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Linus Torvalds
6803bd7956 ARM: 
* Generalized infrastructure for 'writable' ID registers, effectively
   allowing userspace to opt-out of certain vCPU features for its guest
 
 * Optimization for vSGI injection, opportunistically compressing MPIDR
   to vCPU mapping into a table
 
 * Improvements to KVM's PMU emulation, allowing userspace to select
   the number of PMCs available to a VM
 
 * Guest support for memory operation instructions (FEAT_MOPS)
 
 * Cleanups to handling feature flags in KVM_ARM_VCPU_INIT, squashing
   bugs and getting rid of useless code
 
 * Changes to the way the SMCCC filter is constructed, avoiding wasted
   memory allocations when not in use
 
 * Load the stage-2 MMU context at vcpu_load() for VHE systems, reducing
   the overhead of errata mitigations
 
 * Miscellaneous kernel and selftest fixes
 
 LoongArch:
 
 * New architecture.  The hardware uses the same model as x86, s390
   and RISC-V, where guest/host mode is orthogonal to supervisor/user
   mode.  The virtualization extensions are very similar to MIPS,
   therefore the code also has some similarities but it's been cleaned
   up to avoid some of the historical bogosities that are found in
   arch/mips.  The kernel emulates MMU, timer and CSR accesses, while
   interrupt controllers are only emulated in userspace, at least for
   now.
 
 RISC-V:
 
 * Support for the Smstateen and Zicond extensions
 
 * Support for virtualizing senvcfg
 
 * Support for virtualized SBI debug console (DBCN)
 
 S390:
 
 * Nested page table management can be monitored through tracepoints
   and statistics
 
 x86:
 
 * Fix incorrect handling of VMX posted interrupt descriptor in KVM_SET_LAPIC,
   which could result in a dropped timer IRQ
 
 * Avoid WARN on systems with Intel IPI virtualization
 
 * Add CONFIG_KVM_MAX_NR_VCPUS, to allow supporting up to 4096 vCPUs without
   forcing more common use cases to eat the extra memory overhead.
 
 * Add virtualization support for AMD SRSO mitigation (IBPB_BRTYPE and
   SBPB, aka Selective Branch Predictor Barrier).
 
 * Fix a bug where restoring a vCPU snapshot that was taken within 1 second of
   creating the original vCPU would cause KVM to try to synchronize the vCPU's
   TSC and thus clobber the correct TSC being set by userspace.
 
 * Compute guest wall clock using a single TSC read to avoid generating an
   inaccurate time, e.g. if the vCPU is preempted between multiple TSC reads.
 
 * "Virtualize" HWCR.TscFreqSel to make Linux guests happy, which complain
   about a "Firmware Bug" if the bit isn't set for select F/M/S combos.
   Likewise "virtualize" (ignore) MSR_AMD64_TW_CFG to appease Windows Server
   2022.
 
 * Don't apply side effects to Hyper-V's synthetic timer on writes from
   userspace to fix an issue where the auto-enable behavior can trigger
   spurious interrupts, i.e. do auto-enabling only for guest writes.
 
 * Remove an unnecessary kick of all vCPUs when synchronizing the dirty log
   without PML enabled.
 
 * Advertise "support" for non-serializing FS/GS base MSR writes as appropriate.
 
 * Harden the fast page fault path to guard against encountering an invalid
   root when walking SPTEs.
 
 * Omit "struct kvm_vcpu_xen" entirely when CONFIG_KVM_XEN=n.
 
 * Use the fast path directly from the timer callback when delivering Xen
   timer events, instead of waiting for the next iteration of the run loop.
   This was not done so far because previously proposed code had races,
   but now care is taken to stop the hrtimer at critical points such as
   restarting the timer or saving the timer information for userspace.
 
 * Follow the lead of upstream Xen and ignore the VCPU_SSHOTTMR_future flag.
 
 * Optimize injection of PMU interrupts that are simultaneous with NMIs.
 
 * Usual handful of fixes for typos and other warts.
 
 x86 - MTRR/PAT fixes and optimizations:
 
 * Clean up code that deals with honoring guest MTRRs when the VM has
   non-coherent DMA and host MTRRs are ignored, i.e. EPT is enabled.
 
 * Zap EPT entries when non-coherent DMA assignment stops/start to prevent
   using stale entries with the wrong memtype.
 
 * Don't ignore guest PAT for CR0.CD=1 && KVM_X86_QUIRK_CD_NW_CLEARED=y.
   This was done as a workaround for virtual machine BIOSes that did not
   bother to clear CR0.CD (because ancient KVM/QEMU did not bother to
   set it, in turn), and there's zero reason to extend the quirk to
   also ignore guest PAT.
 
 x86 - SEV fixes:
 
 * Report KVM_EXIT_SHUTDOWN instead of EINVAL if KVM intercepts SHUTDOWN while
   running an SEV-ES guest.
 
 * Clean up the recognition of emulation failures on SEV guests, when KVM would
   like to "skip" the instruction but it had already been partially emulated.
   This makes it possible to drop a hack that second guessed the (insufficient)
   information provided by the emulator, and just do the right thing.
 
 Documentation:
 
 * Various updates and fixes, mostly for x86
 
 * MTRR and PAT fixes and optimizations:
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "ARM:

   - Generalized infrastructure for 'writable' ID registers, effectively
     allowing userspace to opt-out of certain vCPU features for its
     guest

   - Optimization for vSGI injection, opportunistically compressing
     MPIDR to vCPU mapping into a table

   - Improvements to KVM's PMU emulation, allowing userspace to select
     the number of PMCs available to a VM

   - Guest support for memory operation instructions (FEAT_MOPS)

   - Cleanups to handling feature flags in KVM_ARM_VCPU_INIT, squashing
     bugs and getting rid of useless code

   - Changes to the way the SMCCC filter is constructed, avoiding wasted
     memory allocations when not in use

   - Load the stage-2 MMU context at vcpu_load() for VHE systems,
     reducing the overhead of errata mitigations

   - Miscellaneous kernel and selftest fixes

  LoongArch:

   - New architecture for kvm.

     The hardware uses the same model as x86, s390 and RISC-V, where
     guest/host mode is orthogonal to supervisor/user mode. The
     virtualization extensions are very similar to MIPS, therefore the
     code also has some similarities but it's been cleaned up to avoid
     some of the historical bogosities that are found in arch/mips. The
     kernel emulates MMU, timer and CSR accesses, while interrupt
     controllers are only emulated in userspace, at least for now.

  RISC-V:

   - Support for the Smstateen and Zicond extensions

   - Support for virtualizing senvcfg

   - Support for virtualized SBI debug console (DBCN)

  S390:

   - Nested page table management can be monitored through tracepoints
     and statistics

  x86:

   - Fix incorrect handling of VMX posted interrupt descriptor in
     KVM_SET_LAPIC, which could result in a dropped timer IRQ

   - Avoid WARN on systems with Intel IPI virtualization

   - Add CONFIG_KVM_MAX_NR_VCPUS, to allow supporting up to 4096 vCPUs
     without forcing more common use cases to eat the extra memory
     overhead.

   - Add virtualization support for AMD SRSO mitigation (IBPB_BRTYPE and
     SBPB, aka Selective Branch Predictor Barrier).

   - Fix a bug where restoring a vCPU snapshot that was taken within 1
     second of creating the original vCPU would cause KVM to try to
     synchronize the vCPU's TSC and thus clobber the correct TSC being
     set by userspace.

   - Compute guest wall clock using a single TSC read to avoid
     generating an inaccurate time, e.g. if the vCPU is preempted
     between multiple TSC reads.

   - "Virtualize" HWCR.TscFreqSel to make Linux guests happy, which
     complain about a "Firmware Bug" if the bit isn't set for select
     F/M/S combos. Likewise "virtualize" (ignore) MSR_AMD64_TW_CFG to
     appease Windows Server 2022.

   - Don't apply side effects to Hyper-V's synthetic timer on writes
     from userspace to fix an issue where the auto-enable behavior can
     trigger spurious interrupts, i.e. do auto-enabling only for guest
     writes.

   - Remove an unnecessary kick of all vCPUs when synchronizing the
     dirty log without PML enabled.

   - Advertise "support" for non-serializing FS/GS base MSR writes as
     appropriate.

   - Harden the fast page fault path to guard against encountering an
     invalid root when walking SPTEs.

   - Omit "struct kvm_vcpu_xen" entirely when CONFIG_KVM_XEN=n.

   - Use the fast path directly from the timer callback when delivering
     Xen timer events, instead of waiting for the next iteration of the
     run loop. This was not done so far because previously proposed code
     had races, but now care is taken to stop the hrtimer at critical
     points such as restarting the timer or saving the timer information
     for userspace.

   - Follow the lead of upstream Xen and ignore the VCPU_SSHOTTMR_future
     flag.

   - Optimize injection of PMU interrupts that are simultaneous with
     NMIs.

   - Usual handful of fixes for typos and other warts.

  x86 - MTRR/PAT fixes and optimizations:

   - Clean up code that deals with honoring guest MTRRs when the VM has
     non-coherent DMA and host MTRRs are ignored, i.e. EPT is enabled.

   - Zap EPT entries when non-coherent DMA assignment stops/start to
     prevent using stale entries with the wrong memtype.

   - Don't ignore guest PAT for CR0.CD=1 && KVM_X86_QUIRK_CD_NW_CLEARED=y

     This was done as a workaround for virtual machine BIOSes that did
     not bother to clear CR0.CD (because ancient KVM/QEMU did not bother
     to set it, in turn), and there's zero reason to extend the quirk to
     also ignore guest PAT.

  x86 - SEV fixes:

   - Report KVM_EXIT_SHUTDOWN instead of EINVAL if KVM intercepts
     SHUTDOWN while running an SEV-ES guest.

   - Clean up the recognition of emulation failures on SEV guests, when
     KVM would like to "skip" the instruction but it had already been
     partially emulated. This makes it possible to drop a hack that
     second guessed the (insufficient) information provided by the
     emulator, and just do the right thing.

  Documentation:

   - Various updates and fixes, mostly for x86

   - MTRR and PAT fixes and optimizations"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (164 commits)
  KVM: selftests: Avoid using forced target for generating arm64 headers
  tools headers arm64: Fix references to top srcdir in Makefile
  KVM: arm64: Add tracepoint for MMIO accesses where ISV==0
  KVM: arm64: selftest: Perform ISB before reading PAR_EL1
  KVM: arm64: selftest: Add the missing .guest_prepare()
  KVM: arm64: Always invalidate TLB for stage-2 permission faults
  KVM: x86: Service NMI requests after PMI requests in VM-Enter path
  KVM: arm64: Handle AArch32 SPSR_{irq,abt,und,fiq} as RAZ/WI
  KVM: arm64: Do not let a L1 hypervisor access the *32_EL2 sysregs
  KVM: arm64: Refine _EL2 system register list that require trap reinjection
  arm64: Add missing _EL2 encodings
  arm64: Add missing _EL12 encodings
  KVM: selftests: aarch64: vPMU test for validating user accesses
  KVM: selftests: aarch64: vPMU register test for unimplemented counters
  KVM: selftests: aarch64: vPMU register test for implemented counters
  KVM: selftests: aarch64: Introduce vpmu_counter_access test
  tools: Import arm_pmuv3.h
  KVM: arm64: PMU: Allow userspace to limit PMCR_EL0.N for the guest
  KVM: arm64: Sanitize PM{C,I}NTEN{SET,CLR}, PMOVS{SET,CLR} before first run
  KVM: arm64: Add {get,set}_user for PM{C,I}NTEN{SET,CLR}, PMOVS{SET,CLR}
  ...
 2023-11-02 15:45:15 -10:00
Linus Torvalds
5be9911406 sh updates for v6.7 
- locking/atomic: sh: Use generic_cmpxchg_local for arch_cmpxchg_local()
 - Documentation: kernel-parameters: Add earlyprintk=bios on SH
 - sh: bios: Revive earlyprintk support
 - sh: machvec: Remove custom ioport_{un,}map()
 - sh: Remove superhyway bus support
 - sh: Remove unused SH4-202 support
 - sh: Remove stale microdev board
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Merge tag 'sh-for-v6.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux

Pull sh updates from John Paul Adrian Glaubitz:
 "While the previously announced patch series for converting arch/sh to
  device trees is not yet ready for inclusion to mainline and therefore
  didn't make it for this pull request, there are still a small number
  changes for v6.7 which include one platform (board plus CPU and driver
  code) removal plus two fixes.

  The removal sent in by Arnd Bergmann concerns the microdev board which
  was an early SuperH prototype board that was never used in production.
  With the board removed, we were able to drop the now unused code for
  the SH4-202 CPU and well as the driver code for the superhyway bus and
  a custom implementation for ioport_map() and ioport_unmap() which will
  allow us to simplify ioport handling in the future.

  Another patch set by Geert Uytterhoeven revives SuperH BIOS
  earlyprintk support which got accidentally disabled in
  e76fe57447 ("sh: Remove old early serial console code V2"), the
  second patch in the series updates the documentation.

  Finally, a patch by Masami Hiramatsu fixes a regression reported by
  the kernel test robot which uncovered that arch/sh is not implementing
  arch_cmpxchg_local() and therefore needs use __generic_cmpxchg_local()
  instead"

* tag 'sh-for-v6.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
  locking/atomic: sh: Use generic_cmpxchg_local for arch_cmpxchg_local()
  Documentation: kernel-parameters: Add earlyprintk=bios on SH
  sh: bios: Revive earlyprintk support
  sh: machvec: Remove custom ioport_{un,}map()
  sh: Remove superhyway bus support
  sh: Remove unused SH4-202 support
  sh: Remove stale microdev board
 2023-11-02 15:34:59 -10:00
Linus Torvalds
c9cacf7db3 ARM updates for v6.7-rc1 
Development updates for v6.7-rc1
 - fix some kernel-doc warnings
 - fix stack depot IRQ stack filter
 - cast memset() byte to unsigned char
 - explicitly include correct DI includes
 - fix ARCH_LOW_ADDRESS_LIMIT with CONFIG_ZONE_DMA
 - fix get_user() problems when linker uses a veneer
 - make including linux/uaccess.h self-contained on ARM
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - fix some kernel-doc warnings

 - fix stack depot IRQ stack filter

 - cast memset() byte to unsigned char

 - explicitly include correct DI includes

 - fix ARCH_LOW_ADDRESS_LIMIT with CONFIG_ZONE_DMA

 - fix get_user() problems when linker uses a veneer

 - make including linux/uaccess.h self-contained on ARM

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9326/1: make <linux/uaccess.h> self-contained for ARM
  ARM: 9324/1: fix get_user() broken with veneer
  ARM: 9323/1: mm: Fix ARCH_LOW_ADDRESS_LIMIT when CONFIG_ZONE_DMA
  ARM: 9322/1: Explicitly include correct DT includes
  ARM: 9321/1: memset: cast the constant byte to unsigned char
  ARM: 9320/1: fix stack depot IRQ stack filter
  ARM: 9319/1: sa1111: fix sa1111_probe kernel-doc warnings
 2023-11-02 15:32:53 -10:00
Linus Torvalds
8c04bddc27 m68knommu: updates and fixes for v6.7 
Fixes include.
 . improve default Kconfig ROM section settings
 . fix compilation for some Cleopatra boards
 . fixes and cleanups for warnings compiling with "W=1"
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Merge tag 'm68knommu-for-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

Pull m68knommu updates from Greg Ungerer:
 "A few changes, most of them related to fixing warnings when compiling
  with "W=1". These follow up Geert's recent changes for M68K for this
  too. These ones complete the fixes for the nommu and ColdFire specific
  code.

