 - Add Suren as PSI co-maintainer

* tag 'sched-core-2022-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (81 commits)
  sched/headers: ARM needs asm/paravirt_api_clock.h too
  sched/numa: Fix boot crash on arm64 systems
  headers/prep: Fix header to build standalone: <linux/psi.h>
  sched/headers: Only include <linux/entry-common.h> when CONFIG_GENERIC_ENTRY=y
  cgroup: Fix suspicious rcu_dereference_check() usage warning
  sched/preempt: Tell about PREEMPT_DYNAMIC on kernel headers
  sched/topology: Remove redundant variable and fix incorrect type in build_sched_domains
  sched/deadline,rt: Remove unused parameter from pick_next_[rt|dl]_entity()
  sched/deadline,rt: Remove unused functions for !CONFIG_SMP
  sched/deadline: Use __node_2_[pdl|dle]() and rb_first_cached() consistently
  sched/deadline: Merge dl_task_can_attach() and dl_cpu_busy()
  sched/deadline: Move bandwidth mgmt and reclaim functions into sched class source file
  sched/deadline: Remove unused def_dl_bandwidth
  sched/tracing: Report TASK_RTLOCK_WAIT tasks as TASK_UNINTERRUPTIBLE
  sched/tracing: Don't re-read p->state when emitting sched_switch event
  sched/rt: Plug rt_mutex_setprio() vs push_rt_task() race
  sched/cpuacct: Remove redundant RCU read lock
  sched/cpuacct: Optimize away RCU read lock
  sched/cpuacct: Fix charge percpu cpuusage
  sched/headers: Reorganize, clean up and optimize kernel/sched/sched.h dependencies
  ...
2022-03-22 14:39:12 -07:00
Linus Torvalds
95ab0e8768 Changes for this cycle were:
- Fix address filtering for Intel/PT,ARM/CoreSight
  - Enable Intel/PEBS format 5
  - Allow more fixed-function counters for x86
  - Intel/PT: Enable not recording Taken-Not-Taken packets
  - Add a few branch-types
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmI4WdIRHG1pbmdvQGtl
 cm5lbC5vcmcACgkQEnMQ0APhK1jdTA/7BADTYzFCbdwPzHt2mR8osv7k+pDvYxs9
 wxNjyi1X7N8cPkhqgIg9CfdhdyDOqo7+J4fG17f2qbwjNK7b2Fb1/U6ZoZaf+f8F
 W0e2LX5KZTXUhkA+TEjrXvYD9FmJaCPM/l2RQg8U7okBs2kb0H6QT2Yn21wd1roC
 WwI5KFiWSVS1IzpVLaXjDh+FJfJHd75ReMqJeus+QoVQ9NHeuI+t4DglSB1IBi54
 d/zeVXE/Y4dFTQOrU06S2HxcOEptvXZsPmVLvKab/veeGGyWiGPxQpvu6bXm6u3x
 0sV+dn67zut2m2pQlUZUucgGTSYIZTpOe+rNukTB9hJ4XeN4/1ohOOCrOuYM+63P
 lGFbN1v+LD7Wc6C2eEhw8G5GEL0qbwzFNQ06O3EOFi7C7GKn7WS/ET6XuuMOERFk
 uxEPb4pFtbBlJ0SriCprFJSd5NL3PORZlLIhv4hGH5hilLR1TFeKDuwZaM4noQxU
 dL3rKGLi9H+P46Eni9H28+0gDISbv1xL+WivHOFQNmhBqAZO52ZcF3J+dgBaR1B5
 pBxVTycFpZMjxSZnqTE0gMsFaLIpVGc+75Chns1rajR0mEtRtJUQUbYz4tK4zb0E
 dZR1p+VF6+DYmSRhiqeaTi9uz9oE8kMa8o/EcbFIg/9BgEnUwJXU20bjnar30xQ7
 9OIn7r9hjHI=
 =XPuo
 -----END PGP SIGNATURE-----

Merge tag 'perf-core-2022-03-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 perf event updates from Ingo Molnar:

 - Fix address filtering for Intel/PT,ARM/CoreSight

 - Enable Intel/PEBS format 5

 - Allow more fixed-function counters for x86

 - Intel/PT: Enable not recording Taken-Not-Taken packets

 - Add a few branch-types

* tag 'perf-core-2022-03-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/intel/uncore: Fix the build on !CONFIG_PHYS_ADDR_T_64BIT
  perf: Add irq and exception return branch types
  perf/x86/intel/uncore: Make uncore_discovery clean for 64 bit addresses
  perf/x86/intel/pt: Add a capability and config bit for disabling TNTs
  perf/x86/intel/pt: Add a capability and config bit for event tracing
  perf/x86/intel: Increase max number of the fixed counters
  KVM: x86: use the KVM side max supported fixed counter
  perf/x86/intel: Enable PEBS format 5
  perf/core: Allow kernel address filter when not filtering the kernel
  perf/x86/intel/pt: Fix address filter config for 32-bit kernel
  perf/core: Fix address filter parser for multiple filters
  x86: Share definition of __is_canonical_address()
  perf/x86/intel/pt: Relax address filter validation
2022-03-22 13:06:49 -07:00
Jakub Kicinski
0db8640df5 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:

====================
pull-request: bpf-next 2022-03-21 v2

We've added 137 non-merge commits during the last 17 day(s) which contain
a total of 143 files changed, 7123 insertions(+), 1092 deletions(-).

The main changes are:

1) Custom SEC() handling in libbpf, from Andrii.

2) subskeleton support, from Delyan.

3) Use btf_tag to recognize __percpu pointers in the verifier, from Hao.

4) Fix net.core.bpf_jit_harden race, from Hou.

5) Fix bpf_sk_lookup remote_port on big-endian, from Jakub.

6) Introduce fprobe (multi kprobe) _without_ arch bits, from Masami.
The arch specific bits will come later.

7) Introduce multi_kprobe bpf programs on top of fprobe, from Jiri.

8) Enable non-atomic allocations in local storage, from Joanne.

9) Various var_off ptr_to_btf_id fixed, from Kumar.

10) bpf_ima_file_hash helper, from Roberto.

11) Add "live packet" mode for XDP in BPF_PROG_RUN, from Toke.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (137 commits)
  selftests/bpf: Fix kprobe_multi test.
  Revert "rethook: x86: Add rethook x86 implementation"
  Revert "arm64: rethook: Add arm64 rethook implementation"
  Revert "powerpc: Add rethook support"
  Revert "ARM: rethook: Add rethook arm implementation"
  bpftool: Fix a bug in subskeleton code generation
  bpf: Fix bpf_prog_pack when PMU_SIZE is not defined
  bpf: Fix bpf_prog_pack for multi-node setup
  bpf: Fix warning for cast from restricted gfp_t in verifier
  bpf, arm: Fix various typos in comments
  libbpf: Close fd in bpf_object__reuse_map
  bpftool: Fix print error when show bpf map
  bpf: Fix kprobe_multi return probe backtrace
  Revert "bpf: Add support to inline bpf_get_func_ip helper on x86"
  bpf: Simplify check in btf_parse_hdr()
  selftests/bpf/test_lirc_mode2.sh: Exit with proper code
  bpf: Check for NULL return from bpf_get_btf_vmlinux
  selftests/bpf: Test skipping stacktrace
  bpf: Adjust BPF stack helper functions to accommodate skip > 0
  bpf: Select proper size for bpf_prog_pack
  ...
====================

Link: https://lore.kernel.org/r/20220322050159.5507-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-22 11:18:49 -07:00
Alexei Starovoitov
7f0059b58f selftests/bpf: Fix kprobe_multi test.
When compiler emits endbr insn the function address could
be different than what bpf_get_func_ip() reports.
This is a short term workaround.
bpf_get_func_ip() will be fixed later.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-03-22 11:09:13 -07:00
Ido Schimmel
f70f5f1a8f selftests: forwarding: Use same VRF for port and VLAN upper
The test creates a separate VRF for the VLAN upper, but does not destroy
it during cleanup, resulting in "RTNETLINK answers: File exists" errors.

