Commit Graph

1167236 Commits

Author SHA1 Message Date
Linus Torvalds
0447ed0d71 Kernel concurrency sanitizer (KCSAN) updates for v6.3
This update fixes gcc-11 errors for x86_64 KCSAN-enabled kernel builds
 by selecting the CONSTRUCTORS Kconfig option.
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Merge tag 'kcsan.2023.02.24a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull kernel concurrency sanitizer (KCSAN) updates from Paul McKenney:
 "This fixes gcc-11 errors for x86_64 KCSAN-enabled kernel builds by
  selecting the CONSTRUCTORS Kconfig option"

* tag 'kcsan.2023.02.24a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  kcsan: select CONFIG_CONSTRUCTORS
2023-02-25 13:02:20 -08:00
Linus Torvalds
472a2abb7a flexible-array transformations for 6.3-rc1
Hi Linus,
 
 Please, pull the following patches that transform zero-length arrays,
 in unions, into flexible arrays. These patches have been baking in
 linux-next for the whole development cycle.
 
 Thanks
 --
 Gustavo
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Merge tag 'flex-array-transformations-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull flexible-array updates from Gustavo Silva:
 "Transform zero-length arrays, in unions, into flexible arrays"

* tag 'flex-array-transformations-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  bcache: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
  mm/memremap: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
  exportfs: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
2023-02-25 12:53:42 -08:00
Linus Torvalds
e534a583cc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha
Pull alpha updates from Al Viro:
 "Mostly small janitorial fixes but there's also more important ones: a
  patch to fix loading large modules from Edward Humes, and some fixes
  from Al Viro"

[ The fixes from Al mostly came in separately through Al's trees too and
  are now duplicated..   - Linus ]

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mattst88/alpha:
  alpha: in_irq() cleanup
  alpha: lazy FPU switching
  alpha/boot/misc: trim unused declarations
  alpha/boot/tools/objstrip: fix the check for ELF header
  alpha/boot: fix the breakage from -isystem series...
  alpha: fix FEN fault handling
  alpha: Avoid comma separated statements
  alpha: fixed a typo in core_cia.c
  alpha: remove unused __SLOW_DOWN_IO and SLOW_DOWN_IO definitions
  alpha: update config files
  alpha: fix R_ALPHA_LITERAL reloc for large modules
  alpha: Add some spaces to ensure format specification
  alpha: replace NR_SYSCALLS by NR_syscalls
  alpha: Remove redundant local asm header redirections
  alpha: Implement "current_stack_pointer"
  alpha: remove redundant err variable
  alpha: osf_sys: reduce kernel log spamming on invalid osf_mount call typenr
2023-02-25 12:49:29 -08:00
Linus Torvalds
cac85e4616 VFIO updates for v6.3-rc1
- Remove redundant resource check in vfio-platform. (Angus Chen)
 
  - Use GFP_KERNEL_ACCOUNT for persistent userspace allocations, allowing
    removal of arbitrary kernel limits in favor of cgroup control.
    (Yishai Hadas)
 
  - mdev tidy-ups, including removing the module-only build restriction
    for sample drivers, Kconfig changes to select mdev support,
    documentation movement to keep sample driver usage instructions with
    sample drivers rather than with API docs, remove references to
    out-of-tree drivers in docs. (Christoph Hellwig)
 
  - Fix collateral breakages from mdev Kconfig changes. (Arnd Bergmann)
 
  - Make mlx5 migration support match device support, improve source
    and target flows to improve pre-copy support and reduce downtime.
    (Yishai Hadas)
 
  - Convert additional mdev sysfs case to use sysfs_emit(). (Bo Liu)
 
  - Resolve copy-paste error in mdev mbochs sample driver Kconfig.
    (Ye Xingchen)
 
  - Avoid propagating missing reset error in vfio-platform if reset
    requirement is relaxed by module option. (Tomasz Duszynski)
 
  - Range size fixes in mlx5 variant driver for missed last byte and
    stricter range calculation. (Yishai Hadas)
 
  - Fixes to suspended vaddr support and locked_vm accounting, excluding
    mdev configurations from the former due to potential to indefinitely
    block kernel threads, fix underflow and restore locked_vm on new mm.
    (Steve Sistare)
 
  - Update outdated vfio documentation due to new IOMMUFD interfaces in
    recent kernels. (Yi Liu)
 
  - Resolve deadlock between group_lock and kvm_lock, finally.
    (Matthew Rosato)
 
  - Fix NULL pointer in group initialization error path with IOMMUFD.
    (Yan Zhao)
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Merge tag 'vfio-v6.3-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Remove redundant resource check in vfio-platform (Angus Chen)

 - Use GFP_KERNEL_ACCOUNT for persistent userspace allocations, allowing
   removal of arbitrary kernel limits in favor of cgroup control (Yishai
   Hadas)

 - mdev tidy-ups, including removing the module-only build restriction
   for sample drivers, Kconfig changes to select mdev support,
   documentation movement to keep sample driver usage instructions with
   sample drivers rather than with API docs, remove references to
   out-of-tree drivers in docs (Christoph Hellwig)

 - Fix collateral breakages from mdev Kconfig changes (Arnd Bergmann)

 - Make mlx5 migration support match device support, improve source and
   target flows to improve pre-copy support and reduce downtime (Yishai
   Hadas)

 - Convert additional mdev sysfs case to use sysfs_emit() (Bo Liu)

 - Resolve copy-paste error in mdev mbochs sample driver Kconfig (Ye
   Xingchen)

 - Avoid propagating missing reset error in vfio-platform if reset
   requirement is relaxed by module option (Tomasz Duszynski)

 - Range size fixes in mlx5 variant driver for missed last byte and
   stricter range calculation (Yishai Hadas)

 - Fixes to suspended vaddr support and locked_vm accounting, excluding
   mdev configurations from the former due to potential to indefinitely
   block kernel threads, fix underflow and restore locked_vm on new mm
   (Steve Sistare)

 - Update outdated vfio documentation due to new IOMMUFD interfaces in
   recent kernels (Yi Liu)

 - Resolve deadlock between group_lock and kvm_lock, finally (Matthew
   Rosato)

 - Fix NULL pointer in group initialization error path with IOMMUFD (Yan
   Zhao)

* tag 'vfio-v6.3-rc1' of https://github.com/awilliam/linux-vfio: (32 commits)
  vfio: Fix NULL pointer dereference caused by uninitialized group->iommufd
  docs: vfio: Update vfio.rst per latest interfaces
  vfio: Update the kdoc for vfio_device_ops
  vfio/mlx5: Fix range size calculation upon tracker creation
  vfio: no need to pass kvm pointer during device open
  vfio: fix deadlock between group lock and kvm lock
  vfio: revert "iommu driver notify callback"
  vfio/type1: revert "implement notify callback"
  vfio/type1: revert "block on invalid vaddr"
  vfio/type1: restore locked_vm
  vfio/type1: track locked_vm per dma
  vfio/type1: prevent underflow of locked_vm via exec()
  vfio/type1: exclude mdevs from VFIO_UPDATE_VADDR
  vfio: platform: ignore missing reset if disabled at module init
  vfio/mlx5: Improve the target side flow to reduce downtime
  vfio/mlx5: Improve the source side flow upon pre_copy
  vfio/mlx5: Check whether VF is migratable
  samples: fix the prompt about SAMPLE_VFIO_MDEV_MBOCHS
  vfio/mdev: Use sysfs_emit() to instead of sprintf()
  vfio-mdev: add back CONFIG_VFIO dependency
  ...
2023-02-25 11:52:57 -08:00
Linus Torvalds
84cc6674b7 virtio,vhost,vdpa: features, fixes
device feature provisioning in ifcvf, mlx5
 new SolidNET driver
 support for zoned block device in virtio blk
 numa support in virtio pmem
 VIRTIO_F_RING_RESET support in vhost-net
 more debugfs entries in mlx5
 resume support in vdpa
 completion batching in virtio blk
 cleanup of dma api use in vdpa
 now simulating more features in vdpa-sim
 documentation, features, fixes all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:

 - device feature provisioning in ifcvf, mlx5

 - new SolidNET driver

 - support for zoned block device in virtio blk

 - numa support in virtio pmem

 - VIRTIO_F_RING_RESET support in vhost-net

 - more debugfs entries in mlx5

 - resume support in vdpa

 - completion batching in virtio blk

 - cleanup of dma api use in vdpa

 - now simulating more features in vdpa-sim

 - documentation, features, fixes all over the place

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (64 commits)
  vdpa/mlx5: support device features provisioning
  vdpa/mlx5: make MTU/STATUS presence conditional on feature bits
  vdpa: validate device feature provisioning against supported class
  vdpa: validate provisioned device features against specified attribute
  vdpa: conditionally read STATUS in config space
  vdpa: fix improper error message when adding vdpa dev
  vdpa/mlx5: Initialize CVQ iotlb spinlock
  vdpa/mlx5: Don't clear mr struct on destroy MR
  vdpa/mlx5: Directly assign memory key
  tools/virtio: enable to build with retpoline
  vringh: fix a typo in comments for vringh_kiov
  vhost-vdpa: print warning when vhost_vdpa_alloc_domain fails
  scsi: virtio_scsi: fix handling of kmalloc failure
  vdpa: Fix a couple of spelling mistakes in some messages
  vhost-net: support VIRTIO_F_RING_RESET
  vhost-scsi: convert sysfs snprintf and sprintf to sysfs_emit
  vdpa: mlx5: support per virtqueue dma device
  vdpa: set dma mask for vDPA device
  virtio-vdpa: support per vq dma device
  vdpa: introduce get_vq_dma_device()
  ...
2023-02-25 11:48:02 -08:00
Linus Torvalds
49d5759268 ARM:
- Provide a virtual cache topology to the guest to avoid
   inconsistencies with migration on heterogenous systems. Non secure
   software has no practical need to traverse the caches by set/way in
   the first place.
 
 - Add support for taking stage-2 access faults in parallel. This was an
   accidental omission in the original parallel faults implementation,
   but should provide a marginal improvement to machines w/o FEAT_HAFDBS
   (such as hardware from the fruit company).
 
 - A preamble to adding support for nested virtualization to KVM,
   including vEL2 register state, rudimentary nested exception handling
   and masking unsupported features for nested guests.
 
 - Fixes to the PSCI relay that avoid an unexpected host SVE trap when
   resuming a CPU when running pKVM.
 
 - VGIC maintenance interrupt support for the AIC
 
 - Improvements to the arch timer emulation, primarily aimed at reducing
   the trap overhead of running nested.
 
 - Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
   interest of CI systems.
 
 - Avoid VM-wide stop-the-world operations when a vCPU accesses its own
   redistributor.
 
 - Serialize when toggling CPACR_EL1.SMEN to avoid unexpected exceptions
   in the host.
 
 - Aesthetic and comment/kerneldoc fixes
 
 - Drop the vestiges of the old Columbia mailing list and add [Oliver]
   as co-maintainer
 
 This also drags in arm64's 'for-next/sme2' branch, because both it and
 the PSCI relay changes touch the EL2 initialization code.
 
 RISC-V:
 
 - Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE
 
 - Correctly place the guest in S-mode after redirecting a trap to the guest
 
 - Redirect illegal instruction traps to guest
 
 - SBI PMU support for guest
 
 s390:
 
 - Two patches sorting out confusion between virtual and physical
   addresses, which currently are the same on s390.
 
 - A new ioctl that performs cmpxchg on guest memory
 
 - A few fixes
 
 x86:
 
 - Change tdp_mmu to a read-only parameter
 
 - Separate TDP and shadow MMU page fault paths
 
 - Enable Hyper-V invariant TSC control
 
 - Fix a variety of APICv and AVIC bugs, some of them real-world,
   some of them affecting architecurally legal but unlikely to
   happen in practice
 
 - Mark APIC timer as expired if its in one-shot mode and the count
   underflows while the vCPU task was being migrated
 
 - Advertise support for Intel's new fast REP string features
 
 - Fix a double-shootdown issue in the emergency reboot code
 
 - Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give SVM
   similar treatment to VMX
 
 - Update Xen's TSC info CPUID sub-leaves as appropriate
 
 - Add support for Hyper-V's extended hypercalls, where "support" at this
   point is just forwarding the hypercalls to userspace
 
 - Clean up the kvm->lock vs. kvm->srcu sequences when updating the PMU and
   MSR filters
 
 - One-off fixes and cleanups
 
 - Fix and cleanup the range-based TLB flushing code, used when KVM is
   running on Hyper-V
 
 - Add support for filtering PMU events using a mask.  If userspace
   wants to restrict heavily what events the guest can use, it can now
   do so without needing an absurd number of filter entries
 
 - Clean up KVM's handling of "PMU MSRs to save", especially when vPMU
   support is disabled
 
 - Add PEBS support for Intel Sapphire Rapids
 
 - Fix a mostly benign overflow bug in SEV's send|receive_update_data()
 
 - Move several SVM-specific flags into vcpu_svm
 
 x86 Intel:
 
 - Handle NMI VM-Exits before leaving the noinstr region
 
 - A few trivial cleanups in the VM-Enter flows
 
 - Stop enabling VMFUNC for L1 purely to document that KVM doesn't support
   EPTP switching (or any other VM function) for L1
 
 - Fix a crash when using eVMCS's enlighted MSR bitmaps
 
 Generic:
 
 - Clean up the hardware enable and initialization flow, which was
   scattered around multiple arch-specific hooks.  Instead, just
   let the arch code call into generic code.  Both x86 and ARM should
   benefit from not having to fight common KVM code's notion of how
   to do initialization.
 