  Also a couple of other fixes to improve ROM default addressing and
  compiling for the Cleopatra boards.

  Summary:

   - improve default Kconfig ROM section settings

   - fix compilation for some Cleopatra boards

   - fixes and cleanups for warnings compiling with 'W=1'"

* tag 'm68knommu-for-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: 68000: fix warning in timer code
  m68k: 68000: fix warnings in 68000 interrupt handling
  m68k: coldfire: remove unused variable in MMU code
  m68k: coldfire: fix warnings in uboot argument processing
  m68k: coldfire: make mcf_maskimr() static
  m68k: coldfire: ensure gpio prototypes visible
  m68k: coldfire: add and use "vectors.h"
  m68knommu: fix compilation for ColdFire/Cleopatra boards
  m68knommu: improve config ROM setting defaults
 2023-11-02 15:31:01 -10:00
Linus Torvalds
43468456c9 RDMA for v6.7 
The usual collection of patches:
 
 - Bug fixes for hns, mlx5, and hfi1
 
 - Hardening patches for size_*, counted_by, strscpy
 
 - rts fixes from static analysis
 
 - Dump SRQ objects in rdma netlink, with hns support
 
 - Fix a performance regression in mlx5 MR deregistration
 
 - New XDR (200Gb/lane) link speed
 
 - SRQ record doorbell latency optimization for hns
 
 - IPSEC support for mlx5 multi-port mode
 
 - ibv_rereg_mr() support for irdma
 
 - Affiliated event support for bnxt_re
 
 - Opt out for the spec compliant qkey security enforcement as we
   discovered SW that breaks under enforcement
 
 - Comment and trivial updates
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "Nothing exciting this cycle, most of the diffstat is changing SPDX
  'or' to 'OR'.

  Summary:

   - Bugfixes for hns, mlx5, and hfi1

   - Hardening patches for size_*, counted_by, strscpy

   - rts fixes from static analysis

   - Dump SRQ objects in rdma netlink, with hns support

   - Fix a performance regression in mlx5 MR deregistration

   - New XDR (200Gb/lane) link speed

   - SRQ record doorbell latency optimization for hns

   - IPSEC support for mlx5 multi-port mode

   - ibv_rereg_mr() support for irdma

   - Affiliated event support for bnxt_re

   - Opt out for the spec compliant qkey security enforcement as we
     discovered SW that breaks under enforcement

   - Comment and trivial updates"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (50 commits)
  IB/mlx5: Fix init stage error handling to avoid double free of same QP and UAF
  RDMA/mlx5: Fix mkey cache WQ flush
  RDMA/hfi1: Workaround truncation compilation error
  IB/hfi1: Fix potential deadlock on &irq_src_lock and &dd->uctxt_lock
  RDMA/core: Remove NULL check before dev_{put, hold}
  RDMA/hfi1: Remove redundant assignment to pointer ppd
  RDMA/mlx5: Change the key being sent for MPV device affiliation
  RDMA/bnxt_re: Fix clang -Wimplicit-fallthrough in bnxt_re_handle_cq_async_error()
  RDMA/hns: Fix init failure of RoCE VF and HIP08
  RDMA/hns: Fix unnecessary port_num transition in HW stats allocation
  RDMA/hns: The UD mode can only be configured with DCQCN
  RDMA/hns: Add check for SL
  RDMA/hns: Fix signed-unsigned mixed comparisons
  RDMA/hns: Fix uninitialized ucmd in hns_roce_create_qp_common()
  RDMA/hns: Fix printing level of asynchronous events
  RDMA/core: Add support to set privileged QKEY parameter
  RDMA/bnxt_re: Do not report SRQ error in srq notification
  RDMA/bnxt_re: Report async events and errors
  RDMA/bnxt_re: Update HW interface headers
  IB/mlx5: Fix rdma counter binding for RAW QP
  ...
 2023-11-02 15:20:30 -10:00
Linus Torvalds
6ed92e559a SCSI misc on 20231102 
Updates to the usual drivers (ufs, megaraid_sas, lpfc, target, ibmvfc,
 scsi_debug) plus the usual assorted minor fixes and updates.  The
 major change this time around is a prep patch for rethreading of the
 driver reset handler API not to take a scsi_cmd structure which starts
 to reduce various drivers' dependence on scsi_cmd in error handling.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "Updates to the usual drivers (ufs, megaraid_sas, lpfc, target, ibmvfc,
  scsi_debug) plus the usual assorted minor fixes and updates.

  The major change this time around is a prep patch for rethreading of
  the driver reset handler API not to take a scsi_cmd structure which
  starts to reduce various drivers' dependence on scsi_cmd in error
  handling"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (132 commits)
  scsi: ufs: core: Leave space for '\0' in utf8 desc string
  scsi: ufs: core: Conversion to bool not necessary
  scsi: ufs: core: Fix race between force complete and ISR
  scsi: megaraid: Fix up debug message in megaraid_abort_and_reset()
  scsi: aic79xx: Fix up NULL command in ahd_done()
  scsi: message: fusion: Initialize return value in mptfc_bus_reset()
  scsi: mpt3sas: Fix loop logic
  scsi: snic: Remove useless code in snic_dr_clean_pending_req()
  scsi: core: Add comment to target_destroy in scsi_host_template
  scsi: core: Clean up scsi_dev_queue_ready()
  scsi: pmcraid: Add missing scsi_device_put() in pmcraid_eh_target_reset_handler()
  scsi: target: core: Fix kernel-doc comment
  scsi: pmcraid: Fix kernel-doc comment
  scsi: core: Handle depopulation and restoration in progress
  scsi: ufs: core: Add support for parsing OPP
  scsi: ufs: core: Add OPP support for scaling clocks and regulators
  scsi: ufs: dt-bindings: common: Add OPP table
  scsi: scsi_debug: Add param to control sdev's allow_restart
  scsi: scsi_debug: Add debugfs interface to fail target reset
  scsi: scsi_debug: Add new error injection type: Reset LUN failed
  ...
 2023-11-02 15:13:50 -10:00
Linus Torvalds
90a300dc05 libnvdimm updates for v6.7 
- updates to deprecated and changed interfaces
 - bug/kdoc fixes
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Merge tag 'libnvdimm-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Ira Weiny:

 - updates to deprecated and changed interfaces

 - bug/kdoc fixes

* tag 'libnvdimm-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  libnvdimm: remove kernel-doc warnings:
  testing: nvdimm: make struct class structures constant
  libnvdimm: Annotate struct nd_region with __counted_by
  nd_btt: Make BTT lanes preemptible
  libnvdimm/of_pmem: Use devm_kstrdup instead of kstrdup and check its return value
  dax: refactor deprecated strncpy
 2023-11-02 15:06:04 -10:00
Linus Torvalds
e576033588 Pull request for IPMI 
Well, only one change, and I would normally just wait, but it will make
 the people trying to get rid of strncpy happy.  Its a good change,
 anyway.
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Merge tag 'for-linus-6.7-1' of https://github.com/cminyard/linux-ipmi

Pull IPMI update from Corey Minyard:
 "Only one change, and I would normally just wait, but it will make the
  people trying to get rid of strncpy happy. Its a good change, anyway"

* tag 'for-linus-6.7-1' of https://github.com/cminyard/linux-ipmi:
  ipmi: refactor deprecated strncpy
 2023-11-02 15:01:33 -10:00
Linus Torvalds
431f105188 - Core Frameworks 
- Add support for a bunch more colours
 
  - New Drivers
    - Add support for Kinetic KTD2026/7 RGB/White LEDs
 
  - New Functionality
    - Add support for device to enter HW Controlled Mode to Turris Omnia LEDs
    - Add support for HW Gamma Correction to Turris Omnia LEDs
 
  - Fix-ups
    - Apply new __counted_by() annotation to several data structures containing flexible arrays
    - Rid the return value from Platform's .remove() operation
    - Use *_cansleep() variants for instances were threads can sleep
    - Improve the semantics when setting the brightness
    - Generic clean-ups; code reduction, coding style, standard patterns
    - Replace strncpy() with strscpy()
    - Fix-up / add various documentation
    - Re-author the GPIO associated Trigger to use trigger-sources
    - Move to using standard APIs and helpers
    - Improve error checking
    - Stop using static GPIO bases
 
  - Bug Fixes
    - Fix Pointer to Enum casing warnings
    - Do not pretend that I2C backed device supports SMBUS
    - Ensure PWM LEDs are extinguished when disabled, rather than held in a state
    - Fix 'output may be truncated' warnings
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Merge tag 'leds-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "Core Frameworks:
   - Add support for a bunch more colours

  New Drivers:
   - Add support for Kinetic KTD2026/7 RGB/White LEDs

  New Functionality:
   - Add support for device to enter HW Controlled Mode to Turris Omnia
     LEDs
   - Add support for HW Gamma Correction to Turris Omnia LEDs

  Fix-ups:
   - Apply new __counted_by() annotation to several data structures
     containing flexible arrays
   - Rid the return value from Platform's .remove() operation
   - Use *_cansleep() variants for instances were threads can sleep
   - Improve the semantics when setting the brightness
   - Generic clean-ups; code reduction, coding style, standard patterns
   - Replace strncpy() with strscpy()
   - Fix-up / add various documentation
   - Re-author the GPIO associated Trigger to use trigger-sources
   - Move to using standard APIs and helpers
   - Improve error checking
   - Stop using static GPIO bases

  Bug Fixes:
   - Fix Pointer to Enum casing warnings
   - Do not pretend that I2C backed device supports SMBUS
   - Ensure PWM LEDs are extinguished when disabled, rather than held in
     a state
   - Fix 'output may be truncated' warnings"

* tag 'leds-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (43 commits)
  leds: lp5521: Add an error check in lp5521_post_init_device
  leds: gpio: Update headers
  leds: gpio: Remove unneeded assignment
  leds: gpio: Move temporary variable for struct device to gpio_led_probe()
  leds: gpio: Refactor code to use devm_gpiod_get_index_optional()
  leds: gpio: Utilise PTR_ERR_OR_ZERO()
  leds: gpio: Keep driver firmware interface agnostic
  leds: core: Refactor led_update_brightness() to use standard pattern
  leds: turris-omnia: Fix brightness setting and trigger activating
  leds: sc27xx: Move mutex_init() down
  leds: trigger: netdev: Move size check in set_device_name
  leds: Add ktd202x driver
  dt-bindings: leds: Add Kinetic KTD2026/2027 LED
  leds: core: Add more colors from DT bindings to led_colors
  dt-bindings: leds: Last color ID is now 14 (LED_COLOR_ID_LIME)
  leds: tca6507: Don't use fixed GPIO base
  leds: lp3952: Convert to use maple tree register cache
  leds: lm392x: Convert to use maple tree register cache
  leds: aw200xx: Convert to use maple tree register cache
  leds: lm3601x: Convert to use maple tree register cache
  ...
 2023-11-02 14:53:19 -10:00
Linus Torvalds
38984d7872 - New Functionality 
- Add new Device Tree binding for Monolithic Power (MPS) MP3309C step-up converter
    - Document brightness-levels in bindings for; generic, LED and PWM
 
  - Bug Fixes
    - Ensure PWMs are disabled on; .shutdown(), .suspend() and .remove()
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Merge tag 'backlight-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Functionality:

   - Add new Device Tree binding for Monolithic Power (MPS) MP3309C
     step-up converter

   - Document brightness-levels in bindings for; generic, LED and PWM

  Bug Fixes:

   - Ensure PWMs are disabled on .shutdown(), .suspend() and .remove()"

* tag 'backlight-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  dt-bindings: backlight: Add brightness-levels related common properties
  backlight: pwm_bl: Disable PWM on shutdown, suspend and remove
  dt-bindings: backlight: Add MPS MP3309C
 2023-11-02 14:46:31 -10:00
Linus Torvalds
27bc0782ef - Core Frameworks 
- Allow all MFD Cell properties to be filled in dynamically at runtime
    - Skip disabled device nodes and continue to look for subsequent devices
 
  - New Device Support
    - Add support for Lunar Lake-M PCI to Intel LPSS PCI
    - Add support for Denverton to Intel ICH LPC
 
  - New Functionality
    - Add support for Clocks to Texas Instruments TWL* Core
    - Add support for Interrupts to STMicroelectronics STM32 Timers
 
  - Fix-ups
    - Convert to new devm-* (managed) power-off API
    - Remove superfluous code
    - Bunch of Device Tree additions, conversions and adaptions
    - Simplify obtaining resources (memory, device data) using unified API helpers
    - Trivial coding-style / spelling type clean-ups
    - Constify / staticify changes
    - Expand or edit on existing documentation
    - Convert some Regmap configurations to use the Maple Tree cache
    - Apply new __counted_by() annotation to several data structures containing flexible arrays
    - Replace strncpy() with strscpy()
 
  - Bug Fixes
    - Remove double put creating reference imbalances
    - Ensure headphone/lineout detection sets set when booting with ACPI
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Merge tag 'mfd-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Allow all MFD Cell properties to be filled in dynamically at
     runtime
   - Skip disabled device nodes and continue to look for subsequent
     devices

