Commit graph

169,246 commits

Author SHA1 Message Date
Josh Poimboeuf
b37491d72b interval_tree: Fix ITSTATIC usage for *_subtree_search()
For consistency with the other function templates, change
_subtree_search_*() to use the user-supplied ITSTATIC rather than the
hard-coded 'static'.

Acked-by: Petr Mladek <pmladek@suse.com>
Tested-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
2025-10-14 14:45:22 -07:00
Josh Poimboeuf
6717e8f91d kbuild: Remove 'kmod_' prefix from __KBUILD_MODNAME
In preparation for the objtool klp diff subcommand, remove the arbitrary
'kmod_' prefix from __KBUILD_MODNAME and instead add it explicitly in
the __initcall_id() macro.

This change supports the standardization of "unique" symbol naming by
ensuring the non-unique portion of the name comes before the unique
part.  That will enable objtool to properly correlate symbols across
builds.

Cc: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Petr Mladek <pmladek@suse.com>
Tested-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
2025-10-14 14:45:22 -07:00
Josh Poimboeuf
c2d420796a elfnote: Change ELFNOTE() to use __UNIQUE_ID()
In preparation for the objtool klp diff subcommand, replace the custom
unique symbol name generation in ELFNOTE() with __UNIQUE_ID().

This standardizes the naming format for all "unique" symbols, which will
allow objtool to properly correlate them.  Note this also removes the
"one ELF note per line" limitation.

Acked-by: Petr Mladek <pmladek@suse.com>
Tested-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
2025-10-14 14:45:22 -07:00
Josh Poimboeuf
9f14f1f918 compiler.h: Make addressable symbols less of an eyesore
Avoid underscore overload by changing:

  __UNIQUE_ID___addressable_loops_per_jiffy_868

to the following:

  __UNIQUE_ID_addressable_loops_per_jiffy_868

This matches the format used by other __UNIQUE_ID()-generated symbols
and improves readability for those who stare at ELF symbol table dumps.

Acked-by: Petr Mladek <pmladek@suse.com>
Tested-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
2025-10-14 14:45:21 -07:00
Josh Poimboeuf
afb026b6d3 compiler: Tweak __UNIQUE_ID() naming
In preparation for the objtool klp diff subcommand, add an underscore
between the name and the counter.  This will make it possible for
objtool to distinguish between the non-unique and unique parts of the
symbol name so it can properly correlate the symbols.

Acked-by: Petr Mladek <pmladek@suse.com>
Tested-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
2025-10-14 14:45:21 -07:00
Josh Poimboeuf
1ba9f89794 vmlinux.lds: Unify TEXT_MAIN, DATA_MAIN, and related macros
TEXT_MAIN, DATA_MAIN and friends are defined differently depending on
whether certain config options enable -ffunction-sections and/or
-fdata-sections.

There's no technical reason for that beyond voodoo coding.  Keeping the
separate implementations adds unnecessary complexity, fragments the
logic, and increases the risk of subtle bugs.

Unify the macros by using the same input section patterns across all
configs.

This is a prerequisite for the upcoming livepatch klp-build tooling
which will manually enable -ffunction-sections and -fdata-sections via
KCFLAGS.

Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Acked-by: Petr Mladek <pmladek@suse.com>
Tested-by: Joe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
2025-10-14 14:45:21 -07:00
Wolfram Sang
a8482d2c90 Revert "i2c: boardinfo: Annotate code used in init phase only"
This reverts commit 1a2b423be6 because we
got a regression report and need time to find out the details.

Reported-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Closes: https://lore.kernel.org/r/29ec0082-4dd4-4120-acd2-44b35b4b9487@oss.qualcomm.com
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
2025-10-11 23:57:33 +02:00
Linus Torvalds
2a6edd867b SCSI misc on 20251011
Fixes only in drivers (ufs, mvsas, qla2xxx, target) that came in just
 before or during the merge window.  The most important one is the
 qla2xxx which reverts a conversion to fix flexible array member
 warnings, that went up in this merge window but which turned out on
 further testing to be causing data corruption.
 
 Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
 -----BEGIN PGP SIGNATURE-----
 
 iLgEABMIAGAWIQTnYEDbdso9F2cI+arnQslM7pishQUCaOpnUhsUgAAAAAAEAA5t
 YW51MiwyLjUrMS4xMSwyLDImHGphbWVzLmJvdHRvbWxleUBoYW5zZW5wYXJ0bmVy
 c2hpcC5jb20ACgkQ50LJTO6YrIUCFQEA1cADof79U9suDka2hAa2l7D4wJQ53qSj
 R7CwarAVX2wA/3RaEHySnSk+ivyHRl5AOYlPrYsnBo1o2KUq1M6kfviM
 =itgd
 -----END PGP SIGNATURE-----

Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Fixes only in drivers (ufs, mvsas, qla2xxx, target) that came in just
  before or during the merge window.

  The most important one is the qla2xxx which reverts a conversion to
  fix flexible array member warnings, that went up in this merge window
  but which turned out on further testing to be causing data corruption"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: core: Include UTP error in INT_FATAL_ERRORS
  scsi: ufs: sysfs: Make HID attributes visible
  scsi: mvsas: Fix use-after-free bugs in mvs_work_queue
  scsi: ufs: core: Fix PM QoS mutex initialization
  scsi: ufs: core: Fix runtime suspend error deadlock
  Revert "scsi: qla2xxx: Fix memcpy() field-spanning write issue"
  scsi: target: target_core_configfs: Add length check to avoid buffer overflow
2025-10-11 11:49:00 -07:00
Linus Torvalds
9591fdb061 - Remove a bunch of asm implementing condition flags testing in KVM's
emulator in favor of int3_emulate_jcc() which is written in C
 
 - Replace KVM fastops with C-based stubs which avoids problems with the
   fastop infra related to latter not adhering to the C ABI due to their
   special calling convention and, more importantly, bypassing compiler
   control-flow integrity checking because they're written in asm
 
 - Remove wrongly used static branches and other ugliness accumulated
   over time in hyperv's hypercall implementation with a proper static
   function call to the correct hypervisor call variant
 
 - Add some fixes and modifications to allow running FRED-enabled kernels
   in KVM even on non-FRED hardware
 
 - Add kCFI improvements like validating indirect calls and prepare for
   enabling kCFI with GCC. Add cmdline params documentation and other
   code cleanups
 
 - Use the single-byte 0xd6 insn as the official #UD single-byte
   undefined opcode instruction as agreed upon by both x86 vendors
 
 - Other smaller cleanups and touchups all over the place
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmjqXxkACgkQEsHwGGHe
 VUq9QBAAsjaay99a1+Dc53xyP1/HzCUFZDOzEYhj9zF85I8/xA9vTXZr7Qg2m6os
 +4EEmnlwU43AR5KgwGJcuszLF9qSqTMz5qkAdFpvnoQ1Hbc8b49A+3yo9/hM7NA2
 gPGH0gVZVBcffoETiQ8tJN6C9H6Ec0nTZwKTbasWwxz5oUAw+ppjP+aF4rFQ2/5w
 b1ofrcga5yucjvSlXjBOEwHvd21l7O9iMre1oGEn6b0E2LU8ldToRkJkVZIhkWeL
 2Iq3gYtVNN4Ao06WbV/EfXAqg5HWXjcm5bLcUXDtSF+Blae+gWoCjrT7XQdQGyEq
 J12l4FbIZk5Ha8eWAC425ye9i3Wwo+oie3Cc4SVCMdv5A+AmOF0ijAlo1hcxq0rX
 eGNWm8BKJOJ9zz1kxLISO7CfjULKgpsXLabF5a19uwoCsQgj5YrhlJezaIKHXbnK
 OWwHWg9IuRkN2KLmJa7pXtHkuAHp4MtEV9TP9kU2WCvCInrNrzp3gYtds3pri82c
 8ove+WA3yb/AQ6RCq5vAMLYXBxMRbN7FrmY5ZuwgWJTMi6cp1Sp02mhobwJOgNhO
 H7nKWCZnQMyCLPzVeg97HTSgqSXw13dSrujWX9gWYVWBMfZO1B9HcUrhtiOhH7Q9
 cvELkcqaxKrCKdRHLLYgHeMIQU2tdpsQ5TXHm7C7liEcZPZpk+g=
 =3Otb
 -----END PGP SIGNATURE-----

Merge tag 'x86_core_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull more x86 updates from Borislav Petkov:

 - Remove a bunch of asm implementing condition flags testing in KVM's
   emulator in favor of int3_emulate_jcc() which is written in C