 - Account allocations in generic kvm_arch_alloc_vm()
 
 - Fix a memory leak if coalesced MMIO unregistration fails
 
 selftests:
 
 - On x86, cache the CPU vendor (AMD vs. Intel) and use the info to emit
   the correct hypercall instruction instead of relying on KVM to patch
   in VMMCALL
 
 - Use TAP interface for kvm_binary_stats_test and tsc_msrs_test
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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:

   - Provide a virtual cache topology to the guest to avoid
     inconsistencies with migration on heterogenous systems. Non secure
     software has no practical need to traverse the caches by set/way in
     the first place

   - Add support for taking stage-2 access faults in parallel. This was
     an accidental omission in the original parallel faults
     implementation, but should provide a marginal improvement to
     machines w/o FEAT_HAFDBS (such as hardware from the fruit company)

   - A preamble to adding support for nested virtualization to KVM,
     including vEL2 register state, rudimentary nested exception
     handling and masking unsupported features for nested guests

   - Fixes to the PSCI relay that avoid an unexpected host SVE trap when
     resuming a CPU when running pKVM

   - VGIC maintenance interrupt support for the AIC

   - Improvements to the arch timer emulation, primarily aimed at
     reducing the trap overhead of running nested

   - Add CONFIG_USERFAULTFD to the KVM selftests config fragment in the
     interest of CI systems

   - Avoid VM-wide stop-the-world operations when a vCPU accesses its
     own redistributor

   - Serialize when toggling CPACR_EL1.SMEN to avoid unexpected
     exceptions in the host

   - Aesthetic and comment/kerneldoc fixes

   - Drop the vestiges of the old Columbia mailing list and add [Oliver]
     as co-maintainer

  RISC-V:

   - Fix wrong usage of PGDIR_SIZE instead of PUD_SIZE

   - Correctly place the guest in S-mode after redirecting a trap to the
     guest

   - Redirect illegal instruction traps to guest

   - SBI PMU support for guest

  s390:

   - Sort out confusion between virtual and physical addresses, which
     currently are the same on s390

   - A new ioctl that performs cmpxchg on guest memory

   - A few fixes

  x86:

   - Change tdp_mmu to a read-only parameter

   - Separate TDP and shadow MMU page fault paths

   - Enable Hyper-V invariant TSC control

   - Fix a variety of APICv and AVIC bugs, some of them real-world, some
     of them affecting architecurally legal but unlikely to happen in
     practice

   - Mark APIC timer as expired if its in one-shot mode and the count
     underflows while the vCPU task was being migrated

   - Advertise support for Intel's new fast REP string features

   - Fix a double-shootdown issue in the emergency reboot code

   - Ensure GIF=1 and disable SVM during an emergency reboot, i.e. give
     SVM similar treatment to VMX

   - Update Xen's TSC info CPUID sub-leaves as appropriate

   - Add support for Hyper-V's extended hypercalls, where "support" at
     this point is just forwarding the hypercalls to userspace

   - Clean up the kvm->lock vs. kvm->srcu sequences when updating the
     PMU and MSR filters

   - One-off fixes and cleanups

   - Fix and cleanup the range-based TLB flushing code, used when KVM is
     running on Hyper-V

   - Add support for filtering PMU events using a mask. If userspace
     wants to restrict heavily what events the guest can use, it can now
     do so without needing an absurd number of filter entries

   - Clean up KVM's handling of "PMU MSRs to save", especially when vPMU
     support is disabled

   - Add PEBS support for Intel Sapphire Rapids

   - Fix a mostly benign overflow bug in SEV's
     send|receive_update_data()

   - Move several SVM-specific flags into vcpu_svm

  x86 Intel:

   - Handle NMI VM-Exits before leaving the noinstr region

   - A few trivial cleanups in the VM-Enter flows

   - Stop enabling VMFUNC for L1 purely to document that KVM doesn't
     support EPTP switching (or any other VM function) for L1

   - Fix a crash when using eVMCS's enlighted MSR bitmaps

  Generic:

   - Clean up the hardware enable and initialization flow, which was
     scattered around multiple arch-specific hooks. Instead, just let
     the arch code call into generic code. Both x86 and ARM should
     benefit from not having to fight common KVM code's notion of how to
     do initialization

   - Account allocations in generic kvm_arch_alloc_vm()

   - Fix a memory leak if coalesced MMIO unregistration fails

  selftests:

   - On x86, cache the CPU vendor (AMD vs. Intel) and use the info to
     emit the correct hypercall instruction instead of relying on KVM to
     patch in VMMCALL

   - Use TAP interface for kvm_binary_stats_test and tsc_msrs_test"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (325 commits)
  KVM: SVM: hyper-v: placate modpost section mismatch error
  KVM: x86/mmu: Make tdp_mmu_allowed static
  KVM: arm64: nv: Use reg_to_encoding() to get sysreg ID
  KVM: arm64: nv: Only toggle cache for virtual EL2 when SCTLR_EL2 changes
  KVM: arm64: nv: Filter out unsupported features from ID regs
  KVM: arm64: nv: Emulate EL12 register accesses from the virtual EL2
  KVM: arm64: nv: Allow a sysreg to be hidden from userspace only
  KVM: arm64: nv: Emulate PSTATE.M for a guest hypervisor
  KVM: arm64: nv: Add accessors for SPSR_EL1, ELR_EL1 and VBAR_EL1 from virtual EL2
  KVM: arm64: nv: Handle SMCs taken from virtual EL2
  KVM: arm64: nv: Handle trapped ERET from virtual EL2
  KVM: arm64: nv: Inject HVC exceptions to the virtual EL2
  KVM: arm64: nv: Support virtual EL2 exceptions
  KVM: arm64: nv: Handle HCR_EL2.NV system register traps
  KVM: arm64: nv: Add nested virt VCPU primitives for vEL2 VCPU state
  KVM: arm64: nv: Add EL2 system registers to vcpu context
  KVM: arm64: nv: Allow userspace to set PSR_MODE_EL2x
  KVM: arm64: nv: Reset VCPU to EL2 registers if VCPU nested virt is set
  KVM: arm64: nv: Introduce nested virtualization VCPU feature
  KVM: arm64: Use the S2 MMU context to iterate over S2 table
  ...
2023-02-25 11:30:21 -08:00
Linus Torvalds
01687e7c93 RISC-V Patches for the 6.3 Merge Window, Part 1
There's a bunch of fixes/cleanups throughout the tree as usual, but we
 also have a handful of new features.
 
 * Various improvements to the extension detection and alternative
   patching infrastructure.
 * Zbb-optimized string routines.
 * Support for cpu-capacity in the RISC-V DT bindings.
 * Zicbom no longer depends on toolchain support.
 * Some performance and code size improvements to ftrace.
 * Support for ARCH_WANT_LD_ORPHAN_WARN.
 * Oops now contain the faulting instruction.
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Merge tag 'riscv-for-linus-6.3-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:
 "There's a bunch of fixes/cleanups throughout the tree as usual, but we
  also have a handful of new features:

   - Various improvements to the extension detection and alternative
     patching infrastructure

   - Zbb-optimized string routines

   - Support for cpu-capacity in the RISC-V DT bindings

   - Zicbom no longer depends on toolchain support

   - Some performance and code size improvements to ftrace

   - Support for ARCH_WANT_LD_ORPHAN_WARN

   - Oops now contain the faulting instruction"

* tag 'riscv-for-linus-6.3-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (67 commits)
  RISC-V: add a spin_shadow_stack declaration
  riscv: mm: hugetlb: Enable ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
  riscv: Add header include guards to insn.h
  riscv: alternative: proceed one more instruction for auipc/jalr pair
  riscv: Avoid enabling interrupts in die()
  riscv, mm: Perform BPF exhandler fixup on page fault
  RISC-V: take text_mutex during alternative patching
  riscv: hwcap: Don't alphabetize ISA extension IDs
  RISC-V: fix ordering of Zbb extension
  riscv: jump_label: Fixup unaligned arch_static_branch function
  RISC-V: Only provide the single-letter extensions in HWCAP
  riscv: mm: fix regression due to update_mmu_cache change
  scripts/decodecode: Add support for RISC-V
  riscv: Add instruction dump to RISC-V splats
  riscv: select ARCH_WANT_LD_ORPHAN_WARN for !XIP_KERNEL
  riscv: vmlinux.lds.S: explicitly catch .init.bss sections from EFI stub
  riscv: vmlinux.lds.S: explicitly catch .riscv.attributes sections
  riscv: vmlinux.lds.S: explicitly catch .rela.dyn symbols
  riscv: lds: define RUNTIME_DISCARD_EXIT
  RISC-V: move some stray __RISCV_INSN_FUNCS definitions from kprobes
  ...
2023-02-25 11:14:08 -08:00
Linus Torvalds
d0a32f5520 powerpc updates for 6.3
- Support for configuring secure boot with user-defined keys on PowerVM LPARs.
 
  - Simplify the replay of soft-masked IRQs by making it non-recursive.
 
  - Add support for KCSAN on 64-bit Book3S.
 
  - Improvements to the API & code which interacts with RTAS (pseries firmware).
 
  - Change 32-bit powermac to assign PCI bus numbers per domain by default.
 
  - Some improvements to the 32-bit BPF JIT.
 
  - Various other small features and fixes.
 
 Thanks to: Anders Roxell, Andrew Donnellan, Andrew Jeffery, Benjamin Gray, Christophe
 Leroy, Frederic Barrat, Ganesh Goudar, Geoff Levand, Greg Kroah-Hartman, Jan-Benedict
 Glaw, Josh Poimboeuf, Kajol Jain, Laurent Dufour, Mahesh Salgaonkar, Mathieu Desnoyers,
 Mimi Zohar, Murphy Zhou, Nathan Chancellor, Nathan Lynch, Nayna Jain, Nicholas Piggin,
 Pali Rohár, Petr Mladek, Rohan McLure, Russell Currey, Sachin Sant, Sathvika Vasireddy,
 Sourabh Jain, Stefan Berger, Stephen Rothwell, Sudhakar Kuppusamy.
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Merge tag 'powerpc-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Support for configuring secure boot with user-defined keys on PowerVM
   LPARs

 - Simplify the replay of soft-masked IRQs by making it non-recursive

 - Add support for KCSAN on 64-bit Book3S

 - Improvements to the API & code which interacts with RTAS (pseries
   firmware)

 - Change 32-bit powermac to assign PCI bus numbers per domain by
   default

 - Some improvements to the 32-bit BPF JIT

 - Various other small features and fixes

Thanks to Anders Roxell, Andrew Donnellan, Andrew Jeffery, Benjamin
Gray, Christophe Leroy, Frederic Barrat, Ganesh Goudar, Geoff Levand,
Greg Kroah-Hartman, Jan-Benedict Glaw, Josh Poimboeuf, Kajol Jain,
Laurent Dufour, Mahesh Salgaonkar, Mathieu Desnoyers, Mimi Zohar, Murphy
Zhou, Nathan Chancellor, Nathan Lynch, Nayna Jain, Nicholas Piggin, Pali
Rohár, Petr Mladek, Rohan McLure, Russell Currey, Sachin Sant, Sathvika
Vasireddy, Sourabh Jain, Stefan Berger, Stephen Rothwell, and Sudhakar
Kuppusamy.

* tag 'powerpc-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (114 commits)
  powerpc/pseries: Avoid hcall in plpks_is_available() on non-pseries
  powerpc: dts: turris1x.dts: Set lower priority for CPLD syscon-reboot
  powerpc/e500: Add missing prototype for 'relocate_init'
  powerpc/64: Fix unannotated intra-function call warning
  powerpc/epapr: Don't use wrteei on non booke
  powerpc: Pass correct CPU reference to assembler
  powerpc/mm: Rearrange if-else block to avoid clang warning
  powerpc/nohash: Fix build with llvm-as
  powerpc/nohash: Fix build error with binutils >= 2.38
  powerpc/pseries: Fix endianness issue when parsing PLPKS secvar flags
  macintosh: windfarm: Use unsigned type for 1-bit bitfields
  powerpc/kexec_file: print error string on usable memory property update failure
  powerpc/machdep: warn when machine_is() used too early
  powerpc/64: Replace -mcpu=e500mc64 by -mcpu=e5500
  powerpc/eeh: Set channel state after notifying the drivers
  selftests/powerpc: Fix incorrect kernel headers search path
  powerpc/rtas: arch-wide function token lookup conversions
  powerpc/rtas: introduce rtas_function_token() API
  powerpc/pseries/lpar: convert to papr_sysparm API
  powerpc/pseries/hv-24x7: convert to papr_sysparm API
  ...
2023-02-25 11:00:06 -08:00
Linus Torvalds
5596c6adb0 just cleanups and fixes
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Merge tag 'mips_6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:
 "Just cleanups and fixes"

* tag 'mips_6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: vpe-mt: drop physical_memsize
  mips: fix syscall_get_nr
  MIPS: SMP-CPS: fix build error when HOTPLUG_CPU not set
  MIPS: DTS: jz4780: add #clock-cells to rtc_dev
  MIPS: dts: Boston: Fix dtc 'pci_device_reg' warning
  mips: dts: ralink: mt7621: add port@5 as CPU port
  mips: dts: align LED node names with dtschema
  MIPS: ralink: Use devm_platform_get_and_ioremap_resource()
  MIPS: pci-mt7620: Use devm_platform_get_and_ioremap_resource()
  MIPS: pci: lantiq: Use devm_platform_get_and_ioremap_resource()
  MIPS: lantiq: xway: Use devm_platform_get_and_ioremap_resource()
  MIPS: BCM47XX: Add support for Linksys E2500 V3
  mips: ralink: make SOC_MT7621 select PINCTRL_MT7621 and fix help section
  MIPS: DTS: CI20: fix otg power gpio
  MIPS: dts: lantiq: Remove bogus interrupt-parent; line
  MIPS: Fix a compilation issue
  MIPS: remove CONFIG_MIPS_LD_CAN_LINK_VDSO
  mips: Realtek RTL: select NO_EXCEPT_FILL
  MIPS: OCTEON: octeon-usb: Consolidate error messages
2023-02-25 10:56:39 -08:00
Linus Torvalds
7c3dc440b1 cxl for v6.3
- CXL RAM region enumeration: instantiate 'struct cxl_region' objects
   for platform firmware created memory regions
 
 - CXL RAM region provisioning: complement the existing PMEM region
   creation support with RAM region support
 
 - "Soft Reservation" policy change: Online (memory hot-add)
   soft-reserved memory (EFI_MEMORY_SP) by default, but still allow for
   setting aside such memory for dedicated access via device-dax.
 
 - CXL Events and Interrupts: Takeover CXL event handling from
   platform-firmware (ACPI calls this CXL Memory Error Reporting) and
   export CXL Events via Linux Trace Events.
 
 - Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
   subsystem interrogate the result of CXL _OSC negotiation.
 
 - Emulate CXL DVSEC Range Registers as "decoders": Allow for
   first-generation devices that pre-date the definition of the CXL HDM
   Decoder Capability to translate the CXL DVSEC Range Registers into
   'struct cxl_decoder' objects.
 
 - Set timestamp: Per spec, set the device timestamp in case of hotplug,
   or if platform-firwmare failed to set it.
 
 - General fixups: linux-next build issues, non-urgent fixes for
   pre-production hardware, unit test fixes, spelling and debug message
   improvements.
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Merge tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull Compute Express Link (CXL) updates from Dan Williams:
 "To date Linux has been dependent on platform-firmware to map CXL RAM
  regions and handle events / errors from devices. With this update we
  can now parse / update the CXL memory layout, and report events /
  errors from devices. This is a precursor for the CXL subsystem to
  handle the end-to-end "RAS" flow for CXL memory. i.e. the flow that
  for DDR-attached-DRAM is handled by the EDAC driver where it maps
  system physical address events to a field-replaceable-unit (FRU /
  endpoint device). In general, CXL has the potential to standardize
  what has historically been a pile of memory-controller-specific error
  handling logic.