  New Device Support:
   - Add support for Lunar Lake-M PCI to Intel LPSS PCI
   - Add support for Denverton to Intel ICH LPC

  New Functionality:
   - Add support for Clocks to Texas Instruments TWL* Core
   - Add support for Interrupts to STMicroelectronics STM32 Timers

  Fix-ups:
   - Convert to new devm-* (managed) power-off API
   - Remove superfluous code
   - Bunch of Device Tree additions, conversions and adaptions
   - Simplify obtaining resources (memory, device data) using unified
     API helpers
   - Trivial coding-style / spelling type clean-ups
   - Constify / staticify changes
   - Expand or edit on existing documentation
   - Convert some Regmap configurations to use the Maple Tree cache
   - Apply new __counted_by() annotation to several data structures
     containing flexible arrays
   - Replace strncpy() with strscpy()

  Bug Fixes:
   - Remove double put creating reference imbalances
   - Ensure headphone/lineout detection gets set when booting with ACPI"

* tag 'mfd-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (73 commits)
  mfd: lpc_ich: Mark *_gpio_offsets data with const
  spmi: rename spmi device lookup helper
  spmi: document spmi_device_from_of() refcounting
  dt-bindings: mfd: armltd: Move Arm board syscon's to separate schema
  mfd: rk8xx: Add support for RK806 power off
  mfd: rk8xx: Add support for standard system-power-controller property
  dt-bindings: mfd: rk806: Allow system-power-controller property
  dt-bindings: mfd: rk8xx: Deprecate rockchip,system-power-controller
  dt-bindings: mfd: max8925: Convert to DT schema format
  mfd: Use i2c_get_match_data() in a selection of drivers
  mfd: Use device_get_match_data() in a bunch of drivers
  mfd: mc13xxx-spi/wm831x-spi: Use spi_get_device_match_data()
  mfd: motorola-cpcap: Drop unnecessary of_match_device() call
  mfd: arizona-spi: Set pdata.hpdet_channel for ACPI enumerated devs
  mfd: qcom-spmi-pmic: Switch to EXPORT_SYMBOL_GPL()
  mfd: qcom-spmi-pmic: Fix revid implementation
  mfd: qcom-spmi-pmic: Fix reference leaks in revid helper
  mfd: intel-m10-bmc: Change contact for ABI docs
  mfd: max8907: Convert to use maple tree register cache
  mfd: max77686: Convert to use maple tree register cache
  ...
 2023-11-02 14:40:51 -10:00
Linus Torvalds
edd8e84ae9 sound updates for 6.7 
Most of changes at this time are for ASoC, spread over ASoC core and
 drivers due to the API prefix standardization.  Other than that, there
 have little change wrt API, rather lots of driver-specific updates and
 fixes.  Some highlight below:
 
 ASoC:
 - Standardization of API prefix
 - GPIO API usage improvements
 - Support for HDA patches
 - Lots of work on SOF, including crash dump support
 - Fixes for noise when stopping some Sounwire CODECs
 - Support for AMD platforms with es83xx, AMD ACP 6.3 and 7.0, Awinc
   AT87390 and AW88399, many Intel platforms, many Mediatek platforms,
   Qualcomm SM6115 and SC7180 platforms, Richtek RTQ9128 and Texas
   Instruments TAS575x
 
 HD-audio and USB-audio:
 - Deferred probe support of audio component binding
 - More fixes and enhancements for Cirrus subcodecs
 - USB Scarlett2 mixer and McIntosh DSD quirk
 
 Others:
 - More enhancement of snd-aloop driver
 - Update MAINTAINERS entry for linux-sound mailing list
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Merge tag 'sound-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "Most of changes at this time are for ASoC, spread over ASoC core and
  drivers due to the API prefix standardization.

  Other than that, there have little change wrt API, rather lots of
  driver-specific updates and fixes.

  Some highlight below:

  ASoC:
   - Standardization of API prefix
   - GPIO API usage improvements
   - Support for HDA patches
   - Lots of work on SOF, including crash dump support
   - Fixes for noise when stopping some Sounwire CODECs
   - Support for AMD platforms with es83xx, AMD ACP 6.3 and 7.0, Awinc
     AT87390 and AW88399, many Intel platforms, many Mediatek platforms,
     Qualcomm SM6115 and SC7180 platforms, Richtek RTQ9128 and Texas
     Instruments TAS575x

  HD-audio and USB-audio:
   - Deferred probe support of audio component binding
   - More fixes and enhancements for Cirrus subcodecs
   - USB Scarlett2 mixer and McIntosh DSD quirk

  Others:
   - More enhancement of snd-aloop driver
   - Update MAINTAINERS entry for linux-sound mailing list"

* tag 'sound-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (485 commits)
  ALSA: hda: cs35l41: Fix missing error code in cs35l41_smart_amp()
  ALSA: hda: cs35l41: mark cs35l41_verify_id() static
  ASoC: codecs: wsa883x: make use of new mute_unmute_on_trigger flag
  ASoC: soc-dai: add flag to mute and unmute stream during trigger
  ASoC: ams-delta.c: use component after check
  ASoC: amd: acp: select SND_SOC_AMD_ACP_LEGACY_COMMON for ACP63
  ASoC: codecs: aw88399: fix typo in Kconfig select
  ASoC: amd: acp: add ACPI dependency
  ASoC: Intel: avs: Add rt5514 machine board
  ASoC: Intel: avs: Add rt5514 machine board
  ALSA: scarlett2: Add missing check with firmware version control
  ALSA: virtio: use ack callback
  ALSA: scarlett2: Remap Level Meter values
  ALSA: scarlett2: Allow passing any output to line_out_remap()
  ALSA: scarlett2: Add support for reading firmware version
  ALSA: scarlett2: Rename Gen 3 config sets
  ALSA: scarlett2: Rename scarlett_gen2 to scarlett2
  ASoC: cs35l41: Detect CSPL errors when sending CSPL commands
  ALSA: hda: cs35l41: Check CSPL state after loading firmware
  ALSA: hda: cs35l41: Do not unload firmware before reset in system suspend
  ...
 2023-11-02 14:34:14 -10:00
Linus Torvalds
4ea4ed22b5 for-linus-2023110101 
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Merge tag 'for-linus-2023110101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - fixes for crashes detected by CONFIG_KUNIT_ALL_TESTS in hid-uclogic
   driver (Jinjie Ruan)

 - HID selftests fixes and improvements (Benjamin Tissoires)

 - probe error handling path fixes in hid-nvidia-shield driver
   (Christophe JAILLET)

 - cleanup of LED handling in hid-nintendo (Martino Fontana)

 - big cleanup of logitech-hidpp probe code (Hans de Goede)

 - Suspend/Resume fix for USB Thinkpad Compact Keyboard (Jamie Lentin)

 - firmware detection improvement for Lenovo cptkbd (Mikhail
   Khvainitski)

 - IRQ shutdown and workqueue initialization fixes for hid-cp2112 driver
   (Danny Kaehn)

 - #ifdef CONFIG_PM removal from HID code (Thomas Weißschuh)

 - other assorted device-ID additions and quirks

* tag 'for-linus-2023110101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (31 commits)
  HID: Add quirk for Dell Pro Wireless Keyboard and Mouse KM5221W
  HID: logitech-hidpp: Stop IO before calling hid_connect()
  HID: logitech-hidpp: Drop HIDPP_QUIRK_UNIFYING
  HID: logitech-hidpp: Drop delayed_work_cb()
  HID: logitech-hidpp: Fix connect event race
  HID: logitech-hidpp: Remove unused connected param from *_connect()
  HID: logitech-hidpp: Remove connected check for non-unifying devices
  HID: logitech-hidpp: Add hidpp_non_unifying_init() helper
  HID: logitech-hidpp: Move hidpp_overwrite_name() to before connect check
  HID: logitech-hidpp: Move g920_get_config() to just before hidpp_ff_init()
  HID: logitech-hidpp: Remove wtp_get_config() call from probe()
  HID: logitech-hidpp: Move get_wireless_feature_index() check to hidpp_connect_event()
  HID: logitech-hidpp: Revert "Don't restart communication if not necessary"
  HID: logitech-hidpp: Don't restart IO, instead defer hid_connect() only
  HID: rmi: remove #ifdef CONFIG_PM
  HID: multitouch: remove #ifdef CONFIG_PM
  HID: usbhid: remove #ifdef CONFIG_PM
  HID: core: remove #ifdef CONFIG_PM from hid_driver
  hid: lenovo: Resend all settings on reset_resume for compact keyboards
  HID: uclogic: Fix a work->entry not empty bug in __queue_work()
  ...
 2023-11-02 14:29:10 -10:00
Linus Torvalds
27beb3ca34 pci-v6.7-changes 
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Merge tag 'pci-v6.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci updates from Bjorn Helgaas:
 "Enumeration:

   - Use acpi_evaluate_dsm_typed() instead of open-coding _DSM
     evaluation to learn device characteristics (Andy Shevchenko)

   - Tidy multi-function header checks using new PCI_HEADER_TYPE_MASK
     definition (Ilpo Järvinen)

   - Simplify config access error checking in various drivers (Ilpo
     Järvinen)

   - Use pcie_capability_clear_word() (not
     pcie_capability_clear_and_set_word()) when only clearing (Ilpo
     Järvinen)

   - Add pci_get_base_class() to simplify finding devices using base
     class only (ignoring subclass and programming interface) (Sui
     Jingfeng)

   - Add pci_is_vga(), which includes ancient PCI_CLASS_NOT_DEFINED_VGA
     devices from before the Class Code was added to PCI (Sui Jingfeng)

   - Use pci_is_vga() for vgaarb, sysfs "boot_vga", virtio, qxl to
     include ancient VGA devices (Sui Jingfeng)

  Resource management:

   - Make pci_assign_unassigned_resources() non-init because sparc uses
     it after init (Randy Dunlap)

  Driver binding:

   - Retain .remove() and .probe() callbacks (previously __init) because
     sysfs may cause them to be called later (Uwe Kleine-König)

   - Prevent xHCI driver from claiming AMD VanGogh USB3 DRD device, so
     it can be claimed by dwc3 instead (Vicki Pfau)

  PCI device hotplug:

   - Add Ampere Altra Attention Indicator extension driver for acpiphp
     (D Scott Phillips)

  Power management:

   - Quirk VideoPropulsion Torrent QN16e with longer delay after reset
     (Lukas Wunner)

   - Prevent users from overriding drivers that say we shouldn't use
     D3cold (Lukas Wunner)

   - Avoid PME from D3hot/D3cold for AMD Rembrandt and Phoenix USB4
     because wakeup interrupts from those states don't work if amd-pmc
     has put the platform in a hardware sleep state (Mario Limonciello)

  IOMMU:

   - Disable ATS for Intel IPU E2000 devices with invalidation message
     endianness erratum (Bartosz Pawlowski)

  Error handling:

   - Factor out interrupt enable/disable into helpers (Kai-Heng Feng)

  Peer-to-peer DMA:

   - Fix flexible-array usage in struct pci_p2pdma_pagemap in case we
     ever use pagemaps with multiple entries (Gustavo A. R. Silva)

  ASPM:

   - Revert a change that broke when drivers disabled L1 and users later
     enabled an L1.x substate via sysfs, and fix a similar issue when
     users disabled L1 via sysfs (Heiner Kallweit)

  Endpoint framework:

   - Fix double free in __pci_epc_create() (Dan Carpenter)

   - Use IS_ERR_OR_NULL() to simplify endpoint core (Ruan Jinjie)

  Cadence PCIe controller driver:

   - Drop unused "is_rc" member (Li Chen)

  Freescale Layerscape PCIe controller driver:

   - Enable 64-bit addressing in endpoint mode (Guanhua Gao)

  Intel VMD host bridge driver:

   - Fix multi-function header check (Ilpo Järvinen)

  Microsoft Hyper-V host bridge driver:

   - Annotate struct hv_dr_state with __counted_by (Kees Cook)

  NVIDIA Tegra194 PCIe controller driver:

   - Drop setting of LNKCAP_MLW (max link width) since dw_pcie_setup()
     already does this via dw_pcie_link_set_max_link_width() (Yoshihiro
     Shimoda)

  Qualcomm PCIe controller driver:

   - Use PCIE_SPEED2MBS_ENC() to simplify encoding of link speed
     (Manivannan Sadhasivam)

   - Add a .write_dbi2() callback so DBI2 register writes, e.g., for
     setting the BAR size, work correctly (Manivannan Sadhasivam)

   - Enable ASPM for platforms that use 1.9.0 ops, because the PCI core
     doesn't enable ASPM states that haven't been enabled by the
     firmware (Manivannan Sadhasivam)

  Renesas R-Car Gen4 PCIe controller driver:

   - Add DesignWare core support (set max link width, EDMA_UNROLL flag,
     .pre_init(), .deinit(), etc) for use by R-Car Gen4 driver
     (Yoshihiro Shimoda)

   - Add driver and DT schema for DesignWare-based Renesas R-Car Gen4
     controller in both host and endpoint mode (Yoshihiro Shimoda)

  Xilinx NWL PCIe controller driver:

   - Update ECAM size to support 256 buses (Thippeswamy Havalige)

   - Stop setting bridge primary/secondary/subordinate bus numbers,
     since PCI core does this (Thippeswamy Havalige)

  Xilinx XDMA controller driver:

   - Add driver and DT schema for Zynq UltraScale+ MPSoCs devices with
     Xilinx XDMA Soft IP (Thippeswamy Havalige)

  Miscellaneous:

   - Use FIELD_GET()/FIELD_PREP() to simplify and reduce use of _SHIFT
     macros (Ilpo Järvinen, Bjorn Helgaas)

   - Remove logic_outb(), _outw(), outl() duplicate declarations (John
     Sanpe)

   - Replace unnecessary UTF-8 in Kconfig help text because menuconfig
     doesn't render it correctly (Liu Song)"