 - Replace KVM fastops with C-based stubs which avoids problems with the
   fastop infra related to latter not adhering to the C ABI due to their
   special calling convention and, more importantly, bypassing compiler
   control-flow integrity checking because they're written in asm

 - Remove wrongly used static branches and other ugliness accumulated
   over time in hyperv's hypercall implementation with a proper static
   function call to the correct hypervisor call variant

 - Add some fixes and modifications to allow running FRED-enabled
   kernels in KVM even on non-FRED hardware

 - Add kCFI improvements like validating indirect calls and prepare for
   enabling kCFI with GCC. Add cmdline params documentation and other
   code cleanups

 - Use the single-byte 0xd6 insn as the official #UD single-byte
   undefined opcode instruction as agreed upon by both x86 vendors

 - Other smaller cleanups and touchups all over the place

* tag 'x86_core_for_v6.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  x86,retpoline: Optimize patch_retpoline()
  x86,ibt: Use UDB instead of 0xEA
  x86/cfi: Remove __noinitretpoline and __noretpoline
  x86/cfi: Add "debug" option to "cfi=" bootparam
  x86/cfi: Standardize on common "CFI:" prefix for CFI reports
  x86/cfi: Document the "cfi=" bootparam options
  x86/traps: Clarify KCFI instruction layout
  compiler_types.h: Move __nocfi out of compiler-specific header
  objtool: Validate kCFI calls
  x86/fred: KVM: VMX: Always use FRED for IRQs when CONFIG_X86_FRED=y
  x86/fred: Play nice with invoking asm_fred_entry_from_kvm() on non-FRED hardware
  x86/fred: Install system vector handlers even if FRED isn't fully enabled
  x86/hyperv: Use direct call to hypercall-page
  x86/hyperv: Clean up hv_do_hypercall()
  KVM: x86: Remove fastops
  KVM: x86: Convert em_salc() to C
  KVM: x86: Introduce EM_ASM_3WCL
  KVM: x86: Introduce EM_ASM_1SRC2
  KVM: x86: Introduce EM_ASM_2CL
  KVM: x86: Introduce EM_ASM_2W
  ...
2025-10-11 11:19:16 -07:00
Linus Torvalds
fbde105f13 bpf-fixes
-----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEE+soXsSLHKoYyzcli6rmadz2vbToFAmjpp+sACgkQ6rmadz2v
 bTo+9Q//bUzEc2C64NbG0DTCcxnkDEadzBLIB0BAwnAkuRjR8HJiPGoCdBJhUqzM
 /hNfIHTtDdyspU2qZbM+r4nVJ6zRAwIHrT2d/knERxXtRQozaWvUlRhVmf5tdWYm
 DkbThS9sAfAOs21YjV7OWPrf7bC7T9syQTAfN0CE8cujZY7OnqCyzNwfb8iIusyo
 +Ctm0/qUDVtd6SjdPAQjzp82fHIIwnMFZtWJiZml5LklL1Mx5cuVrT/sWgr5KATW
 vZ9rUfgaiJkAsSX0sSlLnAI76+kJRB+IkmK1TRdWFlwW6dTsa/7MkDeXXPN1dEDi
 o5ZqhcvaY0eAMbU4iX72Juf6gVFF6AgVwsrHmM79ICjg5umCLN/90QqYPc0ChRxl
 EYuSWVQ6/cgV3W6l+KU53cwmRjjdSzyJQFei03COZ0iKF6xic0cynS3BKMQL6HkU
 3BfTj19h+dxt7qywRaJFsrWK4t/uBX6N75XlVa9od/sk91tR/ibtJ6hcyuJGATr5
 nkfMkyN155upAffUnkhv37TXtMXyX8/kd7BddCet31JJXyJuJZ0vYuOcur6awGyN
 aB0T1ueG15sTfGf0zpxVNWhVqswHI/1Suk8EXwbDeHRcsmtrp8XWYawf5StIMwW0
 Uy8GjS5KVl5bcrfDbcvj79jajpVjwnvFR1Sir9C4aROm5OpH3Hs=
 =77JH
 -----END PGP SIGNATURE-----

Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Pull bpf fixes from Alexei Starovoitov:

 - Finish constification of 1st parameter of bpf_d_path() (Rong Tao)