Fix by using the same VRF for the port and its VLAN upper. This is OK
since their IP addresses do not overlap.

Before:

 # ./bridge_locked_port.sh
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

 # ./bridge_locked_port.sh
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 RTNETLINK answers: File exists
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

After:

 # ./bridge_locked_port.sh
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

 # ./bridge_locked_port.sh
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

Fixes: b2b681a412 ("selftests: forwarding: tests of locked port feature")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 11:09:24 +01:00
Ido Schimmel
917b149ac3 selftests: forwarding: Disable learning before link up
Disable learning before bringing the bridge port up in order to avoid
the FDB being populated and the test failing.

Before:

 # ./bridge_locked_port.sh
 RTNETLINK answers: File exists
 TEST: Locked port ipv4                                              [FAIL]
         Ping worked after locking port, but before adding FDB entry
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

After:

 # ./bridge_locked_port.sh
 TEST: Locked port ipv4                                              [ OK ]
 TEST: Locked port ipv6                                              [ OK ]
 TEST: Locked port vlan                                              [ OK ]

Fixes: b2b681a412 ("selftests: forwarding: tests of locked port feature")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-22 11:09:24 +01:00
Linus Torvalds
b7a801f395 execve updates for v5.18-rc1
- Handle unusual AT_PHDR offsets (Akira Kawata)
 - Fix initial mapping size when PT_LOADs are not ordered (Alexey Dobriyan)
 - Move more code under CONFIG_COREDUMP (Alexey Dobriyan)
 - Fix missing mmap_lock in file_files_note (Eric W. Biederman)
 - Remove a.out support for alpha and m68k (Eric W. Biederman)
 - Include first pages of non-exec ELF libraries in coredump (Jann Horn)
 - Don't write past end of notes for regset gap in coredump (Rick Edgecombe)
 - Comment clean-ups (Tom Rix)
 - Force single empty string when argv is empty (Kees Cook)
 - Add NULL argv selftest (Kees Cook)
 - Properly redefine PT_GNU_* in terms of PT_LOOS (Kees Cook)
 - MAINTAINERS: Update execve entry with tree (Kees Cook)
 - Introduce initial KUnit testing for binfmt_elf (Kees Cook)
 -----BEGIN PGP SIGNATURE-----
 
 iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmI4ji4WHGtlZXNjb29r
 QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJi7VD/9o+PndYkeGclL7sYfouhSzK21W
 go4SGCrTl0oK/mfz3qXVYeS4VFjNTCTEs8rSZdjHN8a9VAVSJ38z6FPwbSQobzEP
 zXPuvwxe4GM4jb8FsBTcTEl1Wfw6kUV9JHXqFje6MuiZMXa8YDD+UMl95CgmGi1L
 5sOw4quHXkG8nlC0v1PI9XSpmzK2nHmXBWVddnPXTUmEfitvoIJdf0iTJ4/4mYM/
 OwrCiufGHvGtQFUrYTxgiZ3nvFdAkZDt+P8GA8NJOBCMDTPvsk57uTok1sW6CRFT
 lSymgoc3SczBtHYO6nFl5U04XGsNY+iHYhjhNL10IoucdCvS2VS0vEb8ZXKg6wtQ
 /tbgf1Mcfu7eoClA0ZjQX/pQbkPYL/s++Lwkc7pzknbmdwq+1yZF1+4Y1XItR4jJ
 kUhVsewQuU0os7BnaREkFOcwqXfA4hixb9w79p+SjMX8/XrnSkLJ3cFswkGTUxdO
 DOwhVcmqsZdVXMMk0R3oOtm9ABSp/FqvT8At2kZI0W93jhZGHWzOrU+psnkTUcDt
 KpFEJzdoh4ImZvBK8F5f07dAlqeVEZvVDhBt+x1Wxcu90p7rmZJT8OV2mJCDVhZG
 E2PW7UuLOAbgRM+E+gxz7SkpIMtOSFlxT2xGuygcRbIxOOeVnj1x9NwGdI9xcgpF
 s021x7TcHbpvYakRsg==
 =SyEY
 -----END PGP SIGNATURE-----

Merge tag 'execve-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull execve updates from Kees Cook:
 "Execve and binfmt updates.

  Eric and I have stepped up to be the active maintainers of this area,
  so here's our first collection. The bulk of the work was in coredump
  handling fixes; additional details are noted below:

   - Handle unusual AT_PHDR offsets (Akira Kawata)

   - Fix initial mapping size when PT_LOADs are not ordered (Alexey
     Dobriyan)

   - Move more code under CONFIG_COREDUMP (Alexey Dobriyan)

   - Fix missing mmap_lock in file_files_note (Eric W. Biederman)

   - Remove a.out support for alpha and m68k (Eric W. Biederman)

   - Include first pages of non-exec ELF libraries in coredump (Jann
     Horn)

   - Don't write past end of notes for regset gap in coredump (Rick
     Edgecombe)

   - Comment clean-ups (Tom Rix)

   - Force single empty string when argv is empty (Kees Cook)

   - Add NULL argv selftest (Kees Cook)

   - Properly redefine PT_GNU_* in terms of PT_LOOS (Kees Cook)

   - MAINTAINERS: Update execve entry with tree (Kees Cook)

   - Introduce initial KUnit testing for binfmt_elf (Kees Cook)"

* tag 'execve-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  binfmt_elf: Don't write past end of notes for regset gap
  a.out: Stop building a.out/osf1 support on alpha and m68k
  coredump: Don't compile flat_core_dump when coredumps are disabled
  coredump: Use the vma snapshot in fill_files_note
  coredump/elf: Pass coredump_params into fill_note_info
  coredump: Remove the WARN_ON in dump_vma_snapshot
  coredump: Snapshot the vmas in do_coredump
  coredump: Move definition of struct coredump_params into coredump.h
  binfmt_elf: Introduce KUnit test
  ELF: Properly redefine PT_GNU_* in terms of PT_LOOS
  MAINTAINERS: Update execve entry with more details
  exec: cleanup comments
  fs/binfmt_elf: Refactor load_elf_binary function
  fs/binfmt_elf: Fix AT_PHDR for unusual ELF files
  binfmt: move more stuff undef CONFIG_COREDUMP
  selftests/exec: Test for empty string on NULL argv
  exec: Force single empty string when argv is empty
  coredump: Also dump first pages of non-executable ELF libraries
  ELF: fix overflow in total mapping size calculation
2022-03-21 19:16:02 -07:00
Guo Zhengkui
94f19e1ec3 selftests: net: change fprintf format specifiers
`cur64`, `start64` and `ts_delta` are int64_t. Change format
specifiers in fprintf from `"%lu"` to `"%" PRId64` to adapt
to 32-bit and 64-bit systems.

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Link: https://lore.kernel.org/r/20220319073730.5235-1-guozhengkui@vivo.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-03-21 16:37:54 -07:00
Yonghong Song
f97b8b9bd6 bpftool: Fix a bug in subskeleton code generation
Compiled with clang by adding LLVM=1 both kernel and selftests/bpf
build, I hit the following compilation error:

In file included from /.../tools/testing/selftests/bpf/prog_tests/subskeleton.c:6:
  ./test_subskeleton_lib.subskel.h:168:6: error: variable 'err' is used uninitialized whenever
      'if' condition is true [-Werror,-Wsometimes-uninitialized]
          if (!s->progs)
              ^~~~~~~~~
  ./test_subskeleton_lib.subskel.h:181:11: note: uninitialized use occurs here
          errno = -err;
                   ^~~
  ./test_subskeleton_lib.subskel.h:168:2: note: remove the 'if' if its condition is always false
          if (!s->progs)
          ^~~~~~~~~~~~~~

The compilation error is triggered by the following code
        ...
        int err;

        obj = (struct test_subskeleton_lib *)calloc(1, sizeof(*obj));
        if (!obj) {
                errno = ENOMEM;
                goto err;
        }
        ...

  err:
        test_subskeleton_lib__destroy(obj);
        errno = -err;
        ...
in test_subskeleton_lib__open(). The 'err' is not initialized, yet it
is used in 'errno = -err' later.