* tag 'pci-v6.7-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (102 commits)
  PCI: qcom-ep: Add dedicated callback for writing to DBI2 registers
  PCI: Simplify pcie_capability_clear_and_set_word() to ..._clear_word()
  PCI: endpoint: Fix double free in __pci_epc_create()
  PCI: xilinx-xdma: Add Xilinx XDMA Root Port driver
  dt-bindings: PCI: xilinx-xdma: Add schemas for Xilinx XDMA PCIe Root Port Bridge
  PCI: xilinx-cpm: Move IRQ definitions to a common header
  PCI: xilinx-nwl: Modify ECAM size to enable support for 256 buses
  PCI: xilinx-nwl: Rename the NWL_ECAM_VALUE_DEFAULT macro
  dt-bindings: PCI: xilinx-nwl: Modify ECAM size in the DT example
  PCI: xilinx-nwl: Remove redundant code that sets Type 1 header fields
  PCI: hotplug: Add Ampere Altra Attention Indicator extension driver
  PCI/AER: Factor out interrupt toggling into helpers
  PCI: acpiphp: Allow built-in drivers for Attention Indicators
  PCI/portdrv: Use FIELD_GET()
  PCI/VC: Use FIELD_GET()
  PCI/PTM: Use FIELD_GET()
  PCI/PME: Use FIELD_GET()
  PCI/ATS: Use FIELD_GET()
  PCI/ATS: Show PASID Capability register width in bitmasks
  PCI/ASPM: Fix L1 substate handling in aspm_attr_store_common()
  ...
 2023-11-02 14:05:18 -10:00
Linus Torvalds
4652b8e4f3 7 ksmbd server fixes 
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Merge tag '6.7-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd

Pull smb server updates from Steve French:
 "Seven ksmbd server fixes:

   - logoff improvement for multichannel bound connections

   - unicode fix for surrogate pairs

   - RDMA (smbdirect) fix for IB devices

   - fix locking deadlock in kern_path_create during rename

   - iov memory allocation fix

   - two minor cleanup patches (doc cleanup, and unused variable)"

* tag '6.7-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
  ksmbd: no need to wait for binded connection termination at logoff
  ksmbd: add support for surrogate pair conversion
  ksmbd: fix missing RDMA-capable flag for IPoIB device in ksmbd_rdma_capable_netdev()
  ksmbd: fix recursive locking in vfs helpers
  ksmbd: fix kernel-doc comment of ksmbd_vfs_setxattr()
  ksmbd: reorganize ksmbd_iov_pin_rsp()
  ksmbd: Remove unused field in ksmbd_user struct
 2023-11-02 08:32:07 -10:00
Linus Torvalds
71fb7b320b \n 
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Merge tag 'fsnotify_for_v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull fsnotify update from Jan Kara:
 "This time just one tiny cleanup for fsnotify"

* tag 'fsnotify_for_v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  fanotify: delete useless parenthesis in FANOTIFY_INLINE_FH macro
 2023-11-02 08:27:04 -10:00
Linus Torvalds
5efad0a765 \n 
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Merge tag 'fs_for_v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull ext2, udf, and quota updates from Jan Kara:

 - conversion of ext2 directory code to use folios

 - cleanups in UDF declarations

 - bugfix for quota interaction with file encryption

* tag 'fs_for_v6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  ext2: Convert ext2_prepare_chunk and ext2_commit_chunk to folios
  ext2: Convert ext2_make_empty() to use a folio
  ext2: Convert ext2_unlink() and ext2_rename() to use folios
  ext2: Convert ext2_delete_entry() to use folios
  ext2: Convert ext2_empty_dir() to use a folio
  ext2: Convert ext2_add_link() to use a folio
  ext2: Convert ext2_readdir to use a folio
  ext2: Add ext2_get_folio()
  ext2: Convert ext2_check_page to ext2_check_folio
  highmem: Add folio_release_kmap()
  udf: Avoid unneeded variable length array in struct fileIdentDesc
  udf: Annotate struct udf_bitmap with __counted_by
  quota: explicitly forbid quota files from being encrypted
 2023-11-02 08:19:51 -10:00
Linus Torvalds
e9806ff8a0 Minor stability improvements 
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Merge tag 'jfs-6.7' of https://github.com/kleikamp/linux-shaggy

Pull jfs updates from Dave Kleikamp:
 "Minor stability improvements"

* tag 'jfs-6.7' of https://github.com/kleikamp/linux-shaggy:
  jfs: define xtree root and page independently
  jfs: fix array-index-out-of-bounds in diAlloc
  jfs: fix array-index-out-of-bounds in dbFindLeaf
  fs/jfs: Add validity check for db_maxag and db_agpref
  fs/jfs: Add check for negative db_l2nbperpage
 2023-11-02 08:08:28 -10:00
Linus Torvalds
dc737f11c2 Description for this pull request: 
- Add ioctls to get and set file attribute that used in fatattr util.
   - Add zero_size_dir mount option not to allocate a cluster when creating directory.
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Merge tag 'exfat-for-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat

Pull exfat updates from Namjae Jeon:

 - Add ioctls to get and set file attribute that is used in
   the fatattr util

 - Add zero_size_dir mount option to avoid allocating a cluster
   when creating a directory

* tag 'exfat-for-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: support create zero-size directory
  exfat: support handle zero-size directory
  exfat: add ioctls for accessing attributes
 2023-11-02 08:00:53 -10:00
Linus Torvalds
87a201b43b Changes since last update: 
- Fix inode metadata space layout documentation;
 
  - Avoid warning MicroLZMA format anymore;
 
  - Fix erofs_insert_workgroup() lockref usage;
 
  - Some cleanups.
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Merge tag 'erofs-for-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs updates from Gao Xiang:
 "Nothing exciting lands for this cycle, since we're still busying in
  developing support for sub-page blocks and large-folios of compressed
  data for new scenarios on Android.

  In this cycle, MicroLZMA format is marked as stable, and there are
  minor cleanups around documentation and codebase. In addition, it also
  fixes incorrect lockref usage in erofs_insert_workgroup().

  Summary:

   - Fix inode metadata space layout documentation

   - Avoid warning for MicroLZMA format anymore

   - Fix erofs_insert_workgroup() lockref usage

   - Some cleanups"

* tag 'erofs-for-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: fix erofs_insert_workgroup() lockref usage
  erofs: tidy up redundant includes
  erofs: get rid of ROOT_NID()
  erofs: simplify compression configuration parser
  erofs: don't warn MicroLZMA format anymore
  erofs: fix inode metadata space layout description in documentation
 2023-11-02 07:53:57 -10:00
Linus Torvalds
57aff99745 Cleanup ext4's multi-block allocator, including adding some unit 
tests, as well as cleaning how we update the backup superblock after
 online resizes or updating the label or uuid.
 
 Optimize handling of released data blocks in ext4's commit machinery
 to avoid a potential lock contention on s_md_lock spinlock.
 
 Fix a number of ext4 bugs:
 
  - fix race between writepages and remount
  - fix racy may inline data check in dio write
  - add missed brelse in an error path in update_backups
  - fix umask handling when ACL support is disabled
  - fix lost EIO error when a journal commit races with a fsync of the
    blockdev
  - fix potential improper i_size when there is a crash right after an
    O_SYNC direct  write.
  - check extent node for validity before potentially using what might
    be an invalid pointer
  - fix potential stale data exposure when writing to an unwritten extent
    and the file system is nearly out of space
  - fix potential accounting error around block reservations when writing
    partial delayed allocation writes to a bigalloc cluster
  - avoid memory allocation failure when tracking partial delayed allocation
    writes to a bigalloc cluster
  - fix various debugging print messages
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Merge tag 'ext4_for_linus-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Cleanup ext4's multi-block allocator, including adding some unit
  tests, as well as cleaning how we update the backup superblock after
  online resizes or updating the label or uuid.

  Optimize handling of released data blocks in ext4's commit machinery
  to avoid a potential lock contention on s_md_lock spinlock.

  Fix a number of ext4 bugs:

   - fix race between writepages and remount

   - fix racy may inline data check in dio write

   - add missed brelse in an error path in update_backups

   - fix umask handling when ACL support is disabled

   - fix lost EIO error when a journal commit races with a fsync of the
     blockdev

   - fix potential improper i_size when there is a crash right after an
     O_SYNC direct write.

   - check extent node for validity before potentially using what might
     be an invalid pointer

   - fix potential stale data exposure when writing to an unwritten
     extent and the file system is nearly out of space

   - fix potential accounting error around block reservations when
     writing partial delayed allocation writes to a bigalloc cluster

   - avoid memory allocation failure when tracking partial delayed
     allocation writes to a bigalloc cluster

   - fix various debugging print messages"

* tag 'ext4_for_linus-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (41 commits)
  ext4: properly sync file size update after O_SYNC direct IO
  ext4: fix racy may inline data check in dio write
  ext4: run mballoc test with different layouts setting
  ext4: add first unit test for ext4_mb_new_blocks_simple in mballoc
  ext4: add some kunit stub for mballoc kunit test
  ext4: call ext4_mb_mark_context in ext4_group_add_blocks()
  ext4: Separate block bitmap and buddy bitmap freeing in ext4_group_add_blocks()
  ext4: call ext4_mb_mark_context in ext4_mb_clear_bb
  ext4: Separate block bitmap and buddy bitmap freeing in ext4_mb_clear_bb()
  ext4: call ext4_mb_mark_context in ext4_mb_mark_diskspace_used
  ext4: extend ext4_mb_mark_context to support allocation under journal
  ext4: call ext4_mb_mark_context in ext4_free_blocks_simple
  ext4: factor out codes to update block bitmap and group descriptor on disk from ext4_mb_mark_bb
  ext4: make state in ext4_mb_mark_bb to be bool
  jbd2: fix potential data lost in recovering journal raced with synchronizing fs bdev
  ext4: apply umask if ACL support is disabled
  ext4: mark buffer new if it is unwritten to avoid stale data exposure
  ext4: move 'ix' sanity check to corrent position
  jbd2: fix printk format type for 'io_block' in do_one_pass()
  jbd2: print io_block if check data block checksum failed when do recovery
  ...
 2023-11-02 07:45:14 -10:00
Linus Torvalds
91a683cdf6 dlm for 6.7 
This set of patches has some minor fixes for message handling, some misc
 cleanups, and updates the maintainers entry.
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Merge tag 'dlm-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:
 "This set of patches has some minor fixes for message handling, some
  misc cleanups, and updates the maintainers entry"

* tag 'dlm-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  MAINTAINERS: Update dlm maintainer and web page
  dlm: slow down filling up processing queue
  dlm: fix no ack after final message
  dlm: be sure we reset all nodes at forced shutdown
  dlm: fix remove member after close call
  dlm: fix creating multiple node structures
  fs: dlm: Remove some useless memset()
  fs: dlm: Fix the size of a buffer in dlm_create_debug_file()
  fs: dlm: Simplify buffer size computation in dlm_create_debug_file()
 2023-11-02 07:40:07 -10:00
Andrea Righi
17fc8084aa module/decompress: use kvmalloc() consistently 
We consistently switched from kmalloc() to vmalloc() in module
decompression to prevent potential memory allocation failures with large
modules, however vmalloc() is not as memory-efficient and fast as
kmalloc().

Since we don't know in general the size of the workspace required by the
decompression algorithm, it is more reasonable to use kvmalloc()
consistently, also considering that we don't have special memory
requirements here.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2023-11-02 07:35:39 -10:00
Linus Torvalds
ca219be012 integrity-v6.7 
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Merge tag 'integrity-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull integrity updates from Mimi Zohar:
 "Four integrity changes: two IMA-overlay updates, an integrity Kconfig
  cleanup, and a secondary keyring update"

* tag 'integrity-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  ima: detect changes to the backing overlay file
  certs: Only allow certs signed by keys on the builtin keyring
  integrity: fix indentation of config attributes
  ima: annotate iint mutex to avoid lockdep false positive warnings
 2023-11-02 06:53:22 -10:00
Masami Hiramatsu
63f1ee2061 locking/atomic: sh: Use generic_cmpxchg_local for arch_cmpxchg_local() 
Use __generic_cmpxchg_local() for arch_cmpxchg_local() implementation
on SH architecture because it does not implement arch_cmpxchg_local().

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310241310.Ir5uukOG-lkp@intel.com/
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/169824660459.24340.14614817132696360531.stgit@devnote2
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
 2023-11-02 10:13:12 +01:00
Linus Torvalds
21e80f3841 Modules changes for v6.7-rc1 
The only thing worth highligthing is that gzip moves to use vmalloc() instead of
 kmalloc just as we had a fix for this for zstd on v6.6-rc1. The rest is regular
 house keeping, keeping things neat, tidy, and boring.
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Merge tag 'modules-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull modules updates from Luis Chamberlain:
 "The only thing worth highligthing is that gzip moves to use vmalloc()
  instead of kmalloc just as we had a fix for this for zstd on v6.6-rc1.

  The rest is regular house keeping, keeping things neat, tidy, and
  boring"

[ The kmalloc -> vmalloc conversion is not the right approach.

  Unless you know you need huge areas or know you need to use virtual
  mappings for some reason (playing with protection bits or whatever),
  you should use kvmalloc()/kvfree, which automatically picks the right
  allocation model    - Linus ]

* tag 'modules-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  module: Annotate struct module_notes_attrs with __counted_by
  module: Fix comment typo
  module: Make is_valid_name() return bool
  module: Make is_mapping_symbol() return bool
  module/decompress: use vmalloc() for gzip decompression workspace
  MAINTAINERS: add include/linux/module*.h to modules
  module: Clarify documentation of module_param_call()
 2023-11-01 21:09:37 -10:00
Linus Torvalds
426ee5196d sysctl-6.7-rc1 
To help make the move of sysctls out of kernel/sysctl.c not incur a size
 penalty sysctl has been changed to allow us to not require the sentinel, the
 final empty element on the sysctl array. Joel Granados has been doing all this
 work. On the v6.6 kernel we got the major infrastructure changes required to
 support this. For v6.7-rc1 we have all arch/ and drivers/ modified to remove
 the sentinel. Both arch and driver changes have been on linux-next for a bit
 less than a month. It is worth re-iterating the value:
 
   - this helps reduce the overall build time size of the kernel and run time
      memory consumed by the kernel by about ~64 bytes per array
   - the extra 64-byte penalty is no longer inncurred now when we move sysctls
     out from kernel/sysctl.c to their own files
 
 For v6.8-rc1 expect removal of all the sentinels and also then the unneeded
 check for procname == NULL.
 