  Another change of note is the default policy for handling RAM-backed
  device-dax instances. Previously the default access mode was "device",
  mmap(2) a device special file to access memory. The new default is
  "kmem" where the address range is assigned to the core-mm via
  add_memory_driver_managed(). This saves typical users from wondering
  why their platform memory is not visible via free(1) and stuck behind
  a device-file. At the same time it allows expert users to deploy
  policy to, for example, get dedicated access to high performance
  memory, or hide low performance memory from general purpose kernel
  allocations. This affects not only CXL, but also systems with
  high-bandwidth-memory that platform-firmware tags with the
  EFI_MEMORY_SP (special purpose) designation.

  Summary:

   - CXL RAM region enumeration: instantiate 'struct cxl_region' objects
     for platform firmware created memory regions

   - CXL RAM region provisioning: complement the existing PMEM region
     creation support with RAM region support

   - "Soft Reservation" policy change: Online (memory hot-add)
     soft-reserved memory (EFI_MEMORY_SP) by default, but still allow
     for setting aside such memory for dedicated access via device-dax.

   - CXL Events and Interrupts: Takeover CXL event handling from
     platform-firmware (ACPI calls this CXL Memory Error Reporting) and
     export CXL Events via Linux Trace Events.

   - Convey CXL _OSC results to drivers: Similar to PCI, let the CXL
     subsystem interrogate the result of CXL _OSC negotiation.

   - Emulate CXL DVSEC Range Registers as "decoders": Allow for
     first-generation devices that pre-date the definition of the CXL
     HDM Decoder Capability to translate the CXL DVSEC Range Registers
     into 'struct cxl_decoder' objects.

   - Set timestamp: Per spec, set the device timestamp in case of
     hotplug, or if platform-firwmare failed to set it.

   - General fixups: linux-next build issues, non-urgent fixes for
     pre-production hardware, unit test fixes, spelling and debug
     message improvements"

* tag 'cxl-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (66 commits)
  dax/kmem: Fix leak of memory-hotplug resources
  cxl/mem: Add kdoc param for event log driver state
  cxl/trace: Add serial number to trace points
  cxl/trace: Add host output to trace points
  cxl/trace: Standardize device information output
  cxl/pci: Remove locked check for dvsec_range_allowed()
  cxl/hdm: Add emulation when HDM decoders are not committed
  cxl/hdm: Create emulated cxl_hdm for devices that do not have HDM decoders
  cxl/hdm: Emulate HDM decoder from DVSEC range registers
  cxl/pci: Refactor cxl_hdm_decode_init()
  cxl/port: Export cxl_dvsec_rr_decode() to cxl_port
  cxl/pci: Break out range register decoding from cxl_hdm_decode_init()
  cxl: add RAS status unmasking for CXL
  cxl: remove unnecessary calling of pci_enable_pcie_error_reporting()
  dax/hmem: build hmem device support as module if possible
  dax: cxl: add CXL_REGION dependency
  cxl: avoid returning uninitialized error code
  cxl/pmem: Fix nvdimm registration races
  cxl/mem: Fix UAPI command comment
  cxl/uapi: Tag commands from cxl_query_cmd()
  ...
2023-02-25 09:19:23 -08:00
Linus Torvalds
d8e473182a - Fixup comment typo
- Prevent unexpected #VE's from:
   - Hosts removing perfectly good guest mappings (SEPT_VE_DISABLE
   - Excessive #VE notifications (NOTIFY_ENABLES) which are
     delivered via a #VE.
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Merge tag 'x86_tdx_for_6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull Intel Trust Domain Extensions (TDX) updates from Dave Hansen:
 "Other than a minor fixup, the content here is to ensure that TDX
  guests never see virtualization exceptions (#VE's) that might be
  induced by the untrusted VMM.

  This is a highly desirable property. Without it, #VE exception
  handling would fall somewhere between NMIs, machine checks and total
  insanity. With it, #VE handling remains pretty mundane.

  Summary:

   - Fixup comment typo

   - Prevent unexpected #VE's from:
      - Hosts removing perfectly good guest mappings (SEPT_VE_DISABLE)
      - Excessive #VE notifications (NOTIFY_ENABLES) which are delivered
        via a #VE"

* tag 'x86_tdx_for_6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/tdx: Do not corrupt frame-pointer in __tdx_hypercall()
  x86/tdx: Disable NOTIFY_ENABLES
  x86/tdx: Relax SEPT_VE_DISABLE check for debug TD
  x86/tdx: Use ReportFatalError to report missing SEPT_VE_DISABLE
  x86/tdx: Expand __tdx_hypercall() to handle more arguments
  x86/tdx: Refactor __tdx_hypercall() to allow pass down more arguments
  x86/tdx: Add more registers to struct tdx_hypercall_args
  x86/tdx: Fix typo in comment in __tdx_hypercall()
2023-02-25 09:11:30 -08:00
Changbin Du
290ec1d580 alpha: in_irq() cleanup
Replace the obsolete and ambiguos macro in_irq() with new
macro in_hardirq().

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2023-02-24 23:14:22 -05:00
Al Viro
0509666660 alpha: lazy FPU switching
On each context switch we save the FPU registers on stack
of old process and restore FPU registers from the stack of new one.
That allows us to avoid doing that each time we enter/leave the
kernel mode; however, that can get suboptimal in some cases.

	For one thing, we don't need to bother saving anything
for kernel threads.  For another, if between entering and leaving
the kernel a thread gives CPU up more than once, it will do
useless work, saving the same values every time, only to discard
the saved copy as soon as it returns from switch_to().

	Alternative solution:

* move the array we save into from switch_stack to thread_info
* have a (thread-synchronous) flag set when we save them
* have another flag set when they should be restored on return to userland.
* do *NOT* save/restore them in do_switch_stack()/undo_switch_stack().
* restore on the exit to user mode if the restore flag had
been set.  Clear both flags.
* on context switch, entry to fork/clone/vfork, before entry into do_signal()
and on entry into straced syscall save the registers and set the 'saved' flag
unless it had been already set.
* on context switch set the 'restore' flag as well.
* have copy_thread() set both flags for child, so the registers would be
restored once the child returns to userland.
* use the saved data in setup_sigcontext(); have restore_sigcontext() set both flags
and copy from sigframe to save area.
* teach ptrace to look for FPU registers in thread_info instead of
switch_stack.
* teach isolated accesses to FPU registers (rdfpcr, wrfpcr, etc.)
to check the 'saved' flag (under preempt_disable()) and work with the save area
if it's been set; if 'saved' flag is found upon write access, set 'restore' flag
as well.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2023-02-24 23:14:22 -05:00
Al Viro
a7acb188e8 alpha/boot/misc: trim unused declarations
gzip_mark() and gzip_release() are gone; there used to be two
forward declarations of each and the patch removing those suckers
had left one of each behind...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2023-02-24 23:14:22 -05:00
Al Viro
a4c082f267 alpha/boot/tools/objstrip: fix the check for ELF header
Just memcmp() with ELFMAG - that's the normal way to do it in userland
code, which that thing is.  Besides, that has the benefit of actually
building - str_has_prefix() is *NOT* present in <string.h>.

Fixes: 5f14596e55 "alpha: Replace strncmp with str_has_prefix"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2023-02-24 23:14:22 -05:00
Al Viro
56efd34f82 alpha/boot: fix the breakage from -isystem series...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2023-02-24 23:14:22 -05:00
Al Viro
d3c51b701b alpha: fix FEN fault handling
Type 3 instruction fault (FPU insn with FPU disabled) is handled
by quietly enabling FPU and returning.  Which is fine, except that
we need to do that both for fault in userland and in the kernel;
the latter *can* legitimately happen - all it takes is this:

.global _start
_start:
	call_pal 0xae
	lda $0, 0
	ldq $0, 0($0)

- call_pal CLRFEN to clear "FPU enabled" flag and arrange for
a signal delivery (SIGSEGV in this case).

Fixed by moving the handling of type 3 into the common part of
do_entIF(), before we check for kernel vs. user mode.

Incidentally, check for kernel mode is unidiomatic; the normal
way to do that is !user_mode(regs).  The difference is that
the open-coded variant treats any of bits 63..3 of regs->ps being
set as "it's user mode" while the normal approach is to check just
the bit 3.  PS is a 4-bit register and regs->ps always will have
bits 63..4 clear, so the open-code variant here is actually equivalent
to !user_mode(regs).  Harder to follow, though...

Reproducer above will crash any box where CLRFEN is not ignored by
PAL (== any actual hardware, AFAICS; PAL used in qemu doesn't
bother implementing that crap).

Cc: stable@vger.kernel.org # all way back...
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2023-02-24 23:14:22 -05:00
Joe Perches
4da2bd306b alpha: Avoid comma separated statements
Use semicolons and braces.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
2023-02-24 23:14:22 -05:00
rj1
6b6b64abe0 alpha: fixed a typo in core_cia.c
Signed-off-by: Matt Turner <mattst88@gmail.com>
2023-02-24 23:14:22 -05:00
Linus Torvalds
489fa31ea8 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
 "Assorted stuff that didn't fit anywhere else"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  nsfs: repair kernel-doc for ns_match()
  nsfs: add compat ioctl handler
  fs/cramfs: Convert kmap() to kmap_local_data()
2023-02-24 19:27:55 -08:00
Linus Torvalds
3df88c6a17 Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull ipc namespace update from Al Viro:
 "Rik's patches reducing the amount of synchronize_rcu() triggered by
  ipc namespace destruction.

  I've some pending stuff reducing that on the normal umount side, but
  it's nowhere near ready and Rik's stuff shouldn't be held back due to
  conflicts - I'll just redo the parts of my series that stray into
  ipc/*"

* 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ipc,namespace: batch free ipc_namespace structures
  ipc,namespace: make ipc namespace allocation wait for pending free
2023-02-24 19:20:07 -08:00
Linus Torvalds
10cc5d483e Merge branch 'work.alpha' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull alpha updates from Al Viro:
 "FEN (floating-point enable) fault fix deals with a really old oopsable
  braino, the rest is alpha/boot compile fixes and minor cleaning up"

* 'work.alpha' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  alpha/boot/misc: trim unused declarations
  alpha/boot/tools/objstrip: fix the check for ELF header
  alpha/boot: fix the breakage from -isystem series...
  alpha: fix FEN fault handling
2023-02-24 19:05:45 -08:00
Linus Torvalds
d6b9cf417c Merge branch 'work.sysv' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull sysv updates from Al Viro:
 "Fabio's 'switch to kmap_local_page()' patchset (originally after the
  ext2 counterpart, with a lot of cleaning up done to it; as the matter
  of fact, ext2 side is in need of similar cleanups - calling
  conventions there are bloody awful).

  Plus the equivalents of minix stuff..."

* 'work.sysv' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  sysv: fix handling of delete_entry and set_link failures
  fs/sysv: Replace kmap() with kmap_local_page()
  fs/sysv: Use dir_put_page() in sysv_rename()
  fs/sysv: Change the signature of dir_get_page()
  fs/sysv: Use the offset_in_page() helper
  sysv: don't flush page immediately for DIRSYNC directories
2023-02-24 19:03:26 -08:00
Linus Torvalds
397aa6b63f Merge branch 'work.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull minix updates from Al Viro:
 "Assorted fixes - mostly Christoph's"

* 'work.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  minix_rename(): minix_delete_entry() might fail
  minix: don't flush page immediately for DIRSYNC directories
  minix: fix error handling in minix_set_link
  minix: fix error handling in minix_delete_entry
  minix: move releasing pages into unlink and rename
  minix: make minix_new_inode() return error as ERR_PTR(-E...)
2023-02-24 19:01:15 -08:00
Linus Torvalds
595fa4e313 soundwire updates for 6.3
- Core:
 	- sdw_transfer_defer() API change to dropan argument
 	- Reset page address rework
 	- Exporting sdw_nwrite_no_pm and sdw_nread_no_pm APIs
 
   - Drivers:
 	- Cadence and related intel driver updates for FIFO handling and
 	  low level msg transfers
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Merge tag 'soundwire-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire updates from Vinod Koul:
 "This is a small update which features a bit of core changes and driver
  updates in Intel and cadence driver.

  Core:

   - sdw_transfer_defer() API change to drop an argument

   - Reset page address rework

   - Export sdw_nwrite_no_pm and sdw_nread_no_pm APIs

  Drivers:

   - Cadence and related intel driver updates for FIFO handling and low
     level msg transfers"

* tag 'soundwire-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: cadence: further simplify low-level xfer_msg_defer() callback
  soundwire: cadence: use directly bus sdw_defer structure
  soundwire: bus: remove sdw_defer argument in sdw_transfer_defer()
  soundwire: stream: use consistent pattern for freeing buffers
  soundwire: bus: Remove unused reset_page_addr() callback
  soundwire: bus: Don't zero page registers after every transaction
  soundwire: bus_type: Avoid lockdep assert in sdw_drv_probe()
  soundwire: stream: Move remaining register accesses over to no_pm
  soundwire: debugfs: Switch to sdw_read_no_pm
  soundwire: Provide build stubs for common functions
  soundwire: bus: export sdw_nwrite_no_pm and sdw_nread_no_pm functions
  soundwire: cadence: remove unused sdw_cdns_master_ops declaration
  soundwire: enable optional clock registers for SoundWire 1.2 devices
  ASoC/soundwire: remove is_sdca boolean property
  soundwire: cadence: Drain the RX FIFO after an IO timeout
  soundwire: cadence: Remove wasted space in response_buf
  soundwire: cadence: Don't overflow the command FIFOs
  soundwire: intel: remove DAI startup/shutdown
2023-02-24 17:29:52 -08:00
Linus Torvalds
8ff99ad04c phy-for-6.3
- Core support
 	- New devm_of_phy_optional_get() API with users and conversion
 
   - New support:
 	- Mediatek MT7986 tphy support
         - Qualcomm SM8550 UFS, PCIe, combo phy support, SM6115 / SM4250
           USB3 phy support, SM6350 combo phy support, SM6125 UFS PHY
 	  support amd SM8350 & SM8450 combo phy support
         - Qualcomm SNPS eUSB2 eUSB2 repeater drivers
 	- Allwinner F1C100s USB PHY support
 	- Tegra xusb support for Tegra234
 
   - Updates:
         - Yaml conversion for Qualcomm pcie2 phy and usb-hsic-phy
 	- G4 mode support in Qualcomm UFS phy and support for various SoCs
 	- Yaml conversion for Meson usb2 phy
 	- TI Type C support for usb phy for j721
 	- Yaml conversion for Tegra xusb binding
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Merge tag 'phy-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

Pull phy updates from Vinod Koul:
 "This features a bunch of new device support, a couple of new drivers,
  yaml conversion and updates of a few drivers.