The fix is to remove 'errno = -err' since errno has been set properly
in all incoming branches.

Fixes: 00389c58ff ("bpftool: Add support for subskeletons")
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220320032009.3106133-1-yhs@fb.com
2022-03-21 14:46:10 -07:00
Linus Torvalds
f648372dfe Thermal control updates for 5.18-rc1
- Add a new thermal driver for the Intel Hardware Feedback Interface
    (HFI) including the HFI initialization, HFI notification interrupt
    handling and sending CPU capabilities change messages to user
    space via the thermal netlink interface (Ricardo Neri, Srinivas
    Pandruvada, Nathan Chancellor, Randy Dunlap).
 
  - Extend the intel-speed-select utility to handle out-of-band CPU
    configuration changes and add support for the CPU capabilities
    change messages sent over the thermal netlink interface by the new
    HFI thermal driver to it (Srinivas Pandruvada).
 
  - Convert the DT bindings to yaml format for the Exynos platform
    and fix and update the MAINTAINERS file for this driver (Krzysztof
    Kozlowski).
 
  - Register the thermal zones as HWmon sensors for the QCom's
    Tsens driver and TI thermal platforms (Dmitry Baryshkov, Romain
    Naour).
 
  - Add the msm8953 compatible documentation in the bindings (Luca
    Weiss).
 
  - Add the sm8150 platform support to the QCom LMh driver's DT
    binding (Thara Gopinath).
 
  - Check the command result from the IPC command to the BPMP in the
    Tegra driver (Mikko Perttunen).
 
  - Silence the error for normal configuration where the interrupt
    is optionnal in the Broadcom thermal driver (Florian Fainelli).
 
  - Remove remaining dead code from the TI thermal driver (Yue
    Haibing).
 
  - Don't use bitmap_weight() in end_power_clamp() in the powerclamp
    driver (Yury Norov).
 
  - Update the OS policy capabilities handshake in the int340x thermal
    driver (Srinivas Pandruvada).
 
  - Increase the policies bitmap size in int340x (Srinivas Pandruvada).
 
  - Replace acpi_bus_get_device() with acpi_fetch_acpi_dev() in the
    int340x thermal driver (Rafael Wysocki).
 
  - Check for NULL after calling kmemdup() in int340x (Jiasheng Jiang).
 
  - Add Intel Dynamic Power and Thermal Framework (DPTF) kernel interface
    documentation (Srinivas Pandruvada).
 
  - Fix bullet list warning in the thermal documentation (Randy Dunlap).
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmI4pU8SHHJqd0Byand5
 c29ja2kubmV0AAoJEILEb/54YlRx47oP+gJMvi3IT/yaN4wyxoT6OeM8A8qPNQIw
 A6olZeL5/t1tp3jPU5qJ498q9W6vokovdqklAya4eqChmPboVk11A3TJ+dhflIRU
 NxaXIKTueNh5AwD08O9jhJJCJEejsb2i7lzWkJKMM/S3eZCciZU9ac4C5WVi3DqM
 F7WL62vhzsknsuTtCw9KLufmI3+NUFW98nS/B2EmesZs1WLfEnrEajYTvzgJRXQH
 qiO6x6fK4HJWP8D7XYxNwGpRObfRFOIkZYt40iXsV8s1fsdcEcKUnXpCviOg3tQ8
 mLE+xqnpAKxaGmrI8QZr6863/NyG5dN8A3hk6ZbTN7vWnyVLmRIzs8XZ8hoPycmH
 LeEGn/LV1td1qrJykRemCYzJCfmXF2k0b6MjJGxgUQ7UItlBXr2pVRWXCFlY+Ekh
 9ahZ7/2BSwdaW5DHbseZIIvF/rsCq0/i4+xV2JizM7ufnlFRx+6jP68KLDQxjwgp
 ZparKMYI/8zEgMq3x3tlvh5JsK4M0kA95NC+bsov4gNh0jbrm+CL92g5PuDLXAby
 RlW8Fmvx1px1n6IEoeLAtbTdQVJwqyNWUyVIhrXkJVGBkCcupCAfuMY9s6woKemf
 IXr1n/tjKG3hxuh/NTgAKYvIKaWSNF1ZIdNGbvgpzEGL+p26y96qhJYFlNBthXy9
 v/4V8qFn0w6R
 =6PYL
 -----END PGP SIGNATURE-----

Merge tag 'thermal-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "As far as new functionality is concerned, there is a new thermal
  driver for the Intel Hardware Feedback Interface (HFI) along with some
  intel-speed-select utility changes to support it. There are also new
  DT compatible strings for a couple of platforms, and thermal zones on
  some platforms will be registered as HWmon sensors now.

  Apart from the above, some drivers are updated (fixes mostly) and
  there is a new piece of documentation for the Intel DPTF (Dynamic
  Power and Thermal Framework) sysfs interface.

  Specifics:

   - Add a new thermal driver for the Intel Hardware Feedback Interface
     (HFI) including the HFI initialization, HFI notification interrupt
     handling and sending CPU capabilities change messages to user space
     via the thermal netlink interface (Ricardo Neri, Srinivas
     Pandruvada, Nathan Chancellor, Randy Dunlap).

   - Extend the intel-speed-select utility to handle out-of-band CPU
     configuration changes and add support for the CPU capabilities
     change messages sent over the thermal netlink interface by the new
     HFI thermal driver to it (Srinivas Pandruvada).

   - Convert the DT bindings to yaml format for the Exynos platform and
     fix and update the MAINTAINERS file for this driver (Krzysztof
     Kozlowski).

   - Register the thermal zones as HWmon sensors for the QCom's Tsens
     driver and TI thermal platforms (Dmitry Baryshkov, Romain Naour).

   - Add the msm8953 compatible documentation in the bindings (Luca
     Weiss).

   - Add the sm8150 platform support to the QCom LMh driver's DT binding
     (Thara Gopinath).

   - Check the command result from the IPC command to the BPMP in the
     Tegra driver (Mikko Perttunen).

   - Silence the error for normal configuration where the interrupt is
     optionnal in the Broadcom thermal driver (Florian Fainelli).

   - Remove remaining dead code from the TI thermal driver (Yue
     Haibing).

   - Don't use bitmap_weight() in end_power_clamp() in the powerclamp
     driver (Yury Norov).

   - Update the OS policy capabilities handshake in the int340x thermal
     driver (Srinivas Pandruvada).

   - Increase the policies bitmap size in int340x (Srinivas Pandruvada).

   - Replace acpi_bus_get_device() with acpi_fetch_acpi_dev() in the
     int340x thermal driver (Rafael Wysocki).

   - Check for NULL after calling kmemdup() in int340x (Jiasheng Jiang).

   - Add Intel Dynamic Power and Thermal Framework (DPTF) kernel
     interface documentation (Srinivas Pandruvada).

   - Fix bullet list warning in the thermal documentation (Randy
     Dunlap)"

* tag 'thermal-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (30 commits)
  thermal: int340x: Update OS policy capability handshake
  thermal: int340x: Increase bitmap size
  Documentation: thermal: DPTF Documentation
  MAINTAINERS: thermal: samsung: update Krzysztof Kozlowski's email
  thermal/drivers/ti-soc-thermal: Remove unused function ti_thermal_get_temp()
  thermal/drivers/brcmstb_thermal: Interrupt is optional
  thermal: tegra-bpmp: Handle errors in BPMP response
  drivers/thermal/ti-soc-thermal: Add hwmon support
  dt-bindings: thermal: tsens: Add msm8953 compatible
  dt-bindings: thermal: Add sm8150 compatible string for LMh
  thermal/drivers/qcom/lmh: Add support for sm8150
  thermal/drivers/tsens: register thermal zones as hwmon sensors
  MAINTAINERS: thermal: samsung: Drop obsolete properties
  dt-bindings: thermal: samsung: Convert to dtschema
  tools/power/x86/intel-speed-select: v1.12 release
  tools/power/x86/intel-speed-select: HFI support
  tools/power/x86/intel-speed-select: OOB daemon mode
  thermal: intel: hfi: INTEL_HFI_THERMAL depends on NET
  thermal: netlink: Fix parameter type of thermal_genl_cpu_capability_event() stub
  thermal: Replace acpi_bus_get_device()
  ...
2022-03-21 14:35:11 -07:00
Linus Torvalds
02b82b02c3 Power management updates for 5.18-rc1
- Allow device_pm_check_callbacks() to be called from interrupt
    context without issues (Dmitry Baryshkov).
 