 The last 2 patches are fixes recently merged by Krister Johansen which allow
 us again to use softlockup_panic early on boot. This used to work but the
 alias work broke it. This is useful for folks who want to detect softlockups
 super early rather than wait and spend money on cloud solutions with nothing
 but an eventual hung kernel. Although this hadn't gone through linux-next it's
 also a stable fix, so we might as well roll through the fixes now.
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Merge tag 'sysctl-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull sysctl updates from Luis Chamberlain:
 "To help make the move of sysctls out of kernel/sysctl.c not incur a
  size penalty sysctl has been changed to allow us to not require the
  sentinel, the final empty element on the sysctl array. Joel Granados
  has been doing all this work. On the v6.6 kernel we got the major
  infrastructure changes required to support this. For v6.7-rc1 we have
  all arch/ and drivers/ modified to remove the sentinel. Both arch and
  driver changes have been on linux-next for a bit less than a month. It
  is worth re-iterating the value:

   - this helps reduce the overall build time size of the kernel and run
     time memory consumed by the kernel by about ~64 bytes per array

   - the extra 64-byte penalty is no longer inncurred now when we move
     sysctls out from kernel/sysctl.c to their own files

  For v6.8-rc1 expect removal of all the sentinels and also then the
  unneeded check for procname == NULL.

  The last two patches are fixes recently merged by Krister Johansen
  which allow us again to use softlockup_panic early on boot. This used
  to work but the alias work broke it. This is useful for folks who want
  to detect softlockups super early rather than wait and spend money on
  cloud solutions with nothing but an eventual hung kernel. Although
  this hadn't gone through linux-next it's also a stable fix, so we
  might as well roll through the fixes now"

* tag 'sysctl-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: (23 commits)
  watchdog: move softlockup_panic back to early_param
  proc: sysctl: prevent aliased sysctls from getting passed to init
  intel drm: Remove now superfluous sentinel element from ctl_table array
  Drivers: hv: Remove now superfluous sentinel element from ctl_table array
  raid: Remove now superfluous sentinel element from ctl_table array
  fw loader: Remove the now superfluous sentinel element from ctl_table array
  sgi-xp: Remove the now superfluous sentinel element from ctl_table array
  vrf: Remove the now superfluous sentinel element from ctl_table array
  char-misc: Remove the now superfluous sentinel element from ctl_table array
  infiniband: Remove the now superfluous sentinel element from ctl_table array
  macintosh: Remove the now superfluous sentinel element from ctl_table array
  parport: Remove the now superfluous sentinel element from ctl_table array
  scsi: Remove now superfluous sentinel element from ctl_table array
  tty: Remove now superfluous sentinel element from ctl_table array
  xen: Remove now superfluous sentinel element from ctl_table array
  hpet: Remove now superfluous sentinel element from ctl_table array
  c-sky: Remove now superfluous sentinel element from ctl_talbe array
  powerpc: Remove now superfluous sentinel element from ctl_table arrays
  riscv: Remove now superfluous sentinel element from ctl_table array
  x86/vdso: Remove now superfluous sentinel element from ctl_table array
  ...
 2023-11-01 20:51:41 -10:00
Linus Torvalds
babe393974 The number of commits for documentation is not huge this time around, but 
there are some significant changes nonetheless:
 
 - Some more Spanish-language and Chinese translations.
 
 - The much-discussed documentation of the confidential-computing threat
   model.
 
 - Powerpc and RISCV documentation move under Documentation/arch - these
   complete this particular bit of documentation churn.
 
 - A large traditional-Chinese documentation update.
 
 - A new document on backporting and conflict resolution.
 
 - Some kernel-doc and Sphinx fixes.
 
 Plus the usual smattering of smaller updates and typo fixes.
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Merge tag 'docs-6.7' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "The number of commits for documentation is not huge this time around,
  but there are some significant changes nonetheless:

   - Some more Spanish-language and Chinese translations

   - The much-discussed documentation of the confidential-computing
     threat model

   - Powerpc and RISCV documentation move under Documentation/arch -
     these complete this particular bit of documentation churn

   - A large traditional-Chinese documentation update

   - A new document on backporting and conflict resolution

   - Some kernel-doc and Sphinx fixes

  Plus the usual smattering of smaller updates and typo fixes"

* tag 'docs-6.7' of git://git.lwn.net/linux: (40 commits)
  scripts/kernel-doc: Fix the regex for matching -Werror flag
  docs: backporting: address feedback
  Documentation: driver-api: pps: Update PPS generator documentation
  speakup: Document USB support
  doc: blk-ioprio: Bring the doc in line with the implementation
  docs: usb: fix reference to nonexistent file in UVC Gadget
  docs: doc-guide: mention 'make refcheckdocs'
  Documentation: fix typo in dynamic-debug howto
  scripts/kernel-doc: match -Werror flag strictly
  Documentation/sphinx: Remove the repeated word "the" in comments.
  docs: sparse: add SPDX-License-Identifier
  docs/zh_CN: Add subsystem-apis Chinese translation
  docs/zh_TW: update contents for zh_TW
  docs: submitting-patches: encourage direct notifications to commenters
  docs: add backporting and conflict resolution document
  docs: move riscv under arch
  docs: update link to powerpc/vmemmap_dedup.rst
  mm/memory-hotplug: fix typo in documentation
  docs: move powerpc under arch
  PCI: Update the devres documentation regarding to pcim_*()
  ...
 2023-11-01 17:11:41 -10:00
Linus Torvalds
7dc0e9c7dd linux_kselftest-next-6.7-rc1 
This kselftest update for Linux 6.7-rc1 consists of:
 
 -- kbuild kselftest-merge target fixes
 -- fixes to several tests
 -- resctrl test fixes and enhancements
 -- ksft_perror() helper and reporting improvements
 -- printf attribute to kselftest prints to improve reporting
 -- documentation and clang build warning fixes
 
 Bulk of the patches are for resctrl fixes and enhancements.
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Merge tag 'linux_kselftest-next-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest updates from Shuah Khan:

 - kbuild kselftest-merge target fixes

 - fixes to several tests

 - resctrl test fixes and enhancements

 - ksft_perror() helper and reporting improvements

 - printf attribute to kselftest prints to improve reporting

 - documentation and clang build warning fixes

The bulk of the patches are for resctrl fixes and enhancements.

* tag 'linux_kselftest-next-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (51 commits)
  selftests/resctrl: Fix MBM test failure when MBA unavailable
  selftests/clone3: Report descriptive test names
  selftests:modify the incorrect print format
  selftests/efivarfs: create-read: fix a resource leak
  selftests/ftrace: Add riscv support for kprobe arg tests
  selftests/ftrace: add loongarch support for kprobe args char tests
  selftests/amd-pstate: Added option to provide perf binary path
  selftests/amd-pstate: Fix broken paths to run workloads in amd-pstate-ut
  selftests/resctrl: Move run_benchmark() to a more fitting file
  selftests/resctrl: Fix schemata write error check
  selftests/resctrl: Reduce failures due to outliers in MBA/MBM tests
  selftests/resctrl: Fix feature checks
  selftests/resctrl: Refactor feature check to use resource and feature name
  selftests/resctrl: Move _GNU_SOURCE define into Makefile
  selftests/resctrl: Remove duplicate feature check from CMT test
  selftests/resctrl: Extend signal handler coverage to unmount on receiving signal
  selftests/resctrl: Fix uninitialized .sa_flags
  selftests/resctrl: Cleanup benchmark argument parsing
  selftests/resctrl: Remove ben_count variable
  selftests/resctrl: Make benchmark command const and build it with pointers
  ...
 2023-11-01 17:08:10 -10:00
Linus Torvalds
5eda8f2537 linux_kselftest-kunit-6.7-rc1 
This kunit update for Linux 6.7-rc1 consists of:
 
 -- string-stream testing enhancements
 -- several fixes memory leaks
 -- fix to reset status during parameter handling
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Merge tag 'linux_kselftest-kunit-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit updates from Shuah Khan:

 - string-stream testing enhancements

 - several fixes memory leaks

 - fix to reset status during parameter handling

* tag 'linux_kselftest-kunit-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: test: Fix the possible memory leak in executor_test
  kunit: Fix possible memory leak in kunit_filter_suites()
  kunit: Fix the wrong kfree of copy for kunit_filter_suites()
  kunit: Fix missed memory release in kunit_free_suite_set()
  kunit: Reset test status on each param iteration
  kunit: string-stream: Test performance of string_stream
  kunit: Use string_stream for test log
  kunit: string-stream: Add tests for freeing resource-managed string_stream
  kunit: string-stream: Decouple string_stream from kunit
  kunit: string-stream: Add kunit_alloc_string_stream()
  kunit: Don't use a managed alloc in is_literal()
  kunit: string-stream-test: Add cases for string_stream newline appending
  kunit: string-stream: Add option to make all lines end with newline
  kunit: string-stream: Improve testing of string_stream
  kunit: string-stream: Don't create a fragment for empty strings
 2023-11-01 17:02:29 -10:00
Linus Torvalds
463f46e114 iommufd for 6.7 
This branch has three new iommufd capabilities:
 
  - Dirty tracking for DMA. AMD/ARM/Intel CPUs can now record if a DMA
    writes to a page in the IOPTEs within the IO page table. This can be used
    to generate a record of what memory is being dirtied by DMA activities
    during a VM migration process. A VMM like qemu will combine the IOMMU
    dirty bits with the CPU's dirty log to determine what memory to
    transfer.
 
    VFIO already has a DMA dirty tracking framework that requires PCI
    devices to implement tracking HW internally. The iommufd version
    provides an alternative that the VMM can select, if available. The two
    are designed to have very similar APIs.
 
  - Userspace controlled attributes for hardware page
    tables (HWPT/iommu_domain). There are currently a few generic attributes
    for HWPTs (support dirty tracking, and parent of a nest). This is an
    entry point for the userspace iommu driver to control the HW in detail.
 
  - Nested translation support for HWPTs. This is a 2D translation scheme
    similar to the CPU where a DMA goes through a first stage to determine
    an intermediate address which is then translated trough a second stage
    to a physical address.
 
    Like for CPU translation the first stage table would exist in VM
    controlled memory and the second stage is in the kernel and matches the
    VM's guest to physical map.
 
    As every IOMMU has a unique set of parameter to describe the S1 IO page
    table and its associated parameters the userspace IOMMU driver has to
    marshal the information into the correct format.
 
    This is 1/3 of the feature, it allows creating the nested translation
    and binding it to VFIO devices, however the API to support IOTLB and
    ATC invalidation of the stage 1 io page table, and forwarding of IO
    faults are still in progress.
 
 The series includes AMD and Intel support for dirty tracking. Intel
 support for nested translation.
 
 Along the way are a number of internal items:
 
  - New iommu core items: ops->domain_alloc_user(), ops->set_dirty_tracking,
    ops->read_and_clear_dirty(), IOMMU_DOMAIN_NESTED, and iommu_copy_struct_from_user
 
  - UAF fix in iopt_area_split()
 
  - Spelling fixes and some test suite improvement
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd

Pull iommufd updates from Jason Gunthorpe:
 "This brings three new iommufd capabilities:

   - Dirty tracking for DMA.

     AMD/ARM/Intel CPUs can now record if a DMA writes to a page in the
     IOPTEs within the IO page table. This can be used to generate a
     record of what memory is being dirtied by DMA activities during a
     VM migration process. A VMM like qemu will combine the IOMMU dirty
     bits with the CPU's dirty log to determine what memory to transfer.

     VFIO already has a DMA dirty tracking framework that requires PCI
     devices to implement tracking HW internally. The iommufd version
     provides an alternative that the VMM can select, if available. The
     two are designed to have very similar APIs.

   - Userspace controlled attributes for hardware page tables
     (HWPT/iommu_domain). There are currently a few generic attributes
     for HWPTs (support dirty tracking, and parent of a nest). This is
     an entry point for the userspace iommu driver to control the HW in
     detail.

   - Nested translation support for HWPTs. This is a 2D translation
     scheme similar to the CPU where a DMA goes through a first stage to
     determine an intermediate address which is then translated trough a
     second stage to a physical address.

     Like for CPU translation the first stage table would exist in VM
     controlled memory and the second stage is in the kernel and matches
     the VM's guest to physical map.

     As every IOMMU has a unique set of parameter to describe the S1 IO
     page table and its associated parameters the userspace IOMMU driver
     has to marshal the information into the correct format.

     This is 1/3 of the feature, it allows creating the nested
     translation and binding it to VFIO devices, however the API to
     support IOTLB and ATC invalidation of the stage 1 io page table,
     and forwarding of IO faults are still in progress.

  The series includes AMD and Intel support for dirty tracking. Intel
  support for nested translation.

  Along the way are a number of internal items:

   - New iommu core items: ops->domain_alloc_user(),
     ops->set_dirty_tracking, ops->read_and_clear_dirty(),
     IOMMU_DOMAIN_NESTED, and iommu_copy_struct_from_user

   - UAF fix in iopt_area_split()

   - Spelling fixes and some test suite improvement"

* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (52 commits)
  iommufd: Organize the mock domain alloc functions closer to Joerg's tree
  iommufd/selftest: Fix page-size check in iommufd_test_dirty()
  iommufd: Add iopt_area_alloc()
  iommufd: Fix missing update of domains_itree after splitting iopt_area
  iommu/vt-d: Disallow read-only mappings to nest parent domain
  iommu/vt-d: Add nested domain allocation
  iommu/vt-d: Set the nested domain to a device
  iommu/vt-d: Make domain attach helpers to be extern
  iommu/vt-d: Add helper to setup pasid nested translation
  iommu/vt-d: Add helper for nested domain allocation
  iommu/vt-d: Extend dmar_domain to support nested domain
  iommufd: Add data structure for Intel VT-d stage-1 domain allocation
  iommu/vt-d: Enhance capability check for nested parent domain allocation
  iommufd/selftest: Add coverage for IOMMU_HWPT_ALLOC with nested HWPTs
  iommufd/selftest: Add nested domain allocation for mock domain
  iommu: Add iommu_copy_struct_from_user helper
  iommufd: Add a nested HW pagetable object
  iommu: Pass in parent domain with user_data to domain_alloc_user op
  iommufd: Share iommufd_hwpt_alloc with IOMMUFD_OBJ_HWPT_NESTED
  iommufd: Derive iommufd_hwpt_paging from iommufd_hw_pagetable
  ...
 2023-11-01 16:44:56 -10:00
Linus Torvalds
ff269e2cd5 Follow up to networking PR for 6.7 
- Support GRO decapsulation for IPsec ESP in UDP.
 
  - Add a handful of MODULE_DESCRIPTION()s.
 