 - Harden userspace-supplied xdp_desc validation (Alexander Lobakin)

 - Fix metadata_dst leak in __bpf_redirect_neigh_v{4,6}() (Daniel
   Borkmann)

 - Fix undefined behavior in {get,put}_unaligned_be32() (Eric Biggers)

 - Use correct context to unpin bpf hash map with special types (KaFai
   Wan)

* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  selftests/bpf: Add test for unpinning htab with internal timer struct
  bpf: Avoid RCU context warning when unpinning htab with internal structs
  xsk: Harden userspace-supplied xdp_desc validation
  bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6}
  libbpf: Fix undefined behavior in {get,put}_unaligned_be32()
  bpf: Finish constification of 1st parameter of bpf_d_path()
2025-10-11 10:31:38 -07:00
Linus Torvalds
ae13bd2310 Just one series here - Mike Rappoport has taught KEXEC handover to
preserve vmalloc allocations across handover.
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCaOmDWAAKCRDdBJ7gKXxA
 jh+MAQDUPBj3mFm238CXI5DC1gJ3ETe3NJjJvfzIjLs51c+dFgD+PUuvDA0GUtKH
 LCl6T+HJXh2FgGn1F2Kl/0hwPtEvuA4=
 =HYr7
 -----END PGP SIGNATURE-----

Merge tag 'mm-nonmm-stable-2025-10-10-15-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull more updates from Andrew Morton:
 "Just one series here - Mike Rappoport has taught KEXEC handover to
  preserve vmalloc allocations across handover"

* tag 'mm-nonmm-stable-2025-10-10-15-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  lib/test_kho: use kho_preserve_vmalloc instead of storing addresses in fdt
  kho: add support for preserving vmalloc allocations
  kho: replace kho_preserve_phys() with kho_preserve_pages()
  kho: check if kho is finalized in __kho_preserve_order()
  MAINTAINERS, .mailmap: update Umang's email address
2025-10-11 10:27:52 -07:00
Linus Torvalds
971370a88c 7 hotfixes. All 7 are cc:stable and all 7 are for MM.
All singletons, please see the changelogs for details.
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCaOmCTwAKCRDdBJ7gKXxA
 jtQZAQC9sRd+4LNYothoXlY9avKNYR4YvN3ogiIFJqHwiENu/QD/ec/57KME9dA4
 H4SqK/49Rs/tVCYmkPTO7IWRmxo9/AA=
 =h9On
 -----END PGP SIGNATURE-----

Merge tag 'mm-hotfixes-stable-2025-10-10-15-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "7 hotfixes.  All 7 are cc:stable and all 7 are for MM.

  All singletons, please see the changelogs for details"

* tag 'mm-hotfixes-stable-2025-10-10-15-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  mm: hugetlb: avoid soft lockup when mprotect to large memory area
  fsnotify: pass correct offset to fsnotify_mmap_perm()
  mm/ksm: fix flag-dropping behavior in ksm_madvise
  mm/damon/vaddr: do not repeat pte_offset_map_lock() until success
  mm/rmap: fix soft-dirty and uffd-wp bit loss when remapping zero-filled mTHP subpage to shared zeropage
  mm/thp: fix MTE tag mismatch when replacing zero-filled subpages
  memcg: skip cgroup_file_notify if spinning is not allowed
2025-10-11 10:14:55 -07:00
Linus Torvalds
284fc30e66 drm next fixes for 6.18-rc1
amdgpu:
 - DC DCE6 fixes
 - GPU reset fixes
 - Secure diplay messaging cleanup
 - MES fix
 - GPUVM locking fixes
 - PMFW messaging cleanup
 - PCI US/DS switch handling fix
 - VCN queue reset fix
 - DC FPU handling fix
 - DCN 3.5 fix
 - DC mirroring fix
 
 amdkfd:
 - Fix kfd process ref leak
 - mmap write lock handling fix
 - Fix comments in IOCTL
 
 xe:
 - Fix build with clang 16
 - Fix handling of invalid configfs syntax usage and spell out the
   expected syntax in the documentation
 - Do not try late bind firmware when running as VF since it
   shouldn't handle firmware loading
 - Fix idle assertion for local BOs
 - Fix uninitialized variable for late binding
 - Do not require perfmon_capable to expose free memory at page
   granularity. Handle it like other drm drivers do
 - Fix lock handling on suspend error path
 - Fix I2C controller resume after S3
 