  - Modify devm_pm_runtime_enable() to automatically handle
    pm_runtime_dont_use_autosuspend() at driver exit time (Douglas
    Anderson).
 
  - Make the schedutil cpufreq governor use to_gov_attr_set() instead
    of open coding it (Kevin Hao).
 
  - Replace acpi_bus_get_device() with acpi_fetch_acpi_dev() in the
    cpufreq longhaul driver (Rafael Wysocki).
 
  - Unify show() and store() naming in cpufreq and make it use
    __ATTR_XX (Lianjie Zhang).
 
  - Make the intel_pstate driver use the EPP value set by the firmware
    by default (Srinivas Pandruvada).
 
  - Re-order the init checks in the powernow-k8 cpufreq driver (Mario
    Limonciello).
 
  - Make the ACPI processor idle driver check for architectural
    support for LPI to avoid using it on x86 by mistake (Mario
    Limonciello).
 
  - Add Sapphire Rapids Xeon support to the intel_idle driver (Artem
    Bityutskiy).
 
  - Add 'preferred_cstates' module argument to the intel_idle driver
    to work around C1 and C1E handling issue on Sapphire Rapids (Artem
    Bityutskiy).
 
  - Add core C6 optimization on Sapphire Rapids to the intel_idle
    driver (Artem Bityutskiy).
 
  - Optimize the haltpoll cpuidle driver a bit (Li RongQing).
 
  - Remove leftover text from intel_idle() kerneldoc comment and fix
    up white space in intel_idle (Rafael Wysocki).
 
  - Fix load_image_and_restore() error path (Ye Bin).
 
  - Fix typos in comments in the system wakeup hadling code (Tom Rix).
 
  - Clean up non-kernel-doc comments in hibernation code (Jiapeng
    Chong).
 
  - Fix __setup handler error handling in system-wide suspend and
    hibernation core code (Randy Dunlap).
 
  - Add device name to suspend_report_result() (Youngjin Jang).
 
  - Make virtual guests honour ACPI S4 hardware signature by
    default (David Woodhouse).
 
  - Block power off of a parent PM domain unless child is in deepest
    state (Ulf Hansson).
 
  - Use dev_err_probe() to simplify error handling for generic PM
    domains (Ahmad Fatoum).
 
  - Fix sleep-in-atomic bug caused by genpd_debug_remove() (Shawn Guo).
 
  - Document Intel uncore frequency scaling (Srinivas Pandruvada).
 
  - Add DTPM hierarchy description (Daniel Lezcano).
 
  - Change the locking scheme in DTPM (Daniel Lezcano).
 
  - Fix dtpm_cpu cleanup at exit time and missing virtual DTPM pointer
    release (Daniel Lezcano).
 
  - Make dtpm_node_callback[] static (kernel test robot).
 
  - Fix spelling mistake "initialze" -> "initialize" in
    dtpm_create_hierarchy() (Colin Ian King).
 
  - Add tracer tool for the amd-pstate driver (Jinzhou Su).
 
  - Fix PC6 displaying in turbostat on some systems (Artem Bityutskiy).
 
  - Add AMD P-State support to the cpupower utility (Huang Rui).
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmI4pM4SHHJqd0Byand5
 c29ja2kubmV0AAoJEILEb/54YlRxh5wQAJEz3u55wIHzeov30obtXaD3SxxnvRzR
 p96gRcmNoR2so/Q9D+h+JHZKQkVklbnbqExMXQn1qarceAUN7KPjVMRvagjZsC/f
 J3LtQmx96yqGTCzOTu5n+Ol2ojKLMCMo++no/2873BYhd60TV6oQxRzkNiZx215n
 tT6MKY5ZMX448VKWAWh9vt5rdvbBj9z6cfvpchK/3bziE21lfLz/1iXeFnwqjPGU
 XuA7NYbVAHOfsdHZk19+4qAgm8EYkmjd4/J8HDlb7XouyLuUGy8KJZYhSrJKiQ1C
 f9f2Zw0925/YpBmFXOwxuYWP9KjFKlq7Cdr3SSgVGDOvgyRtpeV4fU8Y6WPFCtEV
 fQdKr9/4KQP6hwUpxJZucSf49wcnyh7hFDMxrwVVcL96yXZef1OqG3ITihJY/n4J
 +wDnpR2VqBeiG5NyECjk3mPROZGFfUlHRsqMd3JOswMpGF5phpEI9nNFcayB262S
 Rkgcb3MacFVsuo/ZBdzCUTZ6ECvjxZn4FGZPxumkp65SJO18gOPbqs8qfGCZ3Tgb
 GDy0CWEOv/KuGnks1CkBGok2Z4q8s2GcZmaOp9BiPjxKJD71i4uPtiGA/5Ahb6cm
 Cu0G7Ub/t2Vc93E7mnTE4hh2IuiAN73yB5teM4YNllHw6f+aqVGlvJktIMpShajo
 eEBNFlkwljyz
 =WlR9
 -----END PGP SIGNATURE-----

Merge tag 'pm-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These are mostly fixes and cleanups all over the code and a new piece
  of documentation for Intel uncore frequency scaling.

  Functionality-wise, the intel_idle driver will support Sapphire Rapids
  Xeons natively now (with some extra facilities for controlling
  C-states more precisely on those systems), virtual guests will take
  the ACPI S4 hardware signature into account by default, the
  intel_pstate driver will take the defualt EPP value from the firmware,
  cpupower utility will support the AMD P-state driver added in the
  previous cycle, and there is a new tracer utility for that driver.

  Specifics:

   - Allow device_pm_check_callbacks() to be called from interrupt
     context without issues (Dmitry Baryshkov).

   - Modify devm_pm_runtime_enable() to automatically handle
     pm_runtime_dont_use_autosuspend() at driver exit time (Douglas
     Anderson).

   - Make the schedutil cpufreq governor use to_gov_attr_set() instead
     of open coding it (Kevin Hao).

   - Replace acpi_bus_get_device() with acpi_fetch_acpi_dev() in the
     cpufreq longhaul driver (Rafael Wysocki).

   - Unify show() and store() naming in cpufreq and make it use
     __ATTR_XX (Lianjie Zhang).

   - Make the intel_pstate driver use the EPP value set by the firmware
     by default (Srinivas Pandruvada).

   - Re-order the init checks in the powernow-k8 cpufreq driver (Mario
     Limonciello).

   - Make the ACPI processor idle driver check for architectural support
     for LPI to avoid using it on x86 by mistake (Mario Limonciello).

   - Add Sapphire Rapids Xeon support to the intel_idle driver (Artem
     Bityutskiy).

   - Add 'preferred_cstates' module argument to the intel_idle driver to
     work around C1 and C1E handling issue on Sapphire Rapids (Artem
     Bityutskiy).

   - Add core C6 optimization on Sapphire Rapids to the intel_idle
     driver (Artem Bityutskiy).

   - Optimize the haltpoll cpuidle driver a bit (Li RongQing).

   - Remove leftover text from intel_idle() kerneldoc comment and fix up
     white space in intel_idle (Rafael Wysocki).

   - Fix load_image_and_restore() error path (Ye Bin).

   - Fix typos in comments in the system wakeup hadling code (Tom Rix).

   - Clean up non-kernel-doc comments in hibernation code (Jiapeng
     Chong).

   - Fix __setup handler error handling in system-wide suspend and
     hibernation core code (Randy Dunlap).

   - Add device name to suspend_report_result() (Youngjin Jang).

   - Make virtual guests honour ACPI S4 hardware signature by default
     (David Woodhouse).

   - Block power off of a parent PM domain unless child is in deepest
     state (Ulf Hansson).