  - Drop questionable alignment check in TCP AO to avoid
    build issue after changes in the crypto tree.
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.7-followup' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull more networking updates from Jakub Kicinski:

 - Support GRO decapsulation for IPsec ESP in UDP

 - Add a handful of MODULE_DESCRIPTION()s

 - Drop questionable alignment check in TCP AO to avoid
   build issue after changes in the crypto tree

* tag 'net-next-6.7-followup' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next:
  net: tcp: remove call to obsolete crypto_ahash_alignmask()
  net: fill in MODULE_DESCRIPTION()s under drivers/net/
  net: fill in MODULE_DESCRIPTION()s under net/802*
  net: fill in MODULE_DESCRIPTION()s under net/core
  net: fill in MODULE_DESCRIPTION()s in kuba@'s modules
  xfrm: policy: fix layer 4 flowi decoding
  xfrm Fix use after free in __xfrm6_udp_encap_rcv.
  xfrm: policy: replace session decode with flow dissector
  xfrm: move mark and oif flowi decode into common code
  xfrm: pass struct net to xfrm_decode_session wrappers
  xfrm: Support GRO for IPv6 ESP in UDP encapsulation
  xfrm: Support GRO for IPv4 ESP in UDP encapsulation
  xfrm: Use the XFRM_GRO to indicate a GRO call on input
  xfrm: Annotate struct xfrm_sec_ctx with __counted_by
  xfrm: Remove unused function declarations
 2023-11-01 16:33:20 -10:00
Linus Torvalds
05bf73aa27 Probes updates for v6.7: 
- cleanups:
   . kprobes: Fixes typo in kprobes samples.
 
   . tracing/eprobes: Remove 'break' after return.
 
 - kretprobe/fprobe performance improvements:
   . lib: Introduce new `objpool`, which is a high performance lockless
     object queue. This uses per-cpu ring array to allocate/release
     objects from the pre-allocated object pool. Since the index of ring
     array is a 32bit sequential counter, we can retry to push/pop the
     object pointer from the ring without lock (as seq-lock does).
 
   . lib: Add an objpool test module to test the functionality and
     evaluate the performance under some circumstances.
 
   . kprobes/fprobe: Improve kretprobe and rethook scalability
     performance with objpool.
     This improves both legacy kretprobe and fprobe exit handler (which
     is based on rethook) to be scalable on SMP systems. Even with
     8-threads parallel test, it shows a great scalability improvement.
 
   . Remove unneeded freelist.h which is replaced by objpool.
 
   . objpool: Add maintainers entry for the objpool.
 
   . objpool: Fix to remove unused include header lines.
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Merge tag 'probes-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes updates from Masami Hiramatsu:
 "Cleanups:

   - kprobes: Fixes typo in kprobes samples

   - tracing/eprobes: Remove 'break' after return

  kretprobe/fprobe performance improvements:

   - lib: Introduce new `objpool`, which is a high performance lockless
     object queue. This uses per-cpu ring array to allocate/release
     objects from the pre-allocated object pool.

     Since the index of ring array is a 32bit sequential counter, we can
     retry to push/pop the object pointer from the ring without lock (as
     seq-lock does)

   - lib: Add an objpool test module to test the functionality and
     evaluate the performance under some circumstances

   - kprobes/fprobe: Improve kretprobe and rethook scalability
     performance with objpool.

     This improves both legacy kretprobe and fprobe exit handler (which
     is based on rethook) to be scalable on SMP systems. Even with
     8-threads parallel test, it shows a great scalability improvement

   - Remove unneeded freelist.h which is replaced by objpool

   - objpool: Add maintainers entry for the objpool

   - objpool: Fix to remove unused include header lines"

* tag 'probes-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  kprobes: unused header files removed
  MAINTAINERS: objpool added
  kprobes: freelist.h removed
  kprobes: kretprobe scalability improvement
  lib: objpool test module added
  lib: objpool added: ring-array based lockless MPMC
  tracing/eprobe: drop unneeded breaks
  samples: kprobes: Fixes a typo
 2023-11-01 16:15:42 -10:00
Linus Torvalds
1b10d2c8c6 Bootconfig for v6.7: 
- Documentation update for /proc/cmdline, which includes both the
    parameters from bootloader and the embedded parameters in the kernel.
 
  - fs/proc: Add bootloader argument as a comment line to /proc/bootconfig
    so that the user can distinguish what parameters were passed from
    bootloader even if bootconfig modified that.
 
  - Documentation fix to add /proc/bootconfig to proc.rst.
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Merge tag 'bootconfig-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull bootconfig updates from Masami Hiramatsu:

 - Documentation update for /proc/cmdline, which includes both the
   parameters from bootloader and the embedded parameters in the kernel

 - fs/proc: Add bootloader argument as a comment line to
   /proc/bootconfig so that the user can distinguish what parameters
   were passed from bootloader even if bootconfig modified that

 - Documentation fix to add /proc/bootconfig to proc.rst

* tag 'bootconfig-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  doc: Add /proc/bootconfig to proc.rst
  fs/proc: Add boot loader arguments as comment to /proc/bootconfig
  doc: Update /proc/cmdline documentation to include boot config
 2023-11-01 16:07:05 -10:00
Linus Torvalds
1e0c505e13 asm-generic updates for v6.7 
The ia64 architecture gets its well-earned retirement as planned,
 now that there is one last (mostly) working release that will
 be maintained as an LTS kernel.
 
 The architecture specific system call tables are updated for
 the added map_shadow_stack() syscall and to remove references
 to the long-gone sys_lookup_dcookie() syscall.
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Merge tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull ia64 removal and asm-generic updates from Arnd Bergmann:

 - The ia64 architecture gets its well-earned retirement as planned,
   now that there is one last (mostly) working release that will be
   maintained as an LTS kernel.

 - The architecture specific system call tables are updated for the
   added map_shadow_stack() syscall and to remove references to the
   long-gone sys_lookup_dcookie() syscall.

* tag 'asm-generic-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  hexagon: Remove unusable symbols from the ptrace.h uapi
  asm-generic: Fix spelling of architecture
  arch: Reserve map_shadow_stack() syscall number for all architectures
  syscalls: Cleanup references to sys_lookup_dcookie()
  Documentation: Drop or replace remaining mentions of IA64
  lib/raid6: Drop IA64 support
  Documentation: Drop IA64 from feature descriptions
  kernel: Drop IA64 support from sig_fault handlers
  arch: Remove Itanium (IA-64) architecture
 2023-11-01 15:28:33 -10:00
Linus Torvalds
4684e928db ARM: SoC code changes for 6.7 
The AMD Pensando DPU platform gets added to arm64, and some
 minor updates make it into Renesas' 32-bit platforms.
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Merge tag 'soc-arm-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC code updates from Arnd Bergmann:
 "The AMD Pensando DPU platform gets added to arm64, and some minor
  updates make it into Renesas' 32-bit platforms"

* tag 'soc-arm-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  arm: debug: reuse the config DEBUG_OMAP2UART{1,2} for OMAP{3,4,5}
  arm64: Add config for AMD Pensando SoC platforms
  MAINTAINERS: Add entry for AMD PENSANDO
  ARM: shmobile: sh73a0: Reserve boot area when SMP is enabled
  ARM: shmobile: r8a7779: Reserve boot area when SMP is enabled
  ARM: shmobile: rcar-gen2: Reserve boot area when SMP is enabled
  ARM: shmobile: rcar-gen2: Remove unneeded once handling
 2023-11-01 15:06:28 -10:00
Linus Torvalds
a39ba9b429 ARM defconfig updates for 6.7 
These are the usual trivial changes to enable a couple of newly added
 device drivers and remove lines for Kconfig options that are no
 longer needed.
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Merge tag 'soc-defconfig-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM defconfig updates from Arnd Bergmann:
 "These are the usual trivial changes to enable a couple of newly added
  device drivers and remove lines for Kconfig options that are no longer
  needed"

* tag 'soc-defconfig-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
  arm64: defconfig: enable DisplayPort altmode support
  arm64: defconfig: enable CONFIG_TYPEC_QCOM_PMIC
  arm64: defconfig: add various drivers for Amlogic based boards
  ARM: config: aspeed: Remove FIRMWARE_MEMMAP
  ARM: config: aspeed_g5: Enable SSIF BMC driver
  ARM: config: aspeed: Add Ampere SMPro drivers
  ARM: config: aspeed: Add new FSI drivers
  arm64: defconfig: Enable TPS6593 PMIC for SK-AM62A
  ARM: exynos_defconfig: add driver for ISL29018
  ARM: multi_v7_defconfig: add drivers for S5C73M3 & S5K6A3 camera sensors
  arm64: defconfig: Enable RZ/G3S (R9A08G045) SoC
  ARM: multi_v7_defconfig: add tm2-touchkey driver
  ARM: exynos_defconfig: replace SATA_AHCI_PLATFORM with AHCI_DWC driver
  ARM: multi_v7_defconfig: add AHCI_DWC driver
  ARM: multi_v7_defconfig: make Exynos related PHYs modules
  ARM: s5pv210_defconfig: enable IIO required by MAX17040
  ARM: shmobile: defconfig: Refresh for v6.6-rc3
  ARM: defconfig: cleanup orphaned CONFIGs
  arm64: defconfig: Enable Samsung DSIM driver
  arm64: defconfig: Enable CONFIG_USB_MASS_STORAGE
  ...
 2023-11-01 15:04:32 -10:00
Linus Torvalds
385903a7ec SoC driver updates for 6.7 
The highlights for the driver support this time are
 
  - Qualcomm platforms gain support for the Qualcomm Secure Execution
    Environment firmware interface to access EFI variables on certain
    devices, and new features for multiple platform and firmware drivers.
 
  - Arm FF-A firmware support gains support for v1.1 specification features,
    in particular notification and memory transaction descriptor changes.
 
  - SCMI firmware support now support v3.2 features for clock and DVFS
    configuration and a new transport for Qualcomm platforms.
 
  - Minor cleanups and bugfixes are added to pretty much all the active
    platforms: qualcomm, broadcom, dove, ti-k3, rockchip, sifive, amlogic,
    atmel, tegra, aspeed, vexpress, mediatek, samsung and more.
    In particular, this contains portions of the treewide conversion to
    use __counted_by annotations and the device_get_match_data helper.
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Merge tag 'soc-drivers-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "The highlights for the driver support this time are

   - Qualcomm platforms gain support for the Qualcomm Secure Execution
     Environment firmware interface to access EFI variables on certain
     devices, and new features for multiple platform and firmware
     drivers.

   - Arm FF-A firmware support gains support for v1.1 specification
     features, in particular notification and memory transaction
     descriptor changes.

   - SCMI firmware support now support v3.2 features for clock and DVFS
     configuration and a new transport for Qualcomm platforms.

   - Minor cleanups and bugfixes are added to pretty much all the active
     platforms: qualcomm, broadcom, dove, ti-k3, rockchip, sifive,
     amlogic, atmel, tegra, aspeed, vexpress, mediatek, samsung and
     more.

     In particular, this contains portions of the treewide conversion to
     use __counted_by annotations and the device_get_match_data helper"

* tag 'soc-drivers-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (156 commits)
  soc: qcom: pmic_glink_altmode: Print return value on error
  firmware: qcom: scm: remove unneeded 'extern' specifiers
  firmware: qcom: scm: add a missing forward declaration for struct device
  firmware: qcom: move Qualcomm code into its own directory
  soc: samsung: exynos-chipid: Convert to platform remove callback returning void
  soc: qcom: apr: Add __counted_by for struct apr_rx_buf and use struct_size()
  soc: qcom: pmic_glink: fix connector type to be DisplayPort
  soc: ti: k3-socinfo: Avoid overriding return value
  soc: ti: k3-socinfo: Fix typo in bitfield documentation
  soc: ti: knav_qmss_queue: Use device_get_match_data()
  firmware: ti_sci: Use device_get_match_data()
  firmware: qcom: qseecom: add missing include guards
  soc/pxa: ssp: Convert to platform remove callback returning void
  soc/mediatek: mtk-mmsys: Convert to platform remove callback returning void
  soc/mediatek: mtk-devapc: Convert to platform remove callback returning void
  soc/loongson: loongson2_guts: Convert to platform remove callback returning void
  soc/litex: litex_soc_ctrl: Convert to platform remove callback returning void
  soc/ixp4xx: ixp4xx-qmgr: Convert to platform remove callback returning void
  soc/ixp4xx: ixp4xx-npe: Convert to platform remove callback returning void
  soc/hisilicon: kunpeng_hccs: Convert to platform remove callback returning void
  ...
 2023-11-01 14:46:51 -10:00
Linus Torvalds
c035f0268b SoC DT updates for v6.7 
There are a couple new SoCs that are supported for the first time:
 
  - AMD Pensando Elba is a data processing unit based on Cortex-A72
    CPU cores
 
  - Sophgo makes RISC-V based chips, and we now support the CV1800B
    chip used in the milkv-duo board and the massive sg2042 chip in the
    milkv-pioneer, a 64-core developer workstation.
 
  - Qualcomm Snapdragon 720G (sm7125) is a close relative of
    Snapdragon 7c and gets added with some Xiaomi phones
 
  - Renesas gains support for the R8A779F4 (R-Car S4-8) automotive
    SoC and the RZ/G3S (R9A08G045) embedded SoC.
 
 There are also a bunch of newly supported machines that use
 already supported chips. On the 32-bit side, we have:
 
  - USRobotics USR8200 is a NAS/Firewall/router based on the ancient
    Intel IXP4xx platform
 
  - A couple of machines based on the NXP i.MX5 and i.MX6 platforms
 
  - One machine each for Allwinner V3s, Aspeed AST2600, Microchip
    sama5d29 and ST STM32mp157
 
 The other ones all use arm64 cores on chips from allwinner,
 amlogic, freescale, mediatek, qualcomm and rockchip.
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Merge tag 'soc-dt-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC DT updates from Arnd Bergmann:
 "There are a couple new SoCs that are supported for the first time:

   - AMD Pensando Elba is a data processing unit based on Cortex-A72 CPU
     cores

   - Sophgo makes RISC-V based chips, and we now support the CV1800B
     chip used in the milkv-duo board and the massive sg2042 chip in the
     milkv-pioneer, a 64-core developer workstation.

   - Qualcomm Snapdragon 720G (sm7125) is a close relative of Snapdragon
     7c and gets added with some Xiaomi phones

   - Renesas gains support for the R8A779F4 (R-Car S4-8) automotive SoC
     and the RZ/G3S (R9A08G045) embedded SoC.