  Core support:

   - New devm_of_phy_optional_get() API with users and conversion

  New hardware support:

   - Mediatek MT7986 phy support

   - Qualcomm SM8550 UFS, PCIe, combo phy support, SM6115 / SM4250 USB3
     phy support, SM6350 combo phy support, SM6125 UFS PHY support amd
     SM8350 & SM8450 combo phy support

   - Qualcomm SNPS eUSB2 eUSB2 repeater drivers

   - Allwinner F1C100s USB PHY support

   - Tegra xusb support for Tegra234

  Updates:

   - Yaml conversion for Qualcomm pcie2 phy and usb-hsic-phy

   - G4 mode support in Qualcomm UFS phy and support for various SoCs

   - Yaml conversion for Meson usb2 phy

   - TI Type C support for usb phy for j721

   - Yaml conversion for Tegra xusb binding"

* tag 'phy-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (106 commits)
  phy: qcom: phy-qcom-snps-eusb2: Add support for eUSB2 repeater
  phy: qcom: Add QCOM SNPS eUSB2 repeater driver
  dt-bindings: phy: qcom,snps-eusb2-phy: Add phys property for the repeater
  dt-bindings: phy: Add qcom,snps-eusb2-repeater schema file
  dt-bindings: phy: amlogic,g12a-usb3-pcie-phy: add missing optional phy-supply property
  phy: rockchip-typec: Fix unsigned comparison with less than zero
  phy: rockchip-typec: fix tcphy_get_mode error case
  phy: qcom: snps-eusb2: Add missing headers
  phy: qcom-qmp-combo: Add support for SM8550
  phy: qcom-qmp: Add v6 DP register offsets
  phy: qcom-qmp: pcs-usb: Add v6 register offsets
  dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp: Document SM8550 compatible
  phy: qcom: Add QCOM SNPS eUSB2 driver
  dt-bindings: phy: Add qcom,snps-eusb2-phy schema file
  phy: qcom-qmp-pcie: Add support for SM8550 g3x2 and g4x2 PCIEs
  phy: qcom-qmp: qserdes-lane-shared: Add v6 register offsets
  phy: qcom-qmp: qserdes-txrx: Add v6.20 register offsets
  phy: qcom-qmp: pcs-pcie: Add v6.20 register offsets
  phy: qcom-qmp: pcs-pcie: Add v6 register offsets
  phy: qcom-qmp: pcs: Add v6.20 register offsets
  ...
2023-02-24 17:22:11 -08:00
Linus Torvalds
9e6bfd42b1 dmaengine updates for v6.3
New support:
  - TI AM62Ax controller support
  - Xilinx xdma driver
  - Qualcomm SM6125, SM8550, QDU1000/QRU1000 GPI controller
 
  Updates:
  - Runtime pm support for at_xdmac driver
  - IMX sdma binding conversion to yaml and HDMI audio support
  - IMX mxs binding conversion to yaml
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Merge tag 'dmaengine-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "A new driver, couple of device support and binding conversion along
  with bunch of driver updates are the main features of this.

  New hardware support:

   - TI AM62Ax controller support

   - Xilinx xdma driver

   - Qualcomm SM6125, SM8550, QDU1000/QRU1000 GPI controller

  Updates:

   - Runtime pm support for at_xdmac driver

   - IMX sdma binding conversion to yaml and HDMI audio support

   - IMX mxs binding conversion to yaml"

* tag 'dmaengine-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (35 commits)
  dmaengine: idma64: Update bytes_transferred field
  dmaengine: imx-sdma: Set DMA channel to be private
  dmaengine: dw: Move check for paused channel to dwc_get_residue()
  dmaengine: ptdma: check for null desc before calling pt_cmd_callback
  dmaengine: dw-axi-dmac: Do not dereference NULL structure
  dmaengine: idxd: Fix default allowed read buffers value in group
  dmaengine: sf-pdma: pdma_desc memory leak fix
  dmaengine: Simplify dmaenginem_async_device_register() function
  dmaengine: use sysfs_emit() to instead of scnprintf()
  dmaengine: Make an order in struct dma_device definition
  dt-bindings: dma: cleanup examples - indentation, lowercase hex
  dt-bindings: dma: drop unneeded quotes
  dmaengine: xilinx: xdma: Add user logic interrupt support
  dmaengine: xilinx: xdma: Add xilinx xdma driver
  dmaengine: drivers: Use devm_platform_ioremap_resource()
  dmaengine: at_xdmac: remove empty line
  dmaengine: at_xdmac: add runtime pm support
  dmaengine: at_xdmac: align properly function members
  dmaengine: ppc4xx: Convert to use sysfs_emit()/sysfs_emit_at() APIs
  dmaengine: sun6i: Set the maximum segment size
  ...
2023-02-24 17:18:54 -08:00
Linus Torvalds
008128cd59 I2C for 6.3:
* new drivers for HPE GXP and Loongson 2K/LS7A
 * bigger refactorings for i801 and xiic
 * gpio driver gained ACPI and SDA-write only support
 * the core converted some OF helpers to fwnode helpers
 * usual bunch of driver updates
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Merge tag 'i2c-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:

 - new drivers for HPE GXP and Loongson 2K/LS7A

 - bigger refactorings for i801 and xiic

 - gpio driver gained ACPI and SDA-write only support

 - the core converted some OF helpers to fwnode helpers

 - usual bunch of driver updates

* tag 'i2c-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (52 commits)
  MAINTAINERS: Add HPE GXP I2C Support
  i2c: Add GXP SoC I2C Controller
  dt-bindings: i2c: Add hpe,gxp-i2c
  i2c: xiic: Remove some dead code
  i2c: xiic: Add SCL frequency configuration support
  i2c: xiic: Update compatible with new IP version
  dt-bindings: i2c: xiic: Add 'xlnx,axi-iic-2.1' to compatible
  i2c: i801: Call i801_check_post() from i801_access()
  i2c: i801: Call i801_check_pre() from i801_access()
  i2c: i801: Centralize configuring block commands in i801_block_transaction
  i2c: i801: Centralize configuring non-block commands in i801_simple_transaction
  i2c: i801: Handle SMBAUXCTL_E32B in i801_block_transaction_by_block only
  i2c: i801: Add i801_simple_transaction(), complementing i801_block_transaction()
  Documentation: i2c: correct spelling
  dt-bindings: i2c: i2c-st: convert to DT schema
  i2c: i801: add helper i801_set_hstadd()
  i2c: i801: make FEATURE_BLOCK_PROC dependent on FEATURE_BLOCK_BUFFER
  i2c: i801: make FEATURE_HOST_NOTIFY dependent on FEATURE_IRQ
  i2c: i801: improve interrupt handler
  i2c: st: use pm_sleep_ptr to avoid ifdef CONFIG_PM_SLEEP
  ...
2023-02-24 17:12:23 -08:00
Linus Torvalds
39f013440d power supply and reset changes for the v6.3 series
- power-supply core: remove faulty cooling logic
 - convert all sysfs show() handlers from *printf() use sysfs_emit()
 - bq25890: add dual-charger support required by Lenovo Yoga Tab 3 Pro
 - bq27xxx: fix reporting critical level
 - syscon-reboot: add priority property support
 - Introduce new rt9467 charger driver
 - Introduce new rt9471 charger driver
 - Introduce new Odroid Go Ultra poweroff driver
 - misc. minor fixes and cleanups
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Merge tag 'for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "Nothing special for the power-supply subystem this time.

   - power-supply core: remove faulty cooling logic

   - convert all sysfs show() handlers from *printf() use sysfs_emit()

   - bq25890: add dual-charger support required by Lenovo Yoga Tab 3 Pro

   - bq27xxx: fix reporting critical level

   - syscon-reboot: add priority property support

   - new rt9467 charger driver

   - new rt9471 charger driver

   - new Odroid Go Ultra poweroff driver

   - misc minor fixes and cleanups"

* tag 'for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (32 commits)
  power: reset: odroid-go-ultra: fix I2C dependency
  power: supply: leds: explicitly include linux/leds.h
  dt-bindings: power: supply: pm8941-coincell: Don't require charging properties
  dt-bindings: power: supply: pm8941-coincell: Add PM8998 compatible
  power: reset: add Odroid Go Ultra poweroff driver
  power: supply: rt9467: Fix spelling mistake "attache" -> "attach"
  power: supply: rt9471: fix using wrong ce_gpio in rt9471_probe()
  power: supply: max77650: Make max77650_charger_disable() return void
  Documentation: power: rt9467: Document exported sysfs entries
  power: supply: rt9467: Add Richtek RT9467 charger driver
  dt-bindings: power: supply: Add Richtek RT9467 battery charger
  Documentation: power: rt9471: Document exported sysfs entries
  power: supply: rt9471: Add Richtek RT9471 charger driver
  dt-bindings: power: supply: Add Richtek RT9471 battery charger
  power: supply: max1721x: Use strscpy() is more robust and safer
  power: supply: test-power: use strscpy() instead of strncpy()
  power: supply: bq27xxx: fix reporting critical level
  power: supply: bq256xx: Init ichg/vbat value with chip default value
  power: supply: collie_battery: Convert to GPIO descriptors (part 2)
  power: supply: remove faulty cooling logic
  ...
2023-02-24 17:04:23 -08:00
Linus Torvalds
90ddb3f034 pci-v6.3-changes
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Merge tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull PCI updates from Bjorn Helgaas:
 "Enumeration:

   - Rework portdrv shutdown so it disables interrupts but doesn't
     disable bus mastering, which leads to hangs on Loongson LS7A

   - Add mechanism to prevent Max_Read_Request_Size (MRRS) increases,
     again to avoid hardware issues on Loongson LS7A (and likely other
     devices based on DesignWare IP)

   - Ignore devices with a firmware (DT or ACPI) node that says the
     device is disabled

  Resource management:

   - Distribute spare resources to unconfigured hotplug bridges at
     boot-time (not just when hot-adding such a bridge), which makes
     hot-adding devices to docks work better. Tried this in v6.1 but had
     to revert for regressions, so try again

   - Fix root bus issue that dropped resources that happened to end
     at 0, e.g., [bus 00]

  PCI device hotplug:

   - Remove device locking when marking device as disconnected so this
     doesn't have to wait for concurrent driver bind/unbind to complete

   - Quirk more Qualcomm bridges that don't fully implement the PCIe
     Slot Status 'Command Completed' bit

  Power management:

   - Account for _S0W of the target bridge in acpi_pci_bridge_d3() so we
     don't miss hot-add notifications for USB4 docks, Thunderbolt, etc

  Reset:

   - Observe delay after reset, e.g., resuming from system sleep,
     regardless of whether a bridge can suspend to D3cold at runtime

   - Wait for secondary bus to become ready after a bridge reset

  Virtualization:

   - Avoid FLR on some AMD FCH AHCI adapters where it doesn't work

   - Allow independent IOMMU groups for some Wangxun NICs that prevent
     peer-to-peer transactions but don't advertise an ACS Capability

  Error handling:

   - Configure End-to-End-CRC (ECRC) only if Linux owns the AER
     Capability

   - Remove redundant Device Control Error Reporting Enable in the AER
     service driver since this is already done for all devices during
     enumeration

  ASPM:

   - Add pci_enable_link_state() interface to allow drivers to enable
     ASPM link state

  Endpoint framework:

   - Move dra7xx and tegra194 linkup processing from hard IRQ to
     threaded IRQ handler

   - Add a separate lock for endpoint controller list of endpoint
     function drivers to prevent deadlock in callbacks

   - Pass events from endpoint controller to endpoint function drivers
     via callbacks instead of notifiers

  Synopsys DesignWare eDMA controller driver (acked by Vinod):

   - Fix CPU vs PCI address issues

   - Fix source vs destination address issues

   - Fix issues with interleaved transfer semantics

   - Fix channel count initialization issue (issue still exists in
     several other drivers)

   - Clean up and improve debugfs usage so it will work on platforms
     with several eDMA devices

  Baikal T-1 PCIe controller driver:

   - Set a 64-bit DMA mask

  Freescale i.MX6 PCIe controller driver:

   - Add i.MX8MM, i.MX8MQ, i.MX8MP endpoint mode DT binding and driver
     support

  Intel VMD host bridge driver:

   - Add quirk to configure PCIe ASPM and LTR. This is normally done by
     BIOS, and will be for future products

  Marvell MVEBU PCIe controller driver:

   - Mark this driver as broken in Kconfig since bugs prevent its daily
     usage

  MediaTek MT7621 PCIe controller driver:

   - Delay PHY port initialization to improve boot reliability for ZBT
     WE1326, ZBT WF3526-P, and some Netgear models

  Qualcomm PCIe controller driver:

   - Add MSM8998 DT compatible string

   - Unify MSM8996 and MSM8998 clock orderings

   - Add SM8350 DT binding and driver support

   - Add IPQ8074 Gen3 DT binding and driver support

   - Correct qcom,perst-regs in DT binding

   - Add qcom_pcie_host_deinit() so the PHY is powered off and
     regulators and clocks are disabled on late host-init errors

  Socionext UniPhier Pro5 controller driver:

   - Clean up uniphier-ep reg, clocks, resets, and their names in DT
     binding

  Synopsys DesignWare PCIe controller driver:

   - Restrict coherent DMA mask to 32 bits for MSI, but allow controller
     drivers to set 64-bit streaming DMA mask

   - Add eDMA engine support in both Root Port and Endpoint controllers

  Miscellaneous:

   - Remove MODULE_LICENSE from boolean drivers so they don't look like
     modules so modprobe can complain about them"

* tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (86 commits)
  PCI: dwc: Add Root Port and Endpoint controller eDMA engine support
  PCI: bt1: Set 64-bit DMA mask
  PCI: dwc: Restrict only coherent DMA mask for MSI address allocation
  dmaengine: dw-edma: Prepare dw_edma_probe() for builtin callers
  dmaengine: dw-edma: Depend on DW_EDMA instead of selecting it
  dmaengine: dw-edma: Add mem-mapped LL-entries support
  PCI: Remove MODULE_LICENSE so boolean drivers don't look like modules
  PCI: hv: Drop duplicate PCI_MSI dependency
  PCI/P2PDMA: Annotate RCU dereference
  PCI/sysfs: Constify struct kobj_type pci_slot_ktype
  PCI: hotplug: Allow marking devices as disconnected during bind/unbind
  PCI: pciehp: Add Qualcomm quirk for Command Completed erratum
  PCI: qcom: Add IPQ8074 Gen3 port support
  dt-bindings: PCI: qcom: Add IPQ8074 Gen3 port
  dt-bindings: PCI: qcom: Sort compatibles alphabetically
  PCI: qcom: Fix host-init error handling
  PCI: qcom: Add SM8350 support
  dt-bindings: PCI: qcom: Add SM8350
  dt-bindings: PCI: qcom-ep: Correct qcom,perst-regs
  dt-bindings: PCI: qcom: Unify MSM8996 and MSM8998 clock order
  ...
2023-02-24 16:51:40 -08:00
Linus Torvalds
8cbd92339d v6.3 RDMA pull request
Small cycle this time:
 
 - Minor driver updates for hfi1, cxgb4, erdma, hns, irdma, mlx5, siw, mana
 
 - inline CQE support for hns
 
 - Have mlx5 display device error codes
 
 - Pinned DMABUF support for irdma
 
 - Continued rxe cleanups, particularly converting the MRs to use xarray
 
 - Improvements to what can be cached in the mlx5 mkey cache
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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:
 "Quite a small cycle this time, even with the rc8. I suppose everyone
  went to sleep over xmas.