   - Use dev_err_probe() to simplify error handling for generic PM
     domains (Ahmad Fatoum).

   - Fix sleep-in-atomic bug caused by genpd_debug_remove() (Shawn Guo).

   - Document Intel uncore frequency scaling (Srinivas Pandruvada).

   - Add DTPM hierarchy description (Daniel Lezcano).

   - Change the locking scheme in DTPM (Daniel Lezcano).

   - Fix dtpm_cpu cleanup at exit time and missing virtual DTPM pointer
     release (Daniel Lezcano).

   - Make dtpm_node_callback[] static (kernel test robot).

   - Fix spelling mistake "initialze" -> "initialize" in
     dtpm_create_hierarchy() (Colin Ian King).

   - Add tracer tool for the amd-pstate driver (Jinzhou Su).

   - Fix PC6 displaying in turbostat on some systems (Artem Bityutskiy).

   - Add AMD P-State support to the cpupower utility (Huang Rui)"

* tag 'pm-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (58 commits)
  cpufreq: powernow-k8: Re-order the init checks
  cpuidle: intel_idle: Drop redundant backslash at line end
  cpuidle: intel_idle: Update intel_idle() kerneldoc comment
  PM: hibernate: Honour ACPI hardware signature by default for virtual guests
  cpufreq: intel_pstate: Use firmware default EPP
  cpufreq: unify show() and store() naming and use __ATTR_XX
  PM: core: keep irq flags in device_pm_check_callbacks()
  cpuidle: haltpoll: Call cpuidle_poll_state_init() later
  Documentation: amd-pstate: add tracer tool introduction
  tools/power/x86/amd_pstate_tracer: Add tracer tool for AMD P-state
  tools/power/x86/intel_pstate_tracer: make tracer as a module
  cpufreq: amd-pstate: Add more tracepoint for AMD P-State module
  PM: sleep: Add device name to suspend_report_result()
  turbostat: fix PC6 displaying on some systems
  intel_idle: add core C6 optimization for SPR
  intel_idle: add 'preferred_cstates' module argument
  intel_idle: add SPR support
  PM: runtime: Have devm_pm_runtime_enable() handle pm_runtime_dont_use_autosuspend()
  ACPI: processor idle: Check for architectural support for LPI
  cpuidle: PSCI: Move the `has_lpi` check to the beginning of the function
  ...
2022-03-21 14:26:28 -07:00
Linus Torvalds
d2eb5500f1 LKMM pull request for v5.18
This series contains an improved explanation of syntactic and semantic
 dependencies from Alan Stern.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmIurqQTHHBhdWxtY2tA
 a2VybmVsLm9yZwAKCRCevxLzctn7jGQnD/0eB7REmhm/nxzSttC6/l0aQMWoijRu
 uNFaeK7y+UmfjcVfS0VflUFwzmEOduLHUHeUOpXT7GoEEuoVi/4tN5YEgdarDCwn
 TPsMAizAvbrj3TymbXF1z+DC2QiWWeufVTcv4dSSKJviC839Zaauh4QZmoys7yGM
 BSuUX+dOHax6XGoXtolIqGwplH71RFkFM1dJy4BSSdmhVsTPuFLkxhoBVI9X4LgO
 tmRNAwV2J2mig8+HuMhtl+dYaugUTHAjZ+GqqFz7BhmH5isXuVPGK1iankEuiOhs
 rzvKNKrA0YW903a3bPj3g0DclbYYAFygOjBu49Jl6Y+BeHoID2eNbt9/+n+DWAtt
 D/uKJNFUfdVsDbBQ61P52rB0Bhz3dl3wTR4f6Nn7+MBNJAzLrhTVa73EZAzI1nuO
 GDReAzr6eb0xRB+WibFLK4iXVhRYw406YW9VPp/Ikl1DLl8vnPZlrQR3rEjTGhi7
 lyLRRCXKBb8Aaja1rdHFG4CDb3j+BXW44YscC0wrAFzK9MQFOeHbLupruf4TxsXL
 X1KEFDqPVWPSCjTt9NbA1AofWNGIQFmjU3PNB7xLMLIlOBHRoI/ia4RUotA0cWz/
 f5uFFKbFFeW+ZKDJtKyMBpNJpnnBrOqo1TrXBxIICM3DrYxFfiGDqrByebn7TupA
 GWRa5nAQjXIoBQ==
 =bGU7
 -----END PGP SIGNATURE-----

Merge tag 'lkmm.2022.03.13a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull memory model doc update from Paul McKenney:
 "An improved explanation of syntactic and semantic dependencies from
  Alan Stern"

* tag 'lkmm.2022.03.13a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  tools/memory-model: Explain syntactic and semantic dependencies
2022-03-21 14:09:34 -07:00
Linus Torvalds
35dc0352bb RCU pull request for v5.18
This pull request contains the following branches:
 
 exp.2022.02.24a: Contains a fix for idle detection from Neeraj Upadhyay
 	and missing access marking detected by KCSAN.
 
 fixes.2022.02.14a: Miscellaneous fixes.
 
 rcu_barrier.2022.02.08a: Reduces coupling between rcu_barrier() and
 	CPU-hotplug operations, so that rcu_barrier() no longer needs
 	to do cpus_read_lock().  This may also someday allow system
 	boot to bring CPUs online concurrently.
 
 rcu-tasks.2022.02.08a: Enable more aggressive movement to per-CPU
 	queueing when reacting to excessive lock contention due
 	to workloads placing heavy update-side stress on RCU tasks.
 
 rt.2022.02.01b: Improvements to RCU priority boosting, including
 	changes from Neeraj Upadhyay, Zqiang, and Alison Chaiken.
 
 torture.2022.02.01b: Various fixes improving test robustness and
 	debug information.
 
 torturescript.2022.02.08a: Add tests for SRCU size transitions, further
 	compress torture.sh build products, and improve debug output.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmIusb0THHBhdWxtY2tA
 a2VybmVsLm9yZwAKCRCevxLzctn7jAklD/9VXLK7crcg2YeRXUIg1IOdnancsVCV
 MNtTfxNYqYIis+W2UfuHKuQu2yEXF5fihdY0J9TQv0byHsprp6FIZT+i1An4Ukgd
 0vyHjd/DaIKgs2txsB1DjhlatWlJUfQuBwhtNUkpYFLFwKdCI1l813bPbNlL+GiL
 p0ZejVMpBC5HgE6sDOtaaQSAB+AEUp+Lgr+yaG/On8hfzwWFKO8KldxhiKY9n07v
 SNDfKDgXB+80hx4RBVGbkuogV3s9brFULoNRXJy7Uf79DtiY09uazhhA3G0TjO34
 zGwmF91dqsXDF/Uz8g4aZO0xYRXUchOrsQ5lgO/GhTVbM9I0wWlMHEk/8WHyBJkU
 vlXOMuwzBc9/5uwZE3rnkA4a3nkXhPQjLlCr+/I7A/7Vsv9IBW9WSlgMvUN0Qf4S
 XAwTnIqfErnR60a+L0+HRr5kIV5VoXcxqI/Nv0/4/BMLRubS/c7cYjOTxXNJL9SU
 50pv5vty9xk3HSpuz0JAOyLf+PUT773uUQhFr5xCBSCVqbAm5WFg6hWPAgrN/tUS
 wstBc0wlA73rKVJxeLDQwHc/oT1zTUEzswVZITQ5zLHK0t0GbeR6QHccsdeaJyTe
 DisX+66A6YQrEuJmx5xUZqjYHqtYLDOBTbHA3ZwQmvjKu8ibWZ8Fg9ioURLCS4bF
 +FVkp/5KdcAN9w==
 =ljVY
 -----END PGP SIGNATURE-----

Merge tag 'rcu.2022.03.13a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull RCU updates from Paul McKenney:

 - Fix idle detection (Neeraj Upadhyay) and missing access marking
   detected by KCSAN.

 - Reduce coupling between rcu_barrier() and CPU-hotplug operations, so
   that rcu_barrier() no longer needs to do cpus_read_lock(). This may
   also someday allow system boot to bring CPUs online concurrently.