  There are also a bunch of newly supported machines that use already
  supported chips. On the 32-bit side, we have:

   - USRobotics USR8200 is a NAS/Firewall/router based on the ancient
     Intel IXP4xx platform

   - A couple of machines based on the NXP i.MX5 and i.MX6 platforms

   - One machine each for Allwinner V3s, Aspeed AST2600, Microchip
     sama5d29 and ST STM32mp157

  The other ones all use arm64 cores on chips from allwinner, amlogic,
  freescale, mediatek, qualcomm and rockchip"

* tag 'soc-dt-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (641 commits)
  ARM: dts: BCM5301X: Set switch ports for Linksys EA9200
  ARM: dts: BCM5301X: Set fixed-link for extra Netgear R8000 CPU ports
  ARM: dts: BCM5301X: Explicitly disable unused switch CPU ports
  ARM: dts: BCM5301X: Relicense Vivek's code to the GPL 2.0+ / MIT
  ARM: dts: BCM5301X: Relicense Felix's code to the GPL 2.0+ / MIT
  ARM: dts: BCM5301X: Set MAC address for Asus RT-AC87U
  arm64: dts: socionext: add missing cache properties
  riscv: dts: thead: convert isa detection to new properties
  arm64: dts: Update cache properties for socionext
  arm64: dts: ti: k3-am654-idk: Add ICSSG Ethernet ports
  arm64: dts: ti: k3-am654-icssg2: add ICSSG2 Ethernet support
  arm64: dts: ti: k3-am65-main: Add ICSSG IEP nodes
  arm64: dts: ti: k3-am62p5-sk: Updates for SK EVM
  arm64: dts: ti: k3-am62p: Add nodes for more IPs
  arm64: dts: rockchip: Add Turing RK1 SoM support
  dt-bindings: arm: rockchip: Add Turing RK1
  dt-bindings: vendor-prefixes: add turing
  arm64: dts: rockchip: Add DFI to rk3588s
  arm64: dts: rockchip: Add DFI to rk356x
  arm64: dts: rockchip: Always enable DFI on rk3399
  ...
 2023-11-01 14:37:04 -10:00
Linus Torvalds
deefd5024f VFIO updates for v6.7 
- Add support for "chunk mode" in the mlx5-vfio-pci variant driver,
    which allows both larger device image sizes for migration, beyond
    the previous 4GB limit, and also read-ahead support for improved
    migration performance. (Yishai Hadas)
 
  - A new bus master control interface for the CDX bus driver where
    there is no in-band mechanism to toggle device DMA as there is
    through config space on PCI devices. (Nipun Gupta)
 
  - Add explicit alignment directives to vfio data structures to
    reduce the chance of breaking 32-bit userspace.  In most cases
    this is transparent and the remaining cases where data structures
    are padded work within the existing rules for extending data
    structures within vfio.  (Stefan Hajnoczi)
 
  - Resolve a bug in the cdx bus driver noted when compiled with clang
    where missing parenthesis result in the wrong operation.
    (Nathan Chancellor)
 
  - Resolve errors reported by smatch for a function when dealing
    with invalid inputs. (Alex Williamson)
 
  - Add migration support to the mtty vfio/mdev sample driver for
    testing and integration purposes, allowing CI of migration without
    specific hardware requirements.  Also resolve many of the short-
    comings of this driver relative to implementation of the vfio
    interrupt ioctl along the way. (Alex Williamson)
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Merge tag 'vfio-v6.7-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Add support for "chunk mode" in the mlx5-vfio-pci variant driver,
   which allows both larger device image sizes for migration, beyond the
   previous 4GB limit, and also read-ahead support for improved
   migration performance (Yishai Hadas)

 - A new bus master control interface for the CDX bus driver where there
   is no in-band mechanism to toggle device DMA as there is through
   config space on PCI devices (Nipun Gupta)

 - Add explicit alignment directives to vfio data structures to reduce
   the chance of breaking 32-bit userspace. In most cases this is
   transparent and the remaining cases where data structures are padded
   work within the existing rules for extending data structures within
   vfio (Stefan Hajnoczi)

 - Resolve a bug in the cdx bus driver noted when compiled with clang
   where missing parenthesis result in the wrong operation (Nathan
   Chancellor)

 - Resolve errors reported by smatch for a function when dealing with
   invalid inputs (Alex Williamson)

 - Add migration support to the mtty vfio/mdev sample driver for testing
   and integration purposes, allowing CI of migration without specific
   hardware requirements. Also resolve many of the short- comings of
   this driver relative to implementation of the vfio interrupt ioctl
   along the way (Alex Williamson)

* tag 'vfio-v6.7-rc1' of https://github.com/awilliam/linux-vfio:
  vfio/mtty: Enable migration support
  vfio/mtty: Overhaul mtty interrupt handling
  vfio: Fix smatch errors in vfio_combine_iova_ranges()
  vfio/cdx: Add parentheses between bitwise AND expression and logical NOT
  vfio/mlx5: Activate the chunk mode functionality
  vfio/mlx5: Add support for READING in chunk mode
  vfio/mlx5: Add support for SAVING in chunk mode
  vfio/mlx5: Pre-allocate chunks for the STOP_COPY phase
  vfio/mlx5: Rename some stuff to match chunk mode
  vfio/mlx5: Enable querying state size which is > 4GB
  vfio/mlx5: Refactor the SAVE callback to activate a work only upon an error
  vfio/mlx5: Wake up the reader post of disabling the SAVING migration file
  vfio: use __aligned_u64 in struct vfio_device_ioeventfd
  vfio: use __aligned_u64 in struct vfio_device_gfx_plane_info
  vfio: trivially use __aligned_u64 for ioctl structs
  vfio-cdx: add bus mastering device feature support
  vfio: add bus master feature to device feature ioctl
  cdx: add support for bus mastering
 2023-11-01 13:55:40 -10:00
Linus Torvalds
009fbfc97b dma-mapping updates for Linux 6.7 
- get rid of the fake support for coherent DMA allocation on coldfire with
    caches (Christoph Hellwig)
  - add a few Kconfig dependencies so that Kconfig catches the use of
    invalid configurations (Christoph Hellwig)
  - fix a type in dma-debug output (Chuck Lever)
  - rewrite a comment in swiotlb (Sean Christopherson)
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Merge tag 'dma-mapping-6.7-2023-10-30' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - get rid of the fake support for coherent DMA allocation on coldfire
   with caches (Christoph Hellwig)

 - add a few Kconfig dependencies so that Kconfig catches the use of
   invalid configurations (Christoph Hellwig)

 - fix a type in dma-debug output (Chuck Lever)

 - rewrite a comment in swiotlb (Sean Christopherson)

* tag 'dma-mapping-6.7-2023-10-30' of git://git.infradead.org/users/hch/dma-mapping:
  dma-debug: Fix a typo in a debugging eye-catcher
  swiotlb: rewrite comment explaining why the source is preserved on DMA_FROM_DEVICE
  m68k: remove unused includes from dma.c
  m68k: don't provide arch_dma_alloc for nommu/coldfire
  net: fec: use dma_alloc_noncoherent for data cache enabled coldfire
  m68k: use the coherent DMA code for coldfire without data cache
  dma-direct: warn when coherent allocations aren't supported
  dma-direct: simplify the use atomic pool logic in dma_direct_alloc
  dma-direct: add a CONFIG_ARCH_HAS_DMA_ALLOC symbol
  dma-direct: add dependencies to CONFIG_DMA_GLOBAL_POOL
 2023-11-01 13:15:54 -10:00
Linus Torvalds
3c86a44d62 - Move Kconfig files into the pmdomain subsystem 
- Drop use of genpd's redundant ->opp_to_performance_state() callback
  - amlogic: Add support for the T7 power-domains controller
  - amlogic: Fix mask for the second NNA mem power-domain
  - bcm: Fixup ASB register read and comparison for bcm2835-power
  - imx: Fix device link problem for consumers of the pgc power-domain
  - mediatek: Add support for the MT8365 power domains
  - qcom: Add support for the rpmhpds for SC8380XP power-domains
  - qcom: Add support for the rpmhpds for SM8650 power-domains
  - qcom: Add support for the rpmhpd clocks for SM7150
  - qcom: Add support for the rpmpds for MSM8917 (families) power-domains
  - starfive: Add support for the JH7110 AON PMU
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Merge tag 'pmdomain-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull pmdomain updates from Ulf Hansson:

 - Move Kconfig files into the pmdomain subsystem

 - Drop use of genpd's redundant ->opp_to_performance_state() callback

 - amlogic:
    - Add support for the T7 power-domains controller
    - Fix mask for the second NNA mem power-domain

 - bcm: Fixup ASB register read and comparison for bcm2835-power

 - imx: Fix device link problem for consumers of the pgc power-domain

 - mediatek: Add support for the MT8365 power domains

 - qcom:
    - Add support for the rpmhpds for SC8380XP power-domains
    - Add support for the rpmhpds for SM8650 power-domains
    - Add support for the rpmhpd clocks for SM7150
    - Add support for the rpmpds for MSM8917 (families) power-domains

 - starfive: Add support for the JH7110 AON PMU

* tag 'pmdomain-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (56 commits)
  pmdomain: amlogic: Fix mask for the second NNA mem PD domain
  pmdomain: qcom: rpmhpd: Add SC8380XP power domains
  pmdomain: qcom: rpmhpd: Add SM8650 RPMh Power Domains
  dt-bindings: power: rpmpd: Add SC8380XP support
  dt-bindings: power: qcom,rpmhpd: Add GMXC PD index
  dt-bindings: power: qcom,rpmpd: document the SM8650 RPMh Power Domains
  pmdomain: imx: Make imx pgc power domain also set the fwnode
  pmdomain: qcom: rpmpd: Add QM215 power domains
  pmdomain: qcom: rpmpd: Add MSM8917 power domains
  dt-bindings: power: rpmpd: Add MSM8917, MSM8937 and QM215
  pmdomain: bcm: bcm2835-power: check if the ASB register is equal to enable
  pmdomain: qcom: rpmhpd: Drop the ->opp_to_performance_state() callback
  pmdomain: qcom: rpmpd: Drop the ->opp_to_performance_state() callback
  pmdomain: qcom: cpr: Drop the ->opp_to_performance_state() callback
  pmdomain: Use device_get_match_data()
  pmdomain: ti: add missing of_node_put
  pmdomain: mediatek: Add support for MT8365
  pmdomain: mediatek: Add support for MTK_SCPD_STRICT_BUS_PROTECTION cap
  pmdomain: mediatek: Add support for WAY_EN operations
  pmdomain: mediatek: Unify configuration for infracfg and smi
  ...
 2023-11-01 13:09:46 -10:00
Linus Torvalds
40aa597c4a MMC core: 
- Enable host caps to be modified via debugfs to test speed-modes
  - Improve random I/O writes for 4k buffers for hsq enabled hosts
 
 MMC host:
  - atmel-mci/sdhci-of-at91: Aubin Constans takes over as maintainer
  - dw_mmc-starfive: Re-work tuning support
  - meson-gx: Fix bogus IRQ when using CMD_CFG_ERROR
  - mmci: Use peripheral flow control for the STM32 variant
  - renesas,sdhi: Add support for the RZ/G3S variant
  - sdhci-esdhc-imx: Optimize the manual tuning logic
  - sdhci-msm: Add support for the SM8650 variant
  - sdhci-npcm: Add driver to support the Nuvoton NPCM BMC variant
  - sdhci-pci-gli: Add workaround to allow GL9750 to enter ASPM L1.2
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Merge tag 'mmc-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
" MMC core:
   - Enable host caps to be modified via debugfs to test speed-modes
   - Improve random I/O writes for 4k buffers for hsq enabled hosts

  MMC host:
   - atmel-mci/sdhci-of-at91: Aubin Constans takes over as maintainer
   - dw_mmc-starfive: Re-work tuning support
   - meson-gx: Fix bogus IRQ when using CMD_CFG_ERROR
   - mmci: Use peripheral flow control for the STM32 variant
   - renesas,sdhi: Add support for the RZ/G3S variant
   - sdhci-esdhc-imx: Optimize the manual tuning logic
   - sdhci-msm: Add support for the SM8650 variant
   - sdhci-npcm: Add driver to support the Nuvoton NPCM BMC variant
   - sdhci-pci-gli: Add workaround to allow GL9750 to enter ASPM L1.2"

* tag 'mmc-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (25 commits)
  dt-bindings: mmc: sdhci-msm: document the SM8650 SDHCI Controller
  mmc: meson-gx: Remove setting of CMD_CFG_ERROR
  MAINTAINERS: mmc: take over as maintainer of MCI & SDHCI MICROCHIP DRIVERS
  mmc: jz4740: Use device_get_match_data()
  mmc: sdhci-npcm: Add NPCM SDHCI driver
  dt-bindings: mmc: npcm,sdhci: Document NPCM SDHCI controller
  mmc: sdhci-pltfm: Make driver OF independent
  mmc: sdhci-pltfm: Drop unnecessary error messages in sdhci_pltfm_init()
  mmc: sdhci-pci: Switch to use acpi_evaluate_dsm_typed()
  mmc: debugfs: Allow host caps to be modified
  mmc: core: Always reselect card type
  mmc: mmci: use peripheral flow control for STM32
  mmc: vub300: replace deprecated strncpy with strscpy
  memstick: jmb38x_ms: Annotate struct jmb38x_ms with __counted_by
  mmc: starfive: Change tuning implementation
  dt-bindings: mmc: starfive: Remove properties from required
  mmc: hsq: Improve random I/O write performance for 4k buffers
  mmc: core: Allow dynamical updates of the number of requests for hsq
  mmc: sdhci-pci-gli: A workaround to allow GL9750 to enter ASPM L1.2
  dt-bindings: mmc: renesas,sdhi: Document RZ/G3S support
  ...
 2023-11-01 13:05:44 -10:00
Linus Torvalds
0364249d20 - Update DM core to directly call the map function for both the linear 
and stripe targets; which are provided by DM core.
 
 - Various updates to use new safer string functions.
 
 - Update DM core to respect REQ_NOWAIT flag in normal bios so that
   memory allocations are always attempted with GFP_NOWAIT.
 
 - Add Mikulas Patocka to MAINTAINERS as a DM maintainer!
 