   - Minor driver updates for hfi1, cxgb4, erdma, hns, irdma, mlx5, siw,
     mana

   - inline CQE support for hns

   - Have mlx5 display device error codes

   - Pinned DMABUF support for irdma

   - Continued rxe cleanups, particularly converting the MRs to use
     xarray

   - Improvements to what can be cached in the mlx5 mkey cache"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (61 commits)
  IB/mlx5: Extend debug control for CC parameters
  IB/hfi1: Fix sdma.h tx->num_descs off-by-one errors
  IB/hfi1: Fix math bugs in hfi1_can_pin_pages()
  RDMA/irdma: Add support for dmabuf pin memory regions
  RDMA/mlx5: Use query_special_contexts for mkeys
  net/mlx5e: Use query_special_contexts for mkeys
  net/mlx5: Change define name for 0x100 lkey value
  net/mlx5: Expose bits for querying special mkeys
  RDMA/rxe: Fix missing memory barriers in rxe_queue.h
  RDMA/mana_ib: Fix a bug when the PF indicates more entries for registering memory on first packet
  RDMA/rxe: Remove rxe_alloc()
  RDMA/cma: Distinguish between sockaddr_in and sockaddr_in6 by size
  Subject: RDMA/rxe: Handle zero length rdma
  iw_cxgb4: Fix potential NULL dereference in c4iw_fill_res_cm_id_entry()
  RDMA/mlx5: Use rdma_umem_for_each_dma_block()
  RDMA/umem: Remove unused 'work' member from struct ib_umem
  RDMA/irdma: Cap MSIX used to online CPUs + 1
  RDMA/mlx5: Check reg_create() create for errors
  RDMA/restrack: Correct spelling
  RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish()
  ...
2023-02-24 15:11:03 -08:00
Linus Torvalds
143c7bc649 iommufd for 6.3
Some polishing and small fixes for iommufd:
 
 - Remove IOMMU_CAP_INTR_REMAP, instead rely on the interrupt subsystem
 
 - Use GFP_KERNEL_ACCOUNT inside the iommu_domains
 
 - Support VFIO_NOIOMMU mode with iommufd
 
 - Various typos
 
 - A list corruption bug if HWPTs are used for attach
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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:
 "Some polishing and small fixes for iommufd:

   - Remove IOMMU_CAP_INTR_REMAP, instead rely on the interrupt
     subsystem

   - Use GFP_KERNEL_ACCOUNT inside the iommu_domains

   - Support VFIO_NOIOMMU mode with iommufd

   - Various typos

   - A list corruption bug if HWPTs are used for attach"

* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
  iommufd: Do not add the same hwpt to the ioas->hwpt_list twice
  iommufd: Make sure to zero vfio_iommu_type1_info before copying to user
  vfio: Support VFIO_NOIOMMU with iommufd
  iommufd: Add three missing structures in ucmd_buffer
  selftests: iommu: Fix test_cmd_destroy_access() call in user_copy
  iommu: Remove IOMMU_CAP_INTR_REMAP
  irq/s390: Add arch_is_isolated_msi() for s390
  iommu/x86: Replace IOMMU_CAP_INTR_REMAP with IRQ_DOMAIN_FLAG_ISOLATED_MSI
  genirq/msi: Rename IRQ_DOMAIN_MSI_REMAP to IRQ_DOMAIN_ISOLATED_MSI
  genirq/irqdomain: Remove unused irq_domain_check_msi_remap() code
  iommufd: Convert to msi_device_has_isolated_msi()
  vfio/type1: Convert to iommu_group_has_isolated_msi()
  iommu: Add iommu_group_has_isolated_msi()
  genirq/msi: Add msi_device_has_isolated_msi()
2023-02-24 14:34:12 -08:00
Linus Torvalds
a13de74e47 IOMMU Updates for Linux v6.3:
Including:
 
 	- Consolidate iommu_map/unmap functions. There have been
 	  blocking and atomic variants so far, but that was problematic
 	  as this approach does not scale with required new variants
 	  which just differ in the GFP flags used.
 	  So Jason consolidated this back into single functions that
 	  take a GFP parameter. This has the potential to cause
 	  conflicts with other trees, as they introduce new call-sites
 	  for the changed functions. I offered them to pull in the
 	  branch containing these changes and resolve it, but I am not
 	  sure everyone did that. The conflicts this caused with
 	  upstream up to v6.2-rc8 are resolved in the final merge
 	  commit.
 
 	- Retire the detach_dev() call-back in iommu_ops
 
 	- Arm SMMU updates from Will:
 	  - Device-tree binding updates:
 	    * Cater for three power domains on SM6375
 	    * Document existing compatible strings for Qualcomm SoCs
 	    * Tighten up clocks description for platform-specific compatible strings
 	  - Enable Qualcomm workarounds for some additional platforms that need them
 
 	- Intel VT-d updates from Lu Baolu:
 	  - Add Intel IOMMU performance monitoring support
 	  - Set No Execute Enable bit in PASID table entry
 	  - Two performance optimizations
 	  - Fix PASID directory pointer coherency
 	  - Fix missed rollbacks in error path
 	  - Cleanups
 
 	- Apple t8110 DART support
 
 	- Exynos IOMMU:
 	  - Implement better fault handling
 	  - Error handling fixes
 
 	- Renesas IPMMU:
 	  - Add device tree bindings for r8a779g0
 
 	- AMD IOMMU:
 	  - Various fixes for handling on SNP-enabled systems and
 	    handling of faults with unknown request-ids
 	  - Cleanups and other small fixes
 
 	- Various other smaller fixes and cleanups
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Merge tag 'iommu-updates-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - Consolidate iommu_map/unmap functions.

   There have been blocking and atomic variants so far, but that was
   problematic as this approach does not scale with required new
   variants which just differ in the GFP flags used. So Jason
   consolidated this back into single functions that take a GFP
   parameter.

 - Retire the detach_dev() call-back in iommu_ops

 - Arm SMMU updates from Will:
     - Device-tree binding updates:
         - Cater for three power domains on SM6375
         - Document existing compatible strings for Qualcomm SoCs
         - Tighten up clocks description for platform-specific
           compatible strings
     - Enable Qualcomm workarounds for some additional platforms that
       need them

 - Intel VT-d updates from Lu Baolu:
     - Add Intel IOMMU performance monitoring support
     - Set No Execute Enable bit in PASID table entry
     - Two performance optimizations
     - Fix PASID directory pointer coherency
     - Fix missed rollbacks in error path
     - Cleanups

 - Apple t8110 DART support

 - Exynos IOMMU:
     - Implement better fault handling
     - Error handling fixes

 - Renesas IPMMU:
     - Add device tree bindings for r8a779g0

 - AMD IOMMU:
     - Various fixes for handling on SNP-enabled systems and
       handling of faults with unknown request-ids
     - Cleanups and other small fixes

 - Various other smaller fixes and cleanups

* tag 'iommu-updates-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (71 commits)
  iommu/amd: Skip attach device domain is same as new domain
  iommu: Attach device group to old domain in error path
  iommu/vt-d: Allow to use flush-queue when first level is default
  iommu/vt-d: Fix PASID directory pointer coherency
  iommu/vt-d: Avoid superfluous IOTLB tracking in lazy mode
  iommu/vt-d: Fix error handling in sva enable/disable paths
  iommu/amd: Improve page fault error reporting
  iommu/amd: Do not identity map v2 capable device when snp is enabled
  iommu: Fix error unwind in iommu_group_alloc()
  iommu/of: mark an unused function as __maybe_unused
  iommu: dart: DART_T8110_ERROR range should be 0 to 5
  iommu/vt-d: Enable IOMMU perfmon support
  iommu/vt-d: Add IOMMU perfmon overflow handler support
  iommu/vt-d: Support cpumask for IOMMU perfmon
  iommu/vt-d: Add IOMMU perfmon support
  iommu/vt-d: Support Enhanced Command Interface
  iommu/vt-d: Retrieve IOMMU perfmon capability information
  iommu/vt-d: Support size of the register set in DRHD
  iommu/vt-d: Set No Execute Enable bit in PASID table entry
  iommu/vt-d: Remove sva from intel_svm_dev
  ...
2023-02-24 13:40:13 -08:00
Linus Torvalds
8395d932d2 Devicetree updates for v6.3:
DT core:
 - Add node lifecycle unit tests
 
 - Add of_property_present() helper aligned with fwnode API
 
 - Print more information on reserved regions on boot
 
 - Update dtc to upstream v1.6.1-66-gabbd523bae6e
 
 - Use strscpy() to instead of strncpy() in DT core
 
 - Add option for schema validation on %.dtb targets
 
 Bindings:
 - Add/fix support for listing multiple patterns in DT_SCHEMA_FILES
 
 - Rework external memory controller/bus bindings to properly support
   controller specific child node properties
 
 - Convert loongson,ls1x-intc, fcs,fusb302, sil,sii8620, Rockchip RK3399
   PCIe, Synquacer I2C, and Synquacer EXIU bindings to DT schema format
 
 - Add RiscV SBI PMU event mapping binding
 
 - Add missing contraints on Arm SCMI child node allowed properties
 
 - Add a bunch of missing Socionext UniPhier glue block bindings and
   example fixes
 
 - Various fixes for duplicate or conflicting type definitions on DT
   properties
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Merge tag 'devicetree-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:
 "DT core:

   - Add node lifecycle unit tests

   - Add of_property_present() helper aligned with fwnode API

   - Print more information on reserved regions on boot

   - Update dtc to upstream v1.6.1-66-gabbd523bae6e

   - Use strscpy() to instead of strncpy() in DT core

   - Add option for schema validation on %.dtb targets

  Bindings:

   - Add/fix support for listing multiple patterns in DT_SCHEMA_FILES

   - Rework external memory controller/bus bindings to properly support
     controller specific child node properties

   - Convert loongson,ls1x-intc, fcs,fusb302, sil,sii8620, Rockchip
     RK3399 PCIe, Synquacer I2C, and Synquacer EXIU bindings to DT
     schema format

   - Add RiscV SBI PMU event mapping binding

   - Add missing contraints on Arm SCMI child node allowed properties

   - Add a bunch of missing Socionext UniPhier glue block bindings and
     example fixes

   - Various fixes for duplicate or conflicting type definitions on DT
     properties"

* tag 'devicetree-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (66 commits)
  dt-bindings: regulator: Add mps,mpq7932 power-management IC
  of: dynamic: Fix spelling mistake "kojbect" -> "kobject"
  dt-bindings: drop Sagar Kadam from SiFive binding maintainership
  dt-bindings: sram: qcom,imem: document sm8450
  dt-bindings: interrupt-controller: convert loongson,ls1x-intc.txt to json-schema
  dt-bindings: arm: Add Cortex-A715 and X3
  of: dynamic: add lifecycle docbook info to node creation functions
  of: add consistency check to of_node_release()
  of: do not use "%pOF" printk format on node with refcount of zero
  of: unittest: add node lifecycle tests
  of: update kconfig unittest help
  of: add processing of EXPECT_NOT to of_unittest_expect
  of: prepare to add processing of EXPECT_NOT to of_unittest_expect
  of: Use preferred of_property_read_* functions
  of: Use of_property_present() helper
  of: Add of_property_present() helper
  of: reserved_mem: Use proper binary prefix
  dt-bindings: Fix multi pattern support in DT_SCHEMA_FILES
  of: reserved-mem: print out reserved-mem details during boot
  dt-bindings: serial: restrict possible child node names
  ...
2023-02-24 13:31:53 -08:00
Linus Torvalds
a93e884edf Driver core changes for 6.3-rc1
Here is the large set of driver core changes for 6.3-rc1.
 
 There's a lot of changes this development cycle, most of the work falls
 into two different categories:
   - fw_devlink fixes and updates.  This has gone through numerous review
     cycles and lots of review and testing by lots of different devices.
     Hopefully all should be good now, and Saravana will be keeping a
     watch for any potential regression on odd embedded systems.
   - driver core changes to work to make struct bus_type able to be moved
     into read-only memory (i.e. const)  The recent work with Rust has
     pointed out a number of areas in the driver core where we are
     passing around and working with structures that really do not have
     to be dynamic at all, and they should be able to be read-only making
     things safer overall.  This is the contuation of that work (started
     last release with kobject changes) in moving struct bus_type to be
     constant.  We didn't quite make it for this release, but the
     remaining patches will be finished up for the release after this
     one, but the groundwork has been laid for this effort.
 
 Other than that we have in here:
   - debugfs memory leak fixes in some subsystems
   - error path cleanups and fixes for some never-able-to-be-hit
     codepaths.
   - cacheinfo rework and fixes
   - Other tiny fixes, full details are in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the large set of driver core changes for 6.3-rc1.

  There's a lot of changes this development cycle, most of the work
  falls into two different categories:

   - fw_devlink fixes and updates. This has gone through numerous review
     cycles and lots of review and testing by lots of different devices.
     Hopefully all should be good now, and Saravana will be keeping a
     watch for any potential regression on odd embedded systems.

   - driver core changes to work to make struct bus_type able to be
     moved into read-only memory (i.e. const) The recent work with Rust
     has pointed out a number of areas in the driver core where we are
     passing around and working with structures that really do not have
     to be dynamic at all, and they should be able to be read-only
     making things safer overall. This is the contuation of that work
     (started last release with kobject changes) in moving struct
     bus_type to be constant. We didn't quite make it for this release,
     but the remaining patches will be finished up for the release after
     this one, but the groundwork has been laid for this effort.

  Other than that we have in here:

   - debugfs memory leak fixes in some subsystems

   - error path cleanups and fixes for some never-able-to-be-hit
     codepaths.