 - Enable more aggressive movement to per-CPU queueing when reacting to
   excessive lock contention due to workloads placing heavy update-side
   stress on RCU tasks.

 - Improvements to RCU priority boosting, including changes from Neeraj
   Upadhyay, Zqiang, and Alison Chaiken.

 - Various fixes improving test robustness and debug information.

 - Add tests for SRCU size transitions, further compress torture.sh
   build products, and improve debug output.

 - Miscellaneous fixes.

* tag 'rcu.2022.03.13a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (49 commits)
  rcu: Replace cpumask_weight with cpumask_empty where appropriate
  rcu: Remove __read_mostly annotations from rcu_scheduler_active externs
  rcu: Uninline multi-use function: finish_rcuwait()
  rcu: Mark writes to the rcu_segcblist structure's ->flags field
  kasan: Record work creation stack trace with interrupts enabled
  rcu: Inline __call_rcu() into call_rcu()
  rcu: Add mutex for rcu boost kthread spawning and affinity setting
  rcu: Fix description of kvfree_rcu()
  MAINTAINERS:  Add Frederic and Neeraj to their RCU files
  rcutorture: Provide non-power-of-two Tasks RCU scenarios
  rcutorture: Test SRCU size transitions
  torture: Make torture.sh help message match reality
  rcu-tasks: Set ->percpu_enqueue_shift to zero upon contention
  rcu-tasks: Use order_base_2() instead of ilog2()
  rcu: Create and use an rcu_rdp_cpu_online()
  rcu: Make rcu_barrier() no longer block CPU-hotplug operations
  rcu: Rework rcu_barrier() and callback-migration logic
  rcu: Refactor rcu_barrier() empty-list handling
  rcu: Kill rnp->ofl_seq and use only rcu_state.ofl_lock for exclusion
  torture: Change KVM environment variable to RCUTORTURE
  ...
2022-03-21 14:00:56 -07:00
Linus Torvalds
3fd33273a4 Reenable ENQCMD/PASID support:
- Simplify the PASID handling to allocate the PASID once, associate it to
    the mm of a process and free it on mm_exit(). The previous attempt of
    refcounted PASIDs and dynamic alloc()/free() turned out to be error
    prone and too complex. The PASID space is 20bits, so the case of
    resource exhaustion is a pure academic concern.
 
  - Populate the PASID MSR on demand via #GP to avoid racy updates via IPIs.
 
  - Reenable ENQCMD and let objtool check for the forbidden usage of ENQCMD
    in the kernel.
 
  - Update the documentation for Shared Virtual Addressing accordingly.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmI4WpETHHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYoUfnD/0bY94rgEX4Uuy/mFQ1W8X8XlcyKrha
 0/cRATb+4QV/pwJgGr2nClKhGlFMYPdJLvKMC1TCUPCVrLD1RNmluIZoFzeqXwhm
 jDdCcFOuGZ2D4ujDPWwOOpKBT1ytovnQa7+lH6QJyKkEqdcC2ncOvGJQoiRxRQIG
 8wTVs/OUvQJ5ZhSZQMKQN4uMWMyHEjhbroYS30/uNi/598jTPgzlEoa14XocQ9Os
 nS6ALvjuc9MsJ34F61etMaJU1ZMI3Wx75u9QjEvX6hmJs87YdvgwE7lzJUKFDEuh
 gewM0wp2fTa8/azzP0eMiHTin56PqFdmllzRqXmilbZMEPOeI29dZVArCdpKcAn0
 r9p1kJUT3Xl2G3Oir/OdCaaQHcznD1Y5ZFOyh12wgEucZ/rdeSr7nq7n5HoOL5Bw
 Q2o6YvTkE9DOL0nTN1lSXGiPspou7fzX0uUcRBrbJUS3sBv4zGIlaJXUaTVnSdAt
 VZj4LeOK7v2BjyeiOY0iaaIQd3xjmLUF0UjozXS5M13SoVcToZRbyWqhDzPvNuKA
 imQb/dnFpXhABgmuqAiJLeqM0VtGMFNc780OURkcsBSPng+iSEdV4DzuhK0jpU8x
 Uk1RuGMd/vgmrlDFBrw+orQQiiKR1ixpI0LiHfcOBycfJhqTwcnrNZvAN5/do28Z
 E23+QzlUbZF0cw==
 =Dy8V
 -----END PGP SIGNATURE-----

Merge tag 'x86-pasid-2022-03-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 PASID support from Thomas Gleixner:
 "Reenable ENQCMD/PASID support:

   - Simplify the PASID handling to allocate the PASID once, associate
     it to the mm of a process and free it on mm_exit().

     The previous attempt of refcounted PASIDs and dynamic
     alloc()/free() turned out to be error prone and too complex. The
     PASID space is 20bits, so the case of resource exhaustion is a pure
     academic concern.

   - Populate the PASID MSR on demand via #GP to avoid racy updates via
     IPIs.

   - Reenable ENQCMD and let objtool check for the forbidden usage of
     ENQCMD in the kernel.

   - Update the documentation for Shared Virtual Addressing accordingly"

* tag 'x86-pasid-2022-03-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation/x86: Update documentation for SVA (Shared Virtual Addressing)
  tools/objtool: Check for use of the ENQCMD instruction in the kernel
  x86/cpufeatures: Re-enable ENQCMD
  x86/traps: Demand-populate PASID MSR via #GP
  sched: Define and initialize a flag to identify valid PASID in the task
  x86/fpu: Clear PASID when copying fpstate
  iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit
  kernel/fork: Initialize mm's PASID
  iommu/ioasid: Introduce a helper to check for valid PASIDs
  mm: Change CONFIG option for mm->pasid field
  iommu/sva: Rename CONFIG_IOMMU_SVA_LIB to CONFIG_IOMMU_SVA
2022-03-21 12:28:13 -07:00
Linus Torvalds
61e2658e37 - A couple of fixes and improvements to the SGX selftests
-----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmI4WVQACgkQEsHwGGHe
 VUpL6w//RpMzMnbo0j45xJfEwrw/zw0nB4d7/j185wqqxbvLwZZe1Xb4RfLJ28Bn
 iW4mQG15H0tiR3EeOnR5QwIqEOYcWb1IkYtTQFk//bzyto2jb19S+/zDKvj0M9zM
 apA1s+faKjyvcGdRUmZR6YqnFCpfGCaB060AYV2hVoAb9NqktUl4gbRNjJh9Fl2M
 PAPBK7VhVD4ycq1FnOw3zCky5uGCWOigxz4FeOelcT39ETdLXL9TgHO6aHiapco9
 rNbCI5L47dpjVSSZlmCJHaEgeaU9jyOiEzbQh4VPR88eDggLhkvQwA4POF+q4xHs
 uVv9pCRUWEs0BDBc3itDsVTpmv8V9OIXiJhVEbkSM2ZHmlZfkZT1MiH6HChi7pNO
 tyFHKEiutUAqCrS9fMrqxDM1vXeH/wPRGhN/wtBY7UzcDbLRAHLW5fk2HinVTTx2
 hcdrz2ku16J/ioxP2BmtdAIdYZqusReSoAPI5Z1UpyUNtKvNEXUj8a0y/w9SYTV4
 M7KakbZAQnh56HyV0j5GlM5xRvOpmJQVZQJrOi4h4xm97mO1eGfL4E9boBKFi/PF
 lTSkbNs9kHSqgFjjKNC0+a28jGa8BrVfRbD39zcUoUYWo68wDVIq6gB1RxQG0l8J
 QYxXQekHvRZ/NINbcpY6okE9L9X1CPPaHfs2+7VRsxjjHWUcIYU=
 =uGS4
 -----END PGP SIGNATURE-----

Merge tag 'x86_sgx_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 SGX updates from Borislav Petkov:

 - A couple of fixes and improvements to the SGX selftests

* tag 'x86_sgx_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  selftests/sgx: Treat CC as one argument
  selftests/x86: Add validity check and allow field splitting
  selftests/sgx: Remove extra newlines in test output
  selftests/sgx: Ensure enclave data available during debug print
  selftests/sgx: Do not attempt enclave build without valid enclave
  selftests/sgx: Fix NULL-pointer-dereference upon early test failure
2022-03-21 11:37:17 -07:00
Linus Torvalds
2268735045 - Add support for a couple new insn sets to the insn decoder: AVX512-FP16,
AMX, other misc insns.
 