 v3d:
 - fix fence locking
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmjpaS4ACgkQDHTzWXnE
 hr5U7xAAgBZ6kqMGN6EKKloDlpIgpQKF3pXGMo7NfwTTJ3x6jTGx41g74ohKCFn2
 Zms0RbHTjGB+u495p3dadOSwbvSW2vTYWUCMnxAWye8s7A4LA7SCTXFY84gEE8ki
 8THR7AU1L78MWILas2wGmDzoy2HNGLITLbcZO1B5Cdq8SxxxKsXJXXZahLjBB67C
 4a23OlANL16g5NCKEQ6owuRBf5hlyc6A+vQuBcfBbKg2VL83Iv/P6nt3Lv5uMwv6
 Qss3lnUrsNBrBMxx3QP8IGG3/EwHU/YcJYIYPbce6qZrxuG8Vw1hTPdJqr8kq9mv
 8wg8JC9VQtPrTuAiNCgC9QrvaDW1vMc/5abYQMJBRvexnXf4VjriSH0WM7YXFQcB
 JvChn5Vo8Sr+1B7oQUM5SOMXHxGfxsL3ypub4a3Die6G6ymhp6cDNwBq0vbU/LXy
 s1fddlNM/PrUACKcFaEGVZMDyz75QTMWae5OmcuUizdzHChUzlDhq1MbHrh0D2jP
 mNuORIHnrO+oZOyxpnQr5YBfZk+xFrnvSLI/hJP982m9FKJ4PVjLg+4YlRNjW4wO
 k4LjxyMutybAFEH0nEWrdGxry+y6EM/OrXpToXFquNq3NdI133NvDRiH+f4SI+8M
 Y6cZdwVSiO5fd7Zup0xKBi+jUi66cfkKS+3MXGfMDX7y1orMMqQ=
 =tSAX
 -----END PGP SIGNATURE-----

Merge tag 'drm-next-2025-10-11-1' of https://gitlab.freedesktop.org/drm/kernel

Pull more drm fixes from Dave Airlie:
 "Just the follow up fixes for rc1 from the next branch, amdgpu and xe
  mostly with a single v3d fix in there.

  amdgpu:
   - DC DCE6 fixes
   - GPU reset fixes
   - Secure diplay messaging cleanup
   - MES fix
   - GPUVM locking fixes
   - PMFW messaging cleanup
   - PCI US/DS switch handling fix
   - VCN queue reset fix
   - DC FPU handling fix
   - DCN 3.5 fix
   - DC mirroring fix

  amdkfd:
   - Fix kfd process ref leak
   - mmap write lock handling fix
   - Fix comments in IOCTL

  xe:
   - Fix build with clang 16
   - Fix handling of invalid configfs syntax usage and spell out the
     expected syntax in the documentation
   - Do not try late bind firmware when running as VF since it shouldn't
     handle firmware loading
   - Fix idle assertion for local BOs
   - Fix uninitialized variable for late binding
   - Do not require perfmon_capable to expose free memory at page
     granularity. Handle it like other drm drivers do
   - Fix lock handling on suspend error path
   - Fix I2C controller resume after S3

  v3d:
   - fix fence locking"

* tag 'drm-next-2025-10-11-1' of https://gitlab.freedesktop.org/drm/kernel: (34 commits)
  drm/amd/display: Incorrect Mirror Cositing
  drm/amd/display: Enable Dynamic DTBCLK Switch
  drm/amdgpu: Report individual reset error
  drm/amdgpu: partially revert "revert to old status lock handling v3"
  drm/amd/display: Fix unsafe uses of kernel mode FPU
  drm/amd/pm: Disable VCN queue reset on SMU v13.0.6 due to regression
  drm/amdgpu: Fix general protection fault in amdgpu_vm_bo_reset_state_machine
  drm/amdgpu: Check swus/ds for switch state save
  drm/amdkfd: Fix two comments in kfd_ioctl.h
  drm/amd/pm: Avoid interface mismatch messaging
  drm/amdgpu: Merge amdgpu_vm_set_pasid into amdgpu_vm_init
  drm/amd/amdgpu: Fix the mes version that support inv_tlbs
  drm/amd: Check whether secure display TA loaded successfully
  drm/amdkfd: Fix mmap write lock not release
  drm/amdkfd: Fix kfd process ref leaking when userptr unmapping
  drm/amdgpu: Fix for GPU reset being blocked by KIQ I/O.
  drm/amd/display: Disable scaling on DCE6 for now
  drm/amd/display: Properly disable scaling on DCE6
  drm/amd/display: Properly clear SCL_*_FILTER_CONTROL on DCE6
  drm/amd/display: Add missing DCE6 SCL_HORZ_FILTER_INIT* SRIs
  ...
2025-10-10 14:02:14 -07:00
Linus Torvalds
f76b1683d1 Devicetree fixes for v6.18:
- Allow child nodes on renesas-bsc bus binding
 