   - cacheinfo rework and fixes

   - Other tiny fixes, full details are in the shortlog

  All of these have been in linux-next for a while with no reported
  problems"

[ Geert Uytterhoeven points out that that last sentence isn't true, and
  that there's a pending report that has a fix that is queued up - Linus ]

* tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits)
  debugfs: drop inline constant formatting for ERR_PTR(-ERROR)
  OPP: fix error checking in opp_migrate_dentry()
  debugfs: update comment of debugfs_rename()
  i3c: fix device.h kernel-doc warnings
  dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
  driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place
  Revert "driver core: add error handling for devtmpfs_create_node()"
  Revert "devtmpfs: add debug info to handle()"
  Revert "devtmpfs: remove return value of devtmpfs_delete_node()"
  driver core: cpu: don't hand-override the uevent bus_type callback.
  devtmpfs: remove return value of devtmpfs_delete_node()
  devtmpfs: add debug info to handle()
  driver core: add error handling for devtmpfs_create_node()
  driver core: bus: update my copyright notice
  driver core: bus: add bus_get_dev_root() function
  driver core: bus: constify bus_unregister()
  driver core: bus: constify some internal functions
  driver core: bus: constify bus_get_kset()
  driver core: bus: constify bus_register/unregister_notifier()
  driver core: remove private pointer from struct bus_type
  ...
2023-02-24 12:58:55 -08:00
Linus Torvalds
693fed981e Char/Misc and other driver subsystem changes for 6.3-rc1
Here is the large set of driver changes for char/misc drivers and other
 smaller driver subsystems that flow through this git tree.
 
 Included in here are:
   - New IIO drivers and features and improvments in that subsystem
   - New hwtracing drivers and additions to that subsystem
   - lots of interconnect changes and new drivers as that subsystem seems
     under very active development recently.  This required also merging
     in the icc subsystem changes through this tree.
   - FPGA driver updates
   - counter subsystem and driver updates
   - MHI driver updates
   - nvmem driver updates
   - documentation updates
   - Other smaller driver updates and fixes, full details in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver subsystem updates from Greg KH:
 "Here is the large set of driver changes for char/misc drivers and
  other smaller driver subsystems that flow through this git tree.

  Included in here are:

   - New IIO drivers and features and improvments in that subsystem

   - New hwtracing drivers and additions to that subsystem

   - lots of interconnect changes and new drivers as that subsystem
     seems under very active development recently. This required also
     merging in the icc subsystem changes through this tree.

   - FPGA driver updates

   - counter subsystem and driver updates

   - MHI driver updates

   - nvmem driver updates

   - documentation updates

   - Other smaller driver updates and fixes, full details in the
     shortlog

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (223 commits)
  scripts/tags.sh: fix incompatibility with PCRE2
  firmware: coreboot: Remove GOOGLE_COREBOOT_TABLE_ACPI/OF Kconfig entries
  mei: lower the log level for non-fatal failed messages
  mei: bus: disallow driver match while dismantling device
  misc: vmw_balloon: fix memory leak with using debugfs_lookup()
  nvmem: stm32: fix OPTEE dependency
  dt-bindings: nvmem: qfprom: add IPQ8074 compatible
  nvmem: qcom-spmi-sdam: register at device init time
  nvmem: rave-sp-eeprm: fix kernel-doc bad line warning
  nvmem: stm32: detect bsec pta presence for STM32MP15x
  nvmem: stm32: add OP-TEE support for STM32MP13x
  nvmem: core: use nvmem_add_one_cell() in nvmem_add_cells_from_of()
  nvmem: core: add nvmem_add_one_cell()
  nvmem: core: drop the removal of the cells in nvmem_add_cells()
  nvmem: core: move struct nvmem_cell_info to nvmem-provider.h
  nvmem: core: add an index parameter to the cell
  of: property: add #nvmem-cell-cells property
  of: property: make #.*-cells optional for simple props
  of: base: add of_parse_phandle_with_optional_args()
  net: add helper eth_addr_add()
  ...
2023-02-24 12:47:33 -08:00
Linus Torvalds
0601f25d1c Staging driver update for 6.3-rc1
Here is the "boring" staging driver update for 6.3-rc1.
 
 Nothing major in here at all, it's just lots of tiny code cleanups to
 bring some of the staging drivers more in line with the real portion of
 the kernel (apis and coding style.)  Overall we remove more lines of
 code than we add, always a nice result.
 
 The big work was done by Martin Kaiser and Philipp Hortmann, both
 tackling some of the older wifi drivers, removing unused code and
 structures and a file in one case.
 
 Full details of the changes are in the shortlog.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the "boring" staging driver update for 6.3-rc1.

  Nothing major in here at all, it's just lots of tiny code cleanups to
  bring some of the staging drivers more in line with the real portion
  of the kernel (apis and coding style.) Overall we remove more lines of
  code than we add, always a nice result.

  The big work was done by Martin Kaiser and Philipp Hortmann, both
  tackling some of the older wifi drivers, removing unused code and
  structures and a file in one case.

  Full details of the changes are in the shortlog.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (219 commits)
  staging: r8188eu: Revert "staging: r8188eu: simplify rtw_get_ff_hwaddr"
  staging: r8188eu: replace hand coded loop with list_for_each_entry
  staging: r8188eu: merge _rtw_enqueue_cmd into its caller
  most: add maintainer entry
  staging: rtl8192e: Use BIT() instead of << for bit field MSR_LINK_MASK
  staging: rtl8192e: Rename DM_RxPathSelTable
  staging: rtl8192e: Rename diff_TH and disabledRF
  staging: rtl8192e: Rename Enable, cck_Rx_path and SS_TH_low
  staging: rtl8192e: Rename RateAdaptiveTH.., VeryLowRSSI and WAIotTHVal
  staging: rtl8192e: Rename RxPathSelectio.., RateAdaptive.. and RateAdap..
  staging: rtl8192e: Rename OFDM_Table.., CCK_Table_.. and RxPathSelecti..
  staging: rtl8192e: Rename MacBlkCtrl and remove double definition
  staging: rtl8192e: Remove blank lines in r8192E_hw.h, rtl_core.h and ..
  staging: rtl8192e: Rename AcmHw_ViqEn, AcmHw_VoqEn and ANAPAR_FOR_8192PciE
  staging: r8188eu: bagg_pkt parameter is not used
  staging: r8188eu: simplify rtw_get_ff_hwaddr
  staging: r8188eu: simplify xmit_buf flags
  staging: r8188eu: xmit_buf's ff_hwaddr is not used
  staging: r8188eu: remove unused frametag defines
  staging: r8188eu: simplify rtw_alloc_xmitframe
  ...
2023-02-24 12:25:55 -08:00
Linus Torvalds
17cd4d6f05 TTY/Serial driver updates for 6.3-rc1
Here is the big set of serial and tty driver updates for 6.3-rc1.
 
 Once again, Jiri and Ilpo have done a number of core vt and tty/serial
 layer cleanups that were much needed and appreciated.  Other than that,
 it's just a bunch of little tty/serial driver updates:
   - qcom-geni-serial driver updates
   - liteuart driver updates
   - hvcs driver cleanups
   - n_gsm updates and additions for new features
   - more 8250 device support added
   - fpga/dfl update and additions
   - imx serial driver updates
   - fsl_lpuart updates
   - other tiny fixes and updates for serial drivers
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial driver updates from Greg KH:
 "Here is the big set of serial and tty driver updates for 6.3-rc1.

  Once again, Jiri and Ilpo have done a number of core vt and tty/serial
  layer cleanups that were much needed and appreciated. Other than that,
  it's just a bunch of little tty/serial driver updates:

   - qcom-geni-serial driver updates

   - liteuart driver updates

   - hvcs driver cleanups

   - n_gsm updates and additions for new features

   - more 8250 device support added

   - fpga/dfl update and additions

   - imx serial driver updates

   - fsl_lpuart updates

   - other tiny fixes and updates for serial drivers

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (143 commits)
  tty: n_gsm: add keep alive support
  serial: imx: remove a redundant check
  dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties
  soc: qcom: geni-se: Move qcom-geni-se.h to linux/soc/qcom/geni-se.h
  tty: n_gsm: add TIOCMIWAIT support
  tty: n_gsm: add RING/CD control support
  tty: n_gsm: mark unusable ioctl structure fields accordingly
  serial: imx: get rid of registers shadowing
  serial: imx: refine local variables in rxint()
  serial: imx: stop using USR2 in FIFO reading loop
  serial: imx: remove redundant USR2 read from FIFO reading loop
  serial: imx: do not break from FIFO reading loop prematurely
  serial: imx: do not sysrq broken chars
  serial: imx: work-around for hardware RX flood
  serial: imx: factor-out common code to imx_uart_soft_reset()
  serial: 8250_pci1xxxx: Add power management functions to quad-uart driver
  serial: 8250_pci1xxxx: Add RS485 support to quad-uart driver
  serial: 8250_pci1xxxx: Add driver for quad-uart support
  serial: 8250_pci: Add serial8250_pci_setup_port definition in 8250_pcilib.c
  tty: pcn_uart: fix memory leak with using debugfs_lookup()
  ...
2023-02-24 12:17:14 -08:00
Linus Torvalds
72bffe7e1e USB / Thunderbolt driver changes for 6.3-rc1
Here is the big set of USB and Thunderbolt driver changes for 6.3-rc1.
 
 Nothing major in here, just lots of good development, including:
   - Thunderbolt additions for new device support and features
   - xhci driver updates and cleanups
   - USB gadget media driver updates (includes media core changes that
     were acked by the v4l2 maintainers)
   - lots of other USB gadget driver updates for new features
   - dwc3 driver updates and fixes
   - minor debugfs leak fixes
   - typec driver updates and additions
   - dt-bindings conversions to yaml
   - other small bugfixes and driver updates
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt driver updates from Greg KH:
 "Here is the big set of USB and Thunderbolt driver changes for 6.3-rc1.

  Nothing major in here, just lots of good development, including:

   - Thunderbolt additions for new device support and features

   - xhci driver updates and cleanups

   - USB gadget media driver updates (includes media core changes that
     were acked by the v4l2 maintainers)

   - lots of other USB gadget driver updates for new features

   - dwc3 driver updates and fixes

   - minor debugfs leak fixes

   - typec driver updates and additions

   - dt-bindings conversions to yaml

   - other small bugfixes and driver updates

  All have been in linux-next for a while with no reported issues"

* tag 'usb-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (237 commits)
  usb: dwc3: xilinx: Remove unused of_gpio,h
  usb: typec: pd: Add higher capability sysfs for sink PDO
  usb: typec: pd: Remove usb_suspend_supported sysfs from sink PDO
  usb: dwc3: pci: add support for the Intel Meteor Lake-M
  usb: gadget: u_ether: Don't warn in gether_setup_name_default()
  usb: gadget: u_ether: Convert prints to device prints
  usb: gadget: u_serial: Add null pointer check in gserial_resume
  usb: gadget: uvc: fix missing mutex_unlock() if kstrtou8() fails
  xhci: host: potential NULL dereference in xhci_generic_plat_probe()
  dt-bindings: usb: amlogic,meson-g12a-usb-ctrl: make G12A usb3-phy0 optional
  usb: host: fsl-mph-dr-of: reuse device_set_of_node_from_dev
  of: device: Do not ignore error code in of_device_uevent_modalias
  of: device: Ignore modalias of reused nodes
  usb: gadget: configfs: Fix set but not used variable warning
  usb: gadget: uvc: Use custom strings if available
  usb: gadget: uvc: Allow linking function to string descs
  usb: gadget: uvc: Pick up custom string descriptor IDs
  usb: gadget: uvc: Allow linking XUs to string descriptors
  usb: gadget: configfs: Attach arbitrary strings to cdev
  usb: gadget: configfs: Support arbitrary string descriptors
  ...
2023-02-24 12:07:00 -08:00
David Howells
ab7362d04d cifs: Fix cifs_writepages_region()
Fix the cifs_writepages_region() to just jump over members of the batch
that have been cleaned up rather than counting them as skipped.

Unlike the other "skip_write" cases, this situation happens even for
WB_SYNC_ALL, simply because the page has either been cleaned by somebody
else, or was truncated.

So in this case we're not "skipping" the write, we simply no longer need
any write at all, so it's very different from the other skip_write cases.

And we definitely shouldn't stop writing the rest just because of too
many of these cases (or because we want to be rescheduled).

Fixes: 3822a7c409 ("Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/lkml/2213409.1677249075@warthog.procyon.org.uk/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-02-24 11:01:58 -08:00
Linus Torvalds
d2980d8d82 There is no particular theme here - mainly quick hits all over the tree.
Most notable is a set of zlib changes from Mikhail Zaslonko which enhances
 and fixes zlib's use of S390 hardware support: "lib/zlib: Set of s390
 DFLTCC related patches for kernel zlib".
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Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:
 "There is no particular theme here - mainly quick hits all over the
  tree.

  Most notable is a set of zlib changes from Mikhail Zaslonko which
  enhances and fixes zlib's use of S390 hardware support: 'lib/zlib: Set
  of s390 DFLTCC related patches for kernel zlib'"

* tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (55 commits)
  Update CREDITS file entry for Jesper Juhl
  sparc: allow PM configs for sparc32 COMPILE_TEST
  hung_task: print message when hung_task_warnings gets down to zero.
  arch/Kconfig: fix indentation
  scripts/tags.sh: fix the Kconfig tags generation when using latest ctags
  nilfs2: prevent WARNING in nilfs_dat_commit_end()
  lib/zlib: remove redundation assignement of avail_in dfltcc_gdht()
  lib/Kconfig.debug: do not enable DEBUG_PREEMPT by default
  lib/zlib: DFLTCC always switch to software inflate for Z_PACKET_FLUSH option
  lib/zlib: DFLTCC support inflate with small window
  lib/zlib: Split deflate and inflate states for DFLTCC
  lib/zlib: DFLTCC not writing header bits when avail_out == 0
  lib/zlib: fix DFLTCC ignoring flush modes when avail_in == 0
  lib/zlib: fix DFLTCC not flushing EOBS when creating raw streams
  lib/zlib: implement switching between DFLTCC and software
  lib/zlib: adjust offset calculation for dfltcc_state
  nilfs2: replace WARN_ONs for invalid DAT metadata block requests
  scripts/spelling.txt: add "exsits" pattern and fix typo instances
  fs: gracefully handle ->get_block not mapping bh in __mpage_writepage
  cramfs: Kconfig: fix spelling & punctuation
  ...
2023-02-23 17:55:40 -08:00
Linus Torvalds
3822a7c409 - Daniel Verkamp has contributed a memfd series ("mm/memfd: add
F_SEAL_EXEC") which permits the setting of the memfd execute bit at
   memfd creation time, with the option of sealing the state of the X bit.
 
 - Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
   thread-safe for pmd unshare") which addresses a rare race condition
   related to PMD unsharing.
 
 - Several folioification patch serieses from Matthew Wilcox, Vishal
   Moola, Sidhartha Kumar and Lorenzo Stoakes
 
 - Johannes Weiner has a series ("mm: push down lock_page_memcg()") which
   does perform some memcg maintenance and cleanup work.
 
 - SeongJae Park has added DAMOS filtering to DAMON, with the series
   "mm/damon/core: implement damos filter".  These filters provide users
   with finer-grained control over DAMOS's actions.  SeongJae has also done
   some DAMON cleanup work.
 
 - Kairui Song adds a series ("Clean up and fixes for swap").
 
 - Vernon Yang contributed the series "Clean up and refinement for maple
   tree".
 
 - Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series.  It
   adds to MGLRU an LRU of memcgs, to improve the scalability of global
   reclaim.
 
 - David Hildenbrand has added some userfaultfd cleanup work in the
   series "mm: uffd-wp + change_protection() cleanups".
 
 - Christoph Hellwig has removed the generic_writepages() library
   function in the series "remove generic_writepages".
 
 - Baolin Wang has performed some maintenance on the compaction code in
   his series "Some small improvements for compaction".
 
 - Sidhartha Kumar is doing some maintenance work on struct page in his
   series "Get rid of tail page fields".
 
 - David Hildenbrand contributed some cleanup, bugfixing and
   generalization of pte management and of pte debugging in his series "mm:
   support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with swap
   PTEs".
 
 - Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
   flag in the series "Discard __GFP_ATOMIC".
 
 - Sergey Senozhatsky has improved zsmalloc's memory utilization with his
   series "zsmalloc: make zspage chain size configurable".
 
 - Joey Gouly has added prctl() support for prohibiting the creation of
   writeable+executable mappings.  The previous BPF-based approach had
   shortcomings.  See "mm: In-kernel support for memory-deny-write-execute
   (MDWE)".
 
 - Waiman Long did some kmemleak cleanup and bugfixing in the series
   "mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".
 
 - T.J.  Alumbaugh has contributed some MGLRU cleanup work in his series
   "mm: multi-gen LRU: improve".
 
 - Jiaqi Yan has provided some enhancements to our memory error
   statistics reporting, mainly by presenting the statistics on a per-node
   basis.  See the series "Introduce per NUMA node memory error
   statistics".
 
 - Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
   regression in compaction via his series "Fix excessive CPU usage during
   compaction".
 
 - Christoph Hellwig does some vmalloc maintenance work in the series
   "cleanup vfree and vunmap".
 
 - Christoph Hellwig has removed block_device_operations.rw_page() in ths
   series "remove ->rw_page".
 
 - We get some maple_tree improvements and cleanups in Liam Howlett's
   series "VMA tree type safety and remove __vma_adjust()".
 
 - Suren Baghdasaryan has done some work on the maintainability of our
   vm_flags handling in the series "introduce vm_flags modifier functions".
 
 - Some pagemap cleanup and generalization work in Mike Rapoport's series
   "mm, arch: add generic implementation of pfn_valid() for FLATMEM" and
   "fixups for generic implementation of pfn_valid()"
 
 - Baoquan He has done some work to make /proc/vmallocinfo and
   /proc/kcore better represent the real state of things in his series
   "mm/vmalloc.c: allow vread() to read out vm_map_ram areas".
 
 - Jason Gunthorpe rationalized the GUP system's interface to the rest of
   the kernel in the series "Simplify the external interface for GUP".
 
 - SeongJae Park wishes to migrate people from DAMON's debugfs interface
   over to its sysfs interface.  To support this, we'll temporarily be
   printing warnings when people use the debugfs interface.  See the series
   "mm/damon: deprecate DAMON debugfs interface".
 
 - Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
   and clean-ups" series.
 
 - Huang Ying has provided a dramatic reduction in migration's TLB flush
   IPI rates with the series "migrate_pages(): batch TLB flushing".
 
 - Arnd Bergmann has some objtool fixups in "objtool warning fixes".
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Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Daniel Verkamp has contributed a memfd series ("mm/memfd: add
   F_SEAL_EXEC") which permits the setting of the memfd execute bit at
   memfd creation time, with the option of sealing the state of the X
   bit.

 - Peter Xu adds a patch series ("mm/hugetlb: Make huge_pte_offset()
   thread-safe for pmd unshare") which addresses a rare race condition
   related to PMD unsharing.

 - Several folioification patch serieses from Matthew Wilcox, Vishal
   Moola, Sidhartha Kumar and Lorenzo Stoakes

 - Johannes Weiner has a series ("mm: push down lock_page_memcg()")
   which does perform some memcg maintenance and cleanup work.

 - SeongJae Park has added DAMOS filtering to DAMON, with the series
   "mm/damon/core: implement damos filter".

   These filters provide users with finer-grained control over DAMOS's
   actions. SeongJae has also done some DAMON cleanup work.

 - Kairui Song adds a series ("Clean up and fixes for swap").

 - Vernon Yang contributed the series "Clean up and refinement for maple
   tree".

 - Yu Zhao has contributed the "mm: multi-gen LRU: memcg LRU" series. It
   adds to MGLRU an LRU of memcgs, to improve the scalability of global
   reclaim.

 - David Hildenbrand has added some userfaultfd cleanup work in the
   series "mm: uffd-wp + change_protection() cleanups".

 - Christoph Hellwig has removed the generic_writepages() library
   function in the series "remove generic_writepages".

 - Baolin Wang has performed some maintenance on the compaction code in
   his series "Some small improvements for compaction".

 - Sidhartha Kumar is doing some maintenance work on struct page in his
   series "Get rid of tail page fields".

 - David Hildenbrand contributed some cleanup, bugfixing and
   generalization of pte management and of pte debugging in his series
   "mm: support __HAVE_ARCH_PTE_SWP_EXCLUSIVE on all architectures with
   swap PTEs".

 - Mel Gorman and Neil Brown have removed the __GFP_ATOMIC allocation
   flag in the series "Discard __GFP_ATOMIC".

 - Sergey Senozhatsky has improved zsmalloc's memory utilization with
   his series "zsmalloc: make zspage chain size configurable".

 - Joey Gouly has added prctl() support for prohibiting the creation of
   writeable+executable mappings.

   The previous BPF-based approach had shortcomings. See "mm: In-kernel
   support for memory-deny-write-execute (MDWE)".

 - Waiman Long did some kmemleak cleanup and bugfixing in the series
   "mm/kmemleak: Simplify kmemleak_cond_resched() & fix UAF".

 - T.J. Alumbaugh has contributed some MGLRU cleanup work in his series
   "mm: multi-gen LRU: improve".

 - Jiaqi Yan has provided some enhancements to our memory error
   statistics reporting, mainly by presenting the statistics on a
   per-node basis. See the series "Introduce per NUMA node memory error
   statistics".

 - Mel Gorman has a second and hopefully final shot at fixing a CPU-hog
   regression in compaction via his series "Fix excessive CPU usage
   during compaction".

 - Christoph Hellwig does some vmalloc maintenance work in the series
   "cleanup vfree and vunmap".

 - Christoph Hellwig has removed block_device_operations.rw_page() in
   ths series "remove ->rw_page".

 - We get some maple_tree improvements and cleanups in Liam Howlett's
   series "VMA tree type safety and remove __vma_adjust()".

 - Suren Baghdasaryan has done some work on the maintainability of our
   vm_flags handling in the series "introduce vm_flags modifier
   functions".

 - Some pagemap cleanup and generalization work in Mike Rapoport's
   series "mm, arch: add generic implementation of pfn_valid() for
   FLATMEM" and "fixups for generic implementation of pfn_valid()"

 - Baoquan He has done some work to make /proc/vmallocinfo and
   /proc/kcore better represent the real state of things in his series
   "mm/vmalloc.c: allow vread() to read out vm_map_ram areas".

 - Jason Gunthorpe rationalized the GUP system's interface to the rest
   of the kernel in the series "Simplify the external interface for
   GUP".

 - SeongJae Park wishes to migrate people from DAMON's debugfs interface
   over to its sysfs interface. To support this, we'll temporarily be
   printing warnings when people use the debugfs interface. See the
   series "mm/damon: deprecate DAMON debugfs interface".

 - Andrey Konovalov provided the accurately named "lib/stackdepot: fixes
   and clean-ups" series.

 - Huang Ying has provided a dramatic reduction in migration's TLB flush
   IPI rates with the series "migrate_pages(): batch TLB flushing".

 - Arnd Bergmann has some objtool fixups in "objtool warning fixes".

* tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (505 commits)
  include/linux/migrate.h: remove unneeded externs
  mm/memory_hotplug: cleanup return value handing in do_migrate_range()
  mm/uffd: fix comment in handling pte markers
  mm: change to return bool for isolate_movable_page()
  mm: hugetlb: change to return bool for isolate_hugetlb()
  mm: change to return bool for isolate_lru_page()
  mm: change to return bool for folio_isolate_lru()
  objtool: add UACCESS exceptions for __tsan_volatile_read/write
  kmsan: disable ftrace in kmsan core code
  kasan: mark addr_has_metadata __always_inline
  mm: memcontrol: rename memcg_kmem_enabled()
  sh: initialize max_mapnr
  m68k/nommu: add missing definition of ARCH_PFN_OFFSET
  mm: percpu: fix incorrect size in pcpu_obj_full_size()
  maple_tree: reduce stack usage with gcc-9 and earlier
  mm: page_alloc: call panic() when memoryless node allocation fails
  mm: multi-gen LRU: avoid futile retries
  migrate_pages: move THP/hugetlb migration support check to simplify code
  migrate_pages: batch flushing TLB
  migrate_pages: share more code between _unmap and _move
  ...
2023-02-23 17:09:35 -08:00
Linus Torvalds
e4bc158895 - Remove Drivers
- HTC ASIC3 LED
 
  - New Functionality
    - Provide generic led_get() which can be used by both DT and !DT platforms
 
  - Fix-ups
    - Convert a bunch of I2C subsystem users to the new probing API
    - Explicitly provide missing include files
    - Make use of led_init_default_state_get() and rid the custom variants
    - Use simplified fwnode_device_is_compatible() API
    - Provide some Device Tree additions / adaptions
    - Fix some trivial spelling issues
 
  - Bug Fixes
    - Prevent device refcount leak during led_put() and of_led_get()
    - Clear previous data from temporary led_pwm structure before processing next child
    - Fix Clang's warning about incompatible function types when using devm_add_action*()
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Merge tag 'leds-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

Pull LED updates from Lee Jones:
 "Removed Drivers:
   - HTC ASIC3 LED

  New Functionality:
   - Provide generic led_get() which can be used by both DT and !DT
     platforms

  Fix-ups:
   - Convert a bunch of I2C subsystem users to the new probing API
   - Explicitly provide missing include files
   - Make use of led_init_default_state_get() and rid the custom
     variants
   - Use simplified fwnode_device_is_compatible() API
   - Provide some Device Tree additions / adaptions
   - Fix some trivial spelling issues

  Bug Fixes:
   - Prevent device refcount leak during led_put() and of_led_get()
   - Clear previous data from temporary led_pwm structure before
     processing next child
   - Fix Clang's warning about incompatible function types when using
     devm_add_action*()"

* tag 'leds-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (41 commits)
  leds: Remove ide-disk trigger
  dt-bindings: leds: Add disk write/read and usb-host/usb-gadget
  Documentation: leds: Correct spelling
  dt-bindings: leds: Document Bluetooth and WLAN triggers
  leds: Remove asic3 driver
  leds: simatic-ipc-leds-gpio: Make sure we have the GPIO providing driver
  leds: tca6507: Convert to use fwnode_device_is_compatible()
  leds: syscon: Get rid of custom led_init_default_state_get()
  leds: pm8058: Get rid of custom led_init_default_state_get()
  leds: pca955x: Get rid of custom led_init_default_state_get()
  leds: mt6360: Get rid of custom led_init_default_state_get()
  leds: mt6323: Get rid of custom led_init_default_state_get()
  leds: bcm6358: Get rid of custom led_init_default_state_get()
  leds: bcm6328: Get rid of custom led_init_default_state_get()
  leds: an30259a: Get rid of custom led_init_default_state_get()
  leds: Move led_init_default_state_get() to the global header
  leds: Add missing includes and forward declarations in leds.h
  leds: is31fl319x: Wrap mutex_destroy() for devm_add_action_or_rest()
  leds: turris-omnia: Convert to i2c's .probe_new()
  leds: tlc591xx: Convert to i2c's .probe_new()
  ...
2023-02-23 15:09:31 -08:00
Linus Torvalds
025cf4dc5d - New Drivers
- Add support for Kinetic KTZ8866 Backlight
 
  - Remove Drivers
    - Toshiba Sharp SL-6000 LCD and Backlight
 
  - Fix-ups
    - Provide some profiling optimisations with respect to pwm_get_state() and pwm_apply_state()
    - Make use of the dev_err_probe() API
    - Provide some Device Tree documentation additions / adaptions
    - Drop fall-back legacy PWM probing support
    - Convert over to new I2C probing API
    - Fix incorrect documentation
    - Make use of backlight_get_brightness() API
 
  - Bug Fixes
    - Fix disabling backlight on i.MX6 when inverted PWMs are used
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Merge tag 'backlight-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "New Drivers:
   - Add support for Kinetic KTZ8866 Backlight

  Removed Drivers:
   - Toshiba Sharp SL-6000 LCD and Backlight

  Fix-ups:
   - Provide some profiling optimisations with respect to
     pwm_get_state() and pwm_apply_state()
   - Make use of the dev_err_probe() API
   - Provide some Device Tree documentation additions / adaptions
   - Drop fall-back legacy PWM probing support
   - Convert over to new I2C probing API
   - Fix incorrect documentation
   - Make use of backlight_get_brightness() API

  Bug Fixes:
   - Fix disabling backlight on i.MX6 when inverted PWMs are used"

* tag 'backlight-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: ktz8866: Convert to i2c's .probe_new()
  backlight: ktz8866: Add support for Kinetic KTZ8866 backlight
  dt-bindings: leds: backlight: Add Kinetic KTZ8866 backlight
  backlight: pwm_bl: Don't rely on a disabled PWM emiting inactive state
  backlight: pwm_bl: Configure pwm only once per backlight toggle
  backlight: Remove pxa tosa support
  backlight: aat2870: Use backlight helper
  backlight: ipaq_micro: Use backlight helper
  backlight: arcxcnn: Use backlight helper
  backlight: sky81452: Fix sky81452_bl_platform_data kernel-doc
  backlight: pwm_bl: Drop support for legacy PWM probing
  dt-bindings: backlight: qcom-wled: Add PMI8950 compatible
  backlight: ktd253: Switch to use dev_err_probe() helper
  backlight: backlight: Fix doc for backlight_device_get_by_name
2023-02-23 15:06:28 -08:00
Linus Torvalds
c2c23dc7d5 - Core Frameworks
- Change MFD support status from Supported to Maintained
 