 - Update VMware-specific MAINTAINERS entries
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmI4URIACgkQEsHwGGHe
 VUob3A/9GFyqt9bBKrSaq9Rt1UVkq6dQhG3kO7dW5d0YDvy8JmR9is4rNDV9GGx6
 A1OAue/gDlZFIz/829oS1qwjB7GZ4Rfb0gRo33bytDLLmd0BRXW7ioZ54jBRnWvy
 8dZ2WruMmazK6uJxoHvtOA+Pt3ukb074CZZ1SfW344clWK6FJZeptyRclWaT1Py2
 QOIJOxMraCdNAay/1ZvOdIqqdIPx5+JyzbHIYOWUFzwT4y+Q8kFNbigrJnqxe5Ij
 aqRjzMIvt6MeLwbq9CfLsPFA3gaSzYeOkuXQPcqRgd5LU5ZyXBLStUrGEv1fsMvd
 9Kh7VFycZPS7MKzxoEcbuJTTOR4cBsINOlbo9iWr7UD5pm5h7c3vc+nCyia+U+Xo
 5XRpf8nitt4a3r1f6HxwXJS0OlBkS4CqexE2OejY4yhWRlxhMcIvRyquU+Z0J4Bp
 mgDJuXSzfJfFcBzp4jjOBxGPNEjXXOdy/qc/1jR97eMmTKrk3gk/74NWUx9hw4oN
 5RGeC+khAD13TL0yVQfKBe5HuLK5tHppAzXAnT2xi6qUn+VJjLxNWgg3iV9tbShM
 4q5vJp3BmvNOY8HQv1R3IDFfN0IAL09Q9v6EzEroNuVUhEOzBdH7JSzWkvBBveZb
 FVgD3I+wNBE1nQD3cP/6DGbRe1JG3ULDF95WJshB8gNJwavlZGs=
 =f7VZ
 -----END PGP SIGNATURE-----

Merge tag 'x86_misc_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc x86 updates from Borislav Petkov:

 - Add support for a couple new insn sets to the insn decoder:
   AVX512-FP16, AMX, other misc insns.

 - Update VMware-specific MAINTAINERS entries

* tag 'x86_misc_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  MAINTAINERS: Mark VMware mailing list entries as email aliases
  MAINTAINERS: Add Zack as maintainer of vmmouse driver
  MAINTAINERS: Update maintainers for paravirt ops and VMware hypervisor interface
  x86/insn: Add AVX512-FP16 instructions to the x86 instruction decoder
  perf/tests: Add AVX512-FP16 instructions to x86 instruction decoder test
  x86/insn: Add misc instructions to x86 instruction decoder
  perf/tests: Add misc instructions to the x86 instruction decoder test
  x86/insn: Add AMX instructions to the x86 instruction decoder
  perf/tests: Add AMX instructions to x86 instruction decoder test
2022-03-21 11:19:00 -07:00
Linus Torvalds
356a1adca8 arm64 updates for 5.18
- Support for including MTE tags in ELF coredumps
 
 - Instruction encoder updates, including fixes to 64-bit immediate
   generation and support for the LSE atomic instructions
 
 - Improvements to kselftests for MTE and fpsimd
 
 - Symbol aliasing and linker script cleanups
 
 - Reduce instruction cache maintenance performed for user mappings
   created using contiguous PTEs
 
 - Support for the new "asymmetric" MTE mode, where stores are checked
   asynchronously but loads are checked synchronously
 
 - Support for the latest pointer authentication algorithm ("QARMA3")
 
 - Support for the DDR PMU present in the Marvell CN10K platform
 
 - Support for the CPU PMU present in the Apple M1 platform
 
 - Use the RNDR instruction for arch_get_random_{int,long}()
 
 - Update our copy of the Arm optimised string routines for str{n}cmp()
 
 - Fix signal frame generation for CPUs which have foolishly elected to
   avoid building in support for the fpsimd instructions
 
 - Workaround for Marvell GICv3 erratum #38545
 
 - Clarification to our Documentation (booting reqs. and MTE prctl())
 
 - Miscellanous cleanups and minor fixes
 -----BEGIN PGP SIGNATURE-----
 
 iQFEBAABCgAuFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAmIvta8QHHdpbGxAa2Vy
 bmVsLm9yZwAKCRC3rHDchMFjNAIhB/oDSva5FryAFExVuIB+mqRkbZO9kj6fy/5J
 ctN9LEVO2GI/U1TVAUWop1lXmP8Kbq5UCZOAuY8sz7dAZs7NRUWkwTrXVhaTpi6L
 oxCfu5Afu76d/TGgivNz+G7/ewIJRFj5zCPmHezLF9iiWPUkcAsP0XCp4a0iOjU4
 04O4d7TL/ap9ujEes+U0oEXHnyDTPrVB2OVE316FKD1fgztcjVJ2U+TxX5O4xitT
 PPIfeQCjQBq1B2OC1cptE3wpP+YEr9OZJbx+Ieweidy1CSInEy0nZ13tLoUnGPGU
 KPhsvO9daUCbhbd5IDRBuXmTi/sHU4NIB8LNEVzT1mUPnU8pCizv
 =ziGg
 -----END PGP SIGNATURE-----

Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:

 - Support for including MTE tags in ELF coredumps

 - Instruction encoder updates, including fixes to 64-bit immediate
   generation and support for the LSE atomic instructions

 - Improvements to kselftests for MTE and fpsimd

 - Symbol aliasing and linker script cleanups

 - Reduce instruction cache maintenance performed for user mappings
   created using contiguous PTEs

 - Support for the new "asymmetric" MTE mode, where stores are checked
   asynchronously but loads are checked synchronously

 - Support for the latest pointer authentication algorithm ("QARMA3")

 - Support for the DDR PMU present in the Marvell CN10K platform

 - Support for the CPU PMU present in the Apple M1 platform

 - Use the RNDR instruction for arch_get_random_{int,long}()

 - Update our copy of the Arm optimised string routines for str{n}cmp()

 - Fix signal frame generation for CPUs which have foolishly elected to
   avoid building in support for the fpsimd instructions

 - Workaround for Marvell GICv3 erratum #38545

 - Clarification to our Documentation (booting reqs. and MTE prctl())

 - Miscellanous cleanups and minor fixes

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (90 commits)
  docs: sysfs-devices-system-cpu: document "asymm" value for mte_tcf_preferred
  arm64/mte: Remove asymmetric mode from the prctl() interface
  arm64: Add cavium_erratum_23154_cpus missing sentinel
  perf/marvell: Fix !CONFIG_OF build for CN10K DDR PMU driver
  arm64: mm: Drop 'const' from conditional arm64_dma_phys_limit definition
  Documentation: vmcoreinfo: Fix htmldocs warning
  kasan: fix a missing header include of static_keys.h
  drivers/perf: Add Apple icestorm/firestorm CPU PMU driver
  drivers/perf: arm_pmu: Handle 47 bit counters
  arm64: perf: Consistently make all event numbers as 16-bits
  arm64: perf: Expose some Armv9 common events under sysfs
  perf/marvell: cn10k DDR perf event core ownership
  perf/marvell: cn10k DDR perfmon event overflow handling
  perf/marvell: CN10k DDR performance monitor support
  dt-bindings: perf: marvell: cn10k ddr performance monitor
  arm64: clean up tools Makefile
  perf/arm-cmn: Update watchpoint format
  perf/arm-cmn: Hide XP PUB events for CMN-600
  arm64: drop unused includes of <linux/personality.h>
  arm64: Do not defer reserve_crashkernel() for platforms with no DMA memory zones
  ...
2022-03-21 10:46:39 -07:00
Linus Torvalds
9d8e7007dc tpmdd updates for Linux v5.18
-----BEGIN PGP SIGNATURE-----
 
 iIgEABYIADAWIQRE6pSOnaBC00OEHEIaerohdGur0gUCYi62bxIcamFya2tvQGtl
 cm5lbC5vcmcACgkQGnq6IXRrq9KcoQD/dmnK80r9aYRpjP0r9lRViKBbpPxJVHR1
 XNDmRVET7DkBANz1Y00wayKWskefS1rGHXDp40BNBiideWz1GFrWg/ED
 =u9w6
 -----END PGP SIGNATURE-----

Merge tag 'tpmdd-next-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull tpm updates from Jarkko Sakkinen:
 "In order to split the work a bit we've aligned with David Howells more
  or less that I take more hardware/firmware aligned keyring patches,
  and he takes care more of the framework aligned patches.