 - Improve DM delay target's handling of short delays (< 50ms) by using
   a kthread to check expiration of IOs rather than timers and a wq.
 
 - Update the DM error target so that it works with zoned storage. This
   helps xfstests to provide proper IO error handling coverage when
   testing a filesystem with native zoned storage support.
 
 - Update both DM crypt and integrity targets to improve performance by
   using crypto_shash_digest() rather than init+update+final sequence.
 
 - Fix DM crypt target by backfilling missing memory allocation
   accounting for compound pages.
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Merge tag 'for-6.7/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - Update DM core to directly call the map function for both the linear
   and stripe targets; which are provided by DM core

 - Various updates to use new safer string functions

 - Update DM core to respect REQ_NOWAIT flag in normal bios so that
   memory allocations are always attempted with GFP_NOWAIT

 - Add Mikulas Patocka to MAINTAINERS as a DM maintainer!

 - Improve DM delay target's handling of short delays (< 50ms) by using
   a kthread to check expiration of IOs rather than timers and a wq

 - Update the DM error target so that it works with zoned storage. This
   helps xfstests to provide proper IO error handling coverage when
   testing a filesystem with native zoned storage support

 - Update both DM crypt and integrity targets to improve performance by
   using crypto_shash_digest() rather than init+update+final sequence

 - Fix DM crypt target by backfilling missing memory allocation
   accounting for compound pages

* tag 'for-6.7/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm crypt: account large pages in cc->n_allocated_pages
  dm integrity: use crypto_shash_digest() in sb_mac()
  dm crypt: use crypto_shash_digest() in crypt_iv_tcw_whitening()
  dm error: Add support for zoned block devices
  dm delay: for short delays, use kthread instead of timers and wq
  MAINTAINERS: add Mikulas Patocka as a DM maintainer
  dm: respect REQ_NOWAIT flag in normal bios issued to DM
  dm: enhance alloc_multiple_bios() to be more versatile
  dm: make __send_duplicate_bios return unsigned int
  dm log userspace: replace deprecated strncpy with strscpy
  dm ioctl: replace deprecated strncpy with strscpy_pad
  dm crypt: replace open-coded kmemdup_nul
  dm cache metadata: replace deprecated strncpy with strscpy
  dm: shortcut the calls to linear_map and stripe_map
 2023-11-01 12:55:54 -10:00
Linus Torvalds
39714efc23 ATA changes for 6.7-rc1 
- Modify the AHCI driver to print the link power management policy used
    on scan, to help with debugging issues (Niklas).
 
  - Add support for the ASM2116 series adapters to the AHCI driver
    (Szuying).
 
  - Prepare libata for the coming gcc and Clang __counted_by attribute
    (Kees).
 
  - Following the recent estensive fixing of libata suspend/resume
    handling, several patches further cleanup and improve disk power state
    management (from me).
 
  - Reduce the verbosity of some error messages for non-fatal temporary
    errors, e.g. slow response to device reset when scanning a port, and
    warning messages that are in fact normal, e.g. disabling a device
    on suspend or when removing it (from me).
 
  - Cleanup DMA helper functions (from me).
 
  - Fix sata_mv drive handling of potential errors durring probe (Ma).
 
  - Cleanup the xgene and imx drivers using the functions
    of_device_get_match_data() and device_get_match_data() (Rob).
 
  - Improve the tegra driver device tree (Rob).
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Merge tag 'ata-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata

Pull ATA updates from Damien Le Moal:

 - Modify the AHCI driver to print the link power management policy used
   on scan, to help with debugging issues (Niklas)

 - Add support for the ASM2116 series adapters to the AHCI driver
   (Szuying)

 - Prepare libata for the coming gcc and Clang __counted_by attribute
   (Kees)

 - Following the recent estensive fixing of libata suspend/resume
   handling, several patches further cleanup and improve disk power
   state management (me)

 - Reduce the verbosity of some error messages for non-fatal temporary
   errors, e.g. slow response to device reset when scanning a port, and
   warning messages that are in fact normal, e.g. disabling a device on
   suspend or when removing it (me)

 - Cleanup DMA helper functions (me)

 - Fix sata_mv drive handling of potential errors durring probe (Ma)

 - Cleanup the xgene and imx drivers using the functions
   of_device_get_match_data() and device_get_match_data() (Rob)

 - Improve the tegra driver device tree (Rob)

* tag 'ata-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: (22 commits)
  dt-bindings: ata: tegra: Disallow undefined properties
  ata: libata-core: Improve ata_dev_power_set_active()
  ata: libata-eh: Spinup disk on resume after revalidation
  ata: imx: Use device_get_match_data()
  ata: xgene: Use of_device_get_match_data()
  ata: sata_mv: aspeed: fix value check in mv_platform_probe()
  ata: ahci: Add Intel Alder Lake-P AHCI controller to low power chipsets list
  ata: libata: Cleanup inline DMA helper functions
  ata: libata-eh: Reduce "disable device" message verbosity
  ata: libata-eh: Improve reset error messages
  ata: libata-sata: Improve ata_sas_slave_configure()
  ata: libata-core: Do not resume runtime suspended ports
  ata: libata-core: Do not poweroff runtime suspended ports
  ata: libata-core: Remove ata_port_resume_async()
  ata: libata-core: Remove ata_port_suspend_async()
  ata: libata-core: Detach a port devices on shutdown
  ata: libata-core: Synchronize ata_port_detach() with hotplug
  ata: libata-scsi: Cleanup ata_scsi_start_stop_xlat()
  scsi: Remove scsi device no_start_on_resume flag
  ata: libata: Annotate struct ata_cpr_log with __counted_by
  ...
 2023-11-01 12:50:12 -10:00
Linus Torvalds
90d624af2e for-6.7/block-2023-10-30 
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Merge tag 'for-6.7/block-2023-10-30' of git://git.kernel.dk/linux

Pull block updates from Jens Axboe:

 - Improvements to the queue_rqs() support, and adding null_blk support
   for that as well (Chengming)

 - Series improving badblocks support (Coly)

 - Key store support for sed-opal (Greg)

 - IBM partition string handling improvements (Jan)

 - Make number of ublk devices supported configurable (Mike)

 - Cancelation improvements for ublk (Ming)

 - MD pull requests via Song:
     - Handle timeout in md-cluster, by Denis Plotnikov
     - Cleanup pers->prepare_suspend, by Yu Kuai
     - Rewrite mddev_suspend(), by Yu Kuai
     - Simplify md_seq_ops, by Yu Kuai
     - Reduce unnecessary locking array_state_store(), by Mariusz
       Tkaczyk
     - Make rdev add/remove independent from daemon thread, by Yu Kuai
     - Refactor code around quiesce() and mddev_suspend(), by Yu Kuai

 - NVMe pull request via Keith:
     - nvme-auth updates (Mark)
     - nvme-tcp tls (Hannes)
     - nvme-fc annotaions (Kees)

 - Misc cleanups and improvements (Jiapeng, Joel)

* tag 'for-6.7/block-2023-10-30' of git://git.kernel.dk/linux: (95 commits)
  block: ublk_drv: Remove unused function
  md: cleanup pers->prepare_suspend()
  nvme-auth: allow mixing of secret and hash lengths
  nvme-auth: use transformed key size to create resp
  nvme-auth: alloc nvme_dhchap_key as single buffer
  nvmet-tcp: use 'spin_lock_bh' for state_lock()
  powerpc/pseries: PLPKS SED Opal keystore support
  block: sed-opal: keystore access for SED Opal keys
  block:sed-opal: SED Opal keystore
  ublk: simplify aborting request
  ublk: replace monitor with cancelable uring_cmd
  ublk: quiesce request queue when aborting queue
  ublk: rename mm_lock as lock
  ublk: move ublk_cancel_dev() out of ub->mutex
  ublk: make sure io cmd handled in submitter task context
  ublk: don't get ublk device reference in ublk_abort_queue()
  ublk: Make ublks_max configurable
  ublk: Limit dev_id/ub_number values
  md-cluster: check for timeout while a new disk adding
  nvme: rework NVME_AUTH Kconfig selection
  ...
 2023-11-01 12:30:07 -10:00
Linus Torvalds
4de520f1fc io_uring-futex-2023-10-30 
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Merge tag 'io_uring-futex-2023-10-30' of git://git.kernel.dk/linux

Pull io_uring futex support from Jens Axboe:
 "This adds support for using futexes through io_uring - first futex
  wake and wait, and then the vectored variant of waiting, futex waitv.

  For both wait/wake/waitv, we support the bitset variant, as the
  'normal' variants can be easily implemented on top of that.

  PI and requeue are not supported through io_uring, just the above
  mentioned parts. This may change in the future, but in the spirit of
  keeping this small (and based on what people have been asking for),
  this is what we currently have.

  Wake support is pretty straight forward, most of the thought has gone
  into the wait side to avoid needing to offload wait operations to a
  blocking context. Instead, we rely on the usual callbacks to retry and
  post a completion event, when appropriate.

  As far as I can recall, the first request for futex support with
  io_uring came from Andres Freund, working on postgres. His aio rework
  of postgres was one of the early adopters of io_uring, and futex
  support was a natural extension for that. This is relevant from both a
  usability point of view, as well as for effiency and performance. In
  Andres's words, for the former:

     Futex wait support in io_uring makes it a lot easier to avoid
     deadlocks in concurrent programs that have their own buffer pool:
     Obviously pages in the application buffer pool have to be locked
     during IO. If the initiator of IO A needs to wait for a held lock
     B, the holder of lock B might wait for the IO A to complete. The
     ability to wait for a lock and IO completions at the same time
     provides an efficient way to avoid such deadlocks

  and in terms of effiency, even without unlocking the full potential
  yet, Andres says:

     Futex wake support in io_uring is useful because it allows for more
     efficient directed wakeups. For some "locks" postgres has queues
     implemented in userspace, with wakeup logic that cannot easily be
     implemented with FUTEX_WAKE_BITSET on a single "futex word"
     (imagine waiting for journal flushes to have completed up to a
     certain point).

     Thus a "lock release" sometimes need to wake up many processes in a
     row. A quick-and-dirty conversion to doing these wakeups via
     io_uring lead to a 3% throughput increase, with 12% fewer context
     switches, albeit in a fairly extreme workload"

* tag 'io_uring-futex-2023-10-30' of git://git.kernel.dk/linux:
  io_uring: add support for vectored futex waits
  futex: make the vectored futex operations available
  futex: make futex_parse_waitv() available as a helper
  futex: add wake_data to struct futex_q
  io_uring: add support for futex wake and wait
  futex: abstract out a __futex_wake_mark() helper
  futex: factor out the futex wake handling
  futex: move FUTEX2_VALID_MASK to futex.h
 2023-11-01 11:25:08 -10:00
Linus Torvalds
f5277ad1e9 for-6.7/io_uring-sockopt-2023-10-30 
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Merge tag 'for-6.7/io_uring-sockopt-2023-10-30' of git://git.kernel.dk/linux

Pull io_uring {get,set}sockopt support from Jens Axboe:
 "This adds support for using getsockopt and setsockopt via io_uring.

  The main use cases for this is to enable use of direct descriptors,
  rather than first instantiating a normal file descriptor, doing the
  option tweaking needed, then turning it into a direct descriptor. With
  this support, we can avoid needing a regular file descriptor
  completely.

  The net and bpf bits have been signed off on their side"

* tag 'for-6.7/io_uring-sockopt-2023-10-30' of git://git.kernel.dk/linux:
  selftests/bpf/sockopt: Add io_uring support
  io_uring/cmd: Introduce SOCKET_URING_OP_SETSOCKOPT
  io_uring/cmd: Introduce SOCKET_URING_OP_GETSOCKOPT
  io_uring/cmd: return -EOPNOTSUPP if net is disabled
  selftests/net: Extract uring helpers to be reusable
  tools headers: Grab copy of io_uring.h
  io_uring/cmd: Pass compat mode in issue_flags
  net/socket: Break down __sys_getsockopt
  net/socket: Break down __sys_setsockopt
  bpf: Add sockptr support for setsockopt
  bpf: Add sockptr support for getsockopt
 2023-11-01 11:16:34 -10:00
Linus Torvalds
ffa059b262 for-6.7/io_uring-2023-10-30 
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Merge tag 'for-6.7/io_uring-2023-10-30' of git://git.kernel.dk/linux

Pull io_uring updates from Jens Axboe:
 "This contains the core io_uring updates, of which there are not many,
  and adds support for using WAITID through io_uring and hence not
  needing to block on these kinds of events.

  Outside of that, tweaks to the legacy provided buffer handling and
  some cleanups related to cancelations for uring_cmd support"

* tag 'for-6.7/io_uring-2023-10-30' of git://git.kernel.dk/linux:
  io_uring/poll: use IOU_F_TWQ_LAZY_WAKE for wakeups
  io_uring/kbuf: Use slab for struct io_buffer objects
  io_uring/kbuf: Allow the full buffer id space for provided buffers
  io_uring/kbuf: Fix check of BID wrapping in provided buffers
  io_uring/rsrc: cleanup io_pin_pages()
  io_uring: cancelable uring_cmd
  io_uring: retain top 8bits of uring_cmd flags for kernel internal use
  io_uring: add IORING_OP_WAITID support
  exit: add internal include file with helpers
  exit: add kernel_waitid_prepare() helper
  exit: move core of do_wait() into helper
  exit: abstract out should_wake helper for child_wait_callback()
  io_uring/rw: add support for IORING_OP_READ_MULTISHOT
  io_uring/rw: mark readv/writev as vectored in the opcode definition
  io_uring/rw: split io_read() into a helper
 2023-11-01 11:09:19 -10:00
Linus Torvalds
ca995ce438 xen: branch for v6.7-rc1 
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Merge tag 'for-linus-6.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - two small cleanup patches

 - a fix for PCI passthrough under Xen

 - a four patch series speeding up virtio under Xen with user space
   backends

* tag 'for-linus-6.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen-pciback: Consider INTx disabled when MSI/MSI-X is enabled
  xen: privcmd: Add support for ioeventfd
  xen: evtchn: Allow shared registration of IRQ handers
  xen: irqfd: Use _IOW instead of the internal _IOC() macro
  xen: Make struct privcmd_irqfd's layout architecture independent
  xen/xenbus: Add __counted_by for struct read_buffer and use struct_size()
  xenbus: fix error exit in xenbus_init()
 2023-11-01 10:46:48 -10:00