  - New Drivers
    - Add support for the Intel Platform Management Component Interface (PMCI)
 
  - Remove Drivers
    - HTC PASIC3 LED/DS1WM
    - Toshiba T7L66XB, TC6387XB and TC6393XB TMIO
 
  - New Device Support
    - Add support for N6000 Flash to Intel M10 BMC PMCI
    - Add support for Lenovo Yoga Tab 3 to Intel CHTWC PMIC
 
  - New Functionality
    - Provide Reset support to Syscon
 
  - Fix-ups
    - Explicitly provide missing include files
    - Pass platform type data/info via the SPI/I2C/DT registration strategy
    - Lots of DT documentation / adaptions
    - Replace scnprintf() with preferred sysfs_emit()
    - Remove unused / superfluous code
    - Fix some trivial whitesspace / spelling / grammatical issues
    - Replace pm_power_off with new and improved register_sys_off_handler() API
 
  - Bug Fixes
    - Reintroduce RK808-clkout registration - fixing Wi-Fi and Bluetooth
    - Repair the order of AXPxxx IRQ PEK RISE/FALL definitions
    - Refuse to build CS5535 on unsupported UML architectures
    - Fix memory leaks in error return paths
    - Prevent refcount leaks in error return paths
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Merge tag 'mfd-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Framework:
   - Change MFD support status from Supported to Maintained

  New Drivers:
   - Add support for the Intel Platform Management Component Interface
     (PMCI)

  Removed Drivers:
   - HTC PASIC3 LED/DS1WM
   - Toshiba T7L66XB, TC6387XB and TC6393XB TMIO

  New Device Support:
   - Add support for N6000 Flash to Intel M10 BMC PMCI
   - Add support for Lenovo Yoga Tab 3 to Intel CHTWC PMIC

  New Functionality:
   - Provide Reset support to Syscon

  Fix-ups:
   - Explicitly provide missing include files
   - Pass platform type data/info via the SPI/I2C/DT registration
     strategy
   - Lots of DT documentation / adaptions
   - Replace scnprintf() with preferred sysfs_emit()
   - Remove unused / superfluous code
   - Fix some trivial whitesspace / spelling / grammatical issues
   - Replace pm_power_off with new and improved
     register_sys_off_handler() API

  Bug Fixes:
   - Reintroduce RK808-clkout registration - fixing Wi-Fi and Bluetooth
   - Repair the order of AXPxxx IRQ PEK RISE/FALL definitions
   - Refuse to build CS5535 on unsupported UML architectures
   - Fix memory leaks in error return paths
   - Prevent refcount leaks in error return paths"

* tag 'mfd-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (40 commits)
  dt-bindings: mfd: qcom,tcsr: Add compatible for IPQ5332
  dt-bindings: mfd: Add NXP BBNSM
  mfd: ntxec: Add version number for EC in Tolino Vision
  dt-bindings: mfd: syscon: Add mt8365-syscfg
  mfd: Remove toshiba tmio drivers
  mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak
  mfd: syscon: Allow reset control for syscon devices
  dt-bindings: mfd/syscon: Add resets property
  dt-bindings: mfd: syscon: Add amd,pensando-elba-syscon compatible
  dt-bindings: mfd: qcom,tcsr: Add compatible for MSM8226
  mfd: simple-mfd-i2c: Fix incoherent comment regarding DT registration
  mfd: axp20x: Switch to the sys-off handler API
  mfd: core: Spelling s/compement/complement/
  mfd: max8925: Remove the unused function irq_to_max8925()
  mfd: qcom-pm8xxx: Remove set but unused variable 'rev'
  dt-bindings: mfd: syscon: Document GXP register compatible
  mfd: twl4030-power: Drop empty platform remove function
  mfd: twl: Fix TWL6032 phy vbus detection
  mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()
  MAINTAINERS: Move MFD from a Supported to Maintaied state
  ...
2023-02-23 15:03:05 -08:00
Linus Torvalds
06e1a81c48 A healthy mix of EFI contributions this time:
- Performance tweaks for efifb earlycon by Andy
 
 - Preparatory refactoring and cleanup work in the efivar layer by Johan,
   which is needed to accommodate the Snapdragon arm64 laptops that
   expose their EFI variable store via a TEE secure world API.
 
 - Enhancements to the EFI memory map handling so that Xen dom0 can
   safely access EFI configuration tables (Demi Marie)
 
 - Wire up the newly introduced IBT/BTI flag in the EFI memory attributes
   table, so that firmware that is generated with ENDBR/BTI landing pads
   will be mapped with enforcement enabled.
 
 - Clean up how we check and print the EFI revision exposed by the
   firmware.
 
 - Incorporate EFI memory attributes protocol definition contributed by
   Evgeniy and wire it up in the EFI zboot code. This ensures that these
   images can execute under new and stricter rules regarding the default
   memory permissions for EFI page allocations. (More work is in progress
   here)
 
 - CPER header cleanup by Dan Williams
 
 - Use a raw spinlock to protect the EFI runtime services stack on arm64
   to ensure the correct semantics under -rt. (Pierre)
 
 - EFI framebuffer quirk for Lenovo Ideapad by Darrell.
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Merge tag 'efi-next-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI updates from Ard Biesheuvel:
 "A healthy mix of EFI contributions this time:

   - Performance tweaks for efifb earlycon (Andy)

   - Preparatory refactoring and cleanup work in the efivar layer, which
     is needed to accommodate the Snapdragon arm64 laptops that expose
     their EFI variable store via a TEE secure world API (Johan)

   - Enhancements to the EFI memory map handling so that Xen dom0 can
     safely access EFI configuration tables (Demi Marie)

   - Wire up the newly introduced IBT/BTI flag in the EFI memory
     attributes table, so that firmware that is generated with ENDBR/BTI
     landing pads will be mapped with enforcement enabled

   - Clean up how we check and print the EFI revision exposed by the
     firmware

   - Incorporate EFI memory attributes protocol definition and wire it
     up in the EFI zboot code (Evgeniy)

     This ensures that these images can execute under new and stricter
     rules regarding the default memory permissions for EFI page
     allocations (More work is in progress here)

   - CPER header cleanup (Dan Williams)

   - Use a raw spinlock to protect the EFI runtime services stack on
     arm64 to ensure the correct semantics under -rt (Pierre)

   - EFI framebuffer quirk for Lenovo Ideapad (Darrell)"

* tag 'efi-next-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: (24 commits)
  firmware/efi sysfb_efi: Add quirk for Lenovo IdeaPad Duet 3
  arm64: efi: Make efi_rt_lock a raw_spinlock
  efi: Add mixed-mode thunk recipe for GetMemoryAttributes
  efi: x86: Wire up IBT annotation in memory attributes table
  efi: arm64: Wire up BTI annotation in memory attributes table
  efi: Discover BTI support in runtime services regions
  efi/cper, cxl: Remove cxl_err.h
  efi: Use standard format for printing the EFI revision
  efi: Drop minimum EFI version check at boot
  efi: zboot: Use EFI protocol to remap code/data with the right attributes
  efi/libstub: Add memory attribute protocol definitions
  efi: efivars: prevent double registration
  efi: verify that variable services are supported
  efivarfs: always register filesystem
  efi: efivars: add efivars printk prefix
  efi: Warn if trying to reserve memory under Xen
  efi: Actually enable the ESRT under Xen
  efi: Apply allowlist to EFI configuration tables when running under Xen
  efi: xen: Implement memory descriptor lookup based on hypercall
  efi: memmap: Disregard bogus entries instead of returning them
  ...
2023-02-23 14:41:48 -08:00
Linus Torvalds
f2b98d0af2 bootconfig for v6.3:
- Fix ftrace2bconf.sh tool for checking event enable status correctly.
 
 - Add CONFIG_BOOT_CONFIG_FORCE to apply bootconfig without 'bootconfig'
   boot parameter.
 
 - Enable CONFIG_BOOT_CONFIG_FORCE by default if a bootconfig is embedded
   in the kernel.
 
 - Increase max number of nodes of bootconfig to 8192.
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Merge tag 'bootconfig-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull bootconfig updates from Masami Hiramatsu:

 - Fix ftrace2bconf.sh tool for checking event enable status correctly

 - Add CONFIG_BOOT_CONFIG_FORCE to apply bootconfig without 'bootconfig'
   boot parameter

 - Enable CONFIG_BOOT_CONFIG_FORCE by default if a bootconfig is
   embedded in the kernel

 - Increase max number of nodes of bootconfig to 8192

* tag 'bootconfig-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  bootconfig: Increase max nodes of bootconfig from 1024 to 8192 for DCC support
  bootconfig: Default BOOT_CONFIG_FORCE to y if BOOT_CONFIG_EMBED
  Allow forcing unconditional bootconfig processing
  tools/bootconfig: fix single & used for logical condition
2023-02-23 14:27:01 -08:00
Linus Torvalds
fcc77d7c8e sysctl-6.3-rc1
Just one fix which just came in, this just hit linux-next just yesterday
 with a success build report. But since its a fix and reviewed I think its
 good to take in.
 
 Sadly the eager beavers willing to help with the sysctl moves have slowed.
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Merge tag 'sysctl-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull sysctl update from Luis Chamberlain:
 "Just one fix which just came in.

  Sadly the eager beavers willing to help with the sysctl moves have
  slowed"

* tag 'sysctl-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  sysctl: fix proc_dobool() usability
2023-02-23 14:16:56 -08:00
Linus Torvalds
c538944d8e modules-6.3-rc1
Nothing exciting at all for modules for v6.3. The biggest change is
 just the change of INSTALL_MOD_DIR from "extra" to "updates" which
 I found lingered for ages for no good reason while testing the CXL
 mock driver [0]. The CXL mock driver has no kconfig integration and requires
 building an external module... and re-building the *rest* of the production
 drivers. This mock driver when loaded but not the production ones will
 crash. All this crap can obviously be fixed by integrating kconfig
 semantics into such test module, however that's not desirable by
 the maintainer, and so sensible defaults must be used to ensure a
 default "make modules_install" will suffice for most distros which
 do not have a file like /etc/depmod.d/dist.conf with something like
 `search updates extra built-in`. Since most distros rely on kmod and
 since its inception the "updates" directory is always in the search
 path it makes more sense to use that than the "extra" which only
 *some* RH based systems rely on. All this stuff has been on linux-next
 for a while.
 
 For v6.4 I already have queued some initial work by Song Liu which gets
 us slowly going to a place where we *may* see a generic allocator for
 huge pages for module text to avoid direct map fragmentation *and*
 reduce iTLB pressure. That work is in its initial stages, no allocator
 work is done yet. This is all just prep work. Fortunately Thomas Gleixner
 has helped convince Song that modules *need* to be *requirement* if we
 are going to see any special allocator touch x86. So who knows... maybe
 around v6.5 we'll start seeing some *real* performance numbers of the
 effect of using huge pages for something other than eBPF toys.
 
 For v6.4 also, you may start seeing patches from Nick Alcock on different
 trees and modules-next which aims at extending kallsyms *eventually* to provide
 clearer address to symbol lookups. The claim is that this is a *great* *feature*
 tracing tools are dying to have so they can for instance disambiguate symbols as
 coming from modules or from other parts of the kernel. I'm still waiting to see
 proper too usage of such stuff, but *how* we lay this out is still being ironed
 out. Part of the initial work I've been pushing for is to help upkeep our
 modules build optimizations, so being mindful about the work by Masahiro Yamada
 on commit 8b41fc4454 ("kbuild: create modules.builtin without
 Makefile.modbuiltin or tristate.conf") which helps avoid traversing the build
 tree twice. After this commit we now rely on the MODULE_LICENSE() tag to
 determine in a *faster* way if something being built could be a module and
 we dump this into the modules.builtin so that modprobe can simply succeed
 if a module is known to already be built-in. The cleanup work on MODULE_LICENSE()
 simply stems to assist false positives from userspace for things as built-in
 when they *cannot ever* be modules as we don't even tristate the code as
 modular. This work also helps with the SPDX effort as some code is not clearly
 identified with a tag. In the *future*, once all *possible* modules are
 confirmed to have a respective SPDX tag, we *may* just be able to replace the
 MODULE_LICENSE() to instead be generated automatically through inference of
 the respective module SPDX tags.
 
 [0] https://lkml.kernel.org/r/20221209062919.1096779-1-mcgrof@kernel.org
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Merge tag 'modules-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull modules updates from Luis Chamberlain:
 "Nothing exciting at all for modules for v6.3.

  The biggest change is just the change of INSTALL_MOD_DIR from "extra"
  to "updates" which I found lingered for ages for no good reason while
  testing the CXL mock driver [0].

  The CXL mock driver has no kconfig integration and requires building
  an external module... and re-building the *rest* of the production
  drivers. This mock driver when loaded but not the production ones will
  crash.

  All this can obviously be fixed by integrating kconfig semantics into
  such test module, however that's not desirable by the maintainer, and
  so sensible defaults must be used to ensure a default "make
  modules_install" will suffice for most distros which do not have a
  file like /etc/depmod.d/dist.conf with something like `search updates
  extra built-in`.

  Since most distros rely on kmod and since its inception the "updates"
  directory is always in the search path it makes more sense to use that
  than the "extra" which only *some* RH based systems rely on.

  All this stuff has been on linux-next for a while"

[0] https://lkml.kernel.org/r/20221209062919.1096779-1-mcgrof@kernel.org

* tag 'modules-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  Documentation: livepatch: module-elf-format: Remove local klp_modinfo definition
  module.h: Document klp_modinfo struct using kdoc
  module: Use kstrtobool() instead of strtobool()
  kernel/params.c: Use kstrtobool() instead of strtobool()
  test_kmod: stop kernel-doc warnings
  kbuild: Modify default INSTALL_MOD_DIR from extra to updates
2023-02-23 14:05:08 -08:00
Linus Torvalds
7dd86cf801 Livepatching changes for 6.3
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Merge tag 'livepatching-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching

Pull livepatching updates from Petr Mladek:

 - Allow reloading a livepatched module by clearing livepatch-specific
   relocations in the livepatch module.

   Otherwise, the repeated load would fail on consistency checks.

* tag 'livepatching-for-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  livepatch,x86: Clear relocation targets on a module removal
  x86/module: remove unused code in __apply_relocate_add
2023-02-23 14:00:10 -08:00