  For TPM the patches worth of highlighting are the fixes for
  refcounting provided by Lino Sanfilippo and James Bottomley.

  Eric B. has done a bunch obvious (but important) fixes but there's one
  a bit controversial: removal of asym_tpm. It was added in 2018 when
  TPM1 was already declared as insecure and world had moved on to TPM2.
  I don't know how this has passed all the filters but I did not have a
  chance to see the patches when they were out. I simply cannot commit
  to maintaining this because it was from all angles just wrong to take
  it in the first place to the mainline kernel. Nobody should use this
  module really for anything.

  Finally, there is a new keyring '.machine' to hold MOK keys ('Machine
  Owner Keys'). In the mok side MokListTrustedRT UEFI variable can be
  set, from which kernel knows that MOK keys are kernel trusted keys and
  they are populated to the machine keyring. This keyring linked to the
  secondary trusted keyring, which means that can be used like any
  kernel trusted keys. This keyring of course can be used to hold other
  MOK'ish keys in other platforms in future"

* tag 'tpmdd-next-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd: (24 commits)
  tpm: use try_get_ops() in tpm-space.c
  KEYS: asymmetric: properly validate hash_algo and encoding
  KEYS: asymmetric: enforce that sig algo matches key algo
  KEYS: remove support for asym_tpm keys
  tpm: fix reference counting for struct tpm_chip
  integrity: Only use machine keyring when uefi_check_trust_mok_keys is true
  integrity: Trust MOK keys if MokListTrustedRT found
  efi/mokvar: move up init order
  KEYS: Introduce link restriction for machine keys
  KEYS: store reference to machine keyring
  integrity: add new keyring handler for mok keys
  integrity: Introduce a Linux keyring called machine
  integrity: Fix warning about missing prototypes
  KEYS: trusted: Avoid calling null function trusted_key_exit
  KEYS: trusted: Fix trusted key backends when building as module
  tpm: xen-tpmfront: Use struct_size() helper
  KEYS: x509: remove dead code that set ->unsupported_sig
  KEYS: x509: remove never-set ->unsupported_key flag
  KEYS: x509: remove unused fields
  KEYS: x509: clearly distinguish between key and signature algorithms
  ...
2022-03-21 10:26:29 -07:00
Matthew Wilcox (Oracle)
72e7258874 selftests/vm/transhuge-stress: Support file-backed PMD folios
Add a -f <filename> option to test PMD folios on files

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
2022-03-21 13:01:36 -04:00
Hengqi Chen
d0f325c34c libbpf: Close fd in bpf_object__reuse_map
pin_fd is dup-ed and assigned in bpf_map__reuse_fd. Close it
in bpf_object__reuse_map after reuse.

Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220319030533.3132250-1-hengqi.chen@gmail.com
2022-03-21 15:36:52 +01:00
Yafang Shao
1824d8ea75 bpftool: Fix print error when show bpf map
If there is no btf_id or frozen, it will not show the pids, but the pids don't
depend on any one of them.

Below is the result after this change:

  $ ./bpftool map show
  2: lpm_trie  flags 0x1
	key 8B  value 8B  max_entries 1  memlock 4096B
	pids systemd(1)
  3: lpm_trie  flags 0x1
	key 20B  value 8B  max_entries 1  memlock 4096B
	pids systemd(1)

While before this change, the 'pids systemd(1)' can't be displayed.

Fixes: 9330986c03 ("bpf: Add bloom filter map implementation")
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220320060815.7716-1-laoar.shao@gmail.com
2022-03-21 14:58:06 +01:00
Hangbin Liu
ec80906b0f selftests/bpf/test_lirc_mode2.sh: Exit with proper code
When test_lirc_mode2_user exec failed, the test report failed but still
exit with 0. Fix it by exiting with an error code.

Another issue is for the LIRCDEV checking. With bash -n, we need to quote
the variable, or it will always be true. So if test_lirc_mode2_user was
not run, just exit with skip code.

Fixes: 6bdd533cee ("bpf: add selftest for lirc_mode2 type program")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220321024149.157861-1-liuhangbin@gmail.com
2022-03-21 14:48:06 +01:00
Namhyung Kim
e1cc1f3998 selftests/bpf: Test skipping stacktrace
Add a test case for stacktrace with skip > 0 using a small sized
buffer.  It didn't support skipping entries greater than or equal to
the size of buffer and filled the skipped part with 0.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220314182042.71025-2-namhyung@kernel.org
2022-03-20 19:16:50 -07:00
Jakub Sitnicki
ce52368001 selftests/bpf: Fix test for 4-byte load from remote_port on big-endian
The context access converter rewrites the 4-byte load from
bpf_sk_lookup->remote_port to a 2-byte load from bpf_sk_lookup_kern
structure.

It means that we cannot treat the destination register contents as a 32-bit
value, or the code will not be portable across big- and little-endian
architectures.

This is exactly the same case as with 4-byte loads from bpf_sock->dst_port
so follow the approach outlined in [1] and treat the register contents as a
16-bit value in the test.

[1]: https://lore.kernel.org/bpf/20220317113920.1068535-5-jakub@cloudflare.com/

Fixes: 2ed0dc5937 ("selftests/bpf: Cover 4-byte load from remote_port in bpf_sk_lookup")
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20220319183356.233666-4-jakub@cloudflare.com
2022-03-20 18:59:00 -07:00
Jakub Sitnicki
3c69611b89 selftests/bpf: Fix u8 narrow load checks for bpf_sk_lookup remote_port
In commit 9a69e2b385 ("bpf: Make remote_port field in struct
bpf_sk_lookup 16-bit wide") ->remote_port field changed from __u32 to
__be16.

However, narrow load tests which exercise 1-byte sized loads from
offsetof(struct bpf_sk_lookup, remote_port) were not adopted to reflect the
change.

As a result, on little-endian we continue testing loads from addresses:

 - (__u8 *)&ctx->remote_port + 3
 - (__u8 *)&ctx->remote_port + 4

which map to the zero padding following the remote_port field, and don't
break the tests because there is no observable change.

While on big-endian, we observe breakage because tests expect to see zeros
for values loaded from:

 - (__u8 *)&ctx->remote_port - 1
 - (__u8 *)&ctx->remote_port - 2

Above addresses map to ->remote_ip6 field, which precedes ->remote_port,
and are populated during the bpf_sk_lookup IPv6 tests.

Unsurprisingly, on s390x we observe:

  #136/38 sk_lookup/narrow access to ctx v4:OK
  #136/39 sk_lookup/narrow access to ctx v6:FAIL

Fix it by removing the checks for 1-byte loads from offsets outside of the
->remote_port field.

Fixes: 9a69e2b385 ("bpf: Make remote_port field in struct bpf_sk_lookup 16-bit wide")
Suggested-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20220319183356.233666-3-jakub@cloudflare.com
2022-03-20 18:58:59 -07:00
Joanne Koong
0e790cbb1a selftests/bpf: Test for associating multiple elements with the local storage
This patch adds a few calls to the existing local storage selftest to
test that we can associate multiple elements with the local storage.

The sleepable program's call to bpf_sk_storage_get with sk_storage_map2
will lead to an allocation of a new selem under the GFP_KERNEL flag.

Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220318045553.3091807-3-joannekoong@fb.com
2022-03-20 18:55:05 -07:00