 - Drop node name pattern on allwinner,sun50i-a64-de2 bus binding
 
 - Switch DT patchwork to kernel.org from ozlabs.org
 
 - Fix some typos in docs and bindings
 
 - Fix reference count in PCI node unittest
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmjpWnAACgkQ+vtdtY28
 YcMtshAAiSam4S3L2TILOeglTJvOFs18+klvvIru3Xlndgm3IBOIy/ittiGwK96e
 NuwZ4tPMdbXjBaCo8ozPC3ZFGYVAmUgVm9uTZYuSsbQL3Vpcr196CTzTc+d8GsdY
 t72Er45D8kR6p0Fg28N850ycMHIMlNpt3fk1ZMczCXr2XRYj70TNNv9mRK3paXIi
 r0IVieXm/OuzU1muDyLzihsfAEt+8hNQvyfBlYtWlPJY0z6micnPlnkEAsBtFaQr
 YHbvjZCyeRp7fD+FioPy+1xMHf46shCyQM/PbOL9nA6NLur2/FQoXCsS+/HyqrrV
 C/f6/ZWCywuODXg41rnzCm4P8BiqCuGGYUuY/clmAQno8yXLF0DG4yL7cslsR3bm
 vDOtlmJDdQ/+5zvsJDkipodOHw8SHK0x6941MGEufVz3j/2uSJef3veWMpgbVF6+
 BSbtEKQ3eBkxcpLkTHPTdqVguIoXSqC5+0HxekfcujgvIfst90D5U/VUDHfyXVRY
 /snbqKN5P//GzV/JmIVYznqqapfNFOPTaf0f1pol4nk/v77VoxbcS4CiLW0R1nJ5
 vpHQcD/Jbu7AO4oWhsJy0yNDHUnspyjxfS221gNV9DyzkGxgQkFl6okoI05RJNUZ
 NpgblCMk1JaWcHjxgddPxUoc5JNyveIVuY1UBQFeuAK2Cebze14=
 =7vRd
 -----END PGP SIGNATURE-----

Merge tag 'devicetree-fixes-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Allow child nodes on renesas-bsc bus binding

 - Drop node name pattern on allwinner,sun50i-a64-de2 bus binding

 - Switch DT patchwork to kernel.org from ozlabs.org

 - Fix some typos in docs and bindings

 - Fix reference count in PCI node unittest

* tag 'devicetree-fixes-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: bus: renesas-bsc: allow additional properties
  dt-bindings: bus: allwinner,sun50i-a64-de2: don't check node names
  MAINTAINERS: Move DT patchwork to kernel.org
  of: unittest: Fix device reference count leak in of_unittest_pci_node_verify
  of: doc: Fix typo in doc comments.
  dt-bindings: mmc: Correct typo "upto" to "up to"
2025-10-10 13:05:40 -07:00
Linus Torvalds
8bd9238e51 Some messenger improvements from Eric and Max, a patch to address the
issue (also affected userspace) of incorrect permissions being granted
 to users who have access to multiple different CephFS instances within
 the same cluster from Kotresh and a bunch of assorted CephFS fixes from
 Slava.
 -----BEGIN PGP SIGNATURE-----
 
 iQFFBAABCAAxFiEEydHwtzie9C7TfviiSn/eOAIR84sFAmjpShsTHGlkcnlvbW92
 QGdtYWlsLmNvbQAKCRBKf944AhHzizoaB/C7qTw5Olh8NDpX8I+ljEO50XNduurf
 fp2eNn0ub5brhcvh8iACSPKE2oer/bDvv3b2SN9310GmBX3f7H2Ht5TeH2tGBRN0
 clg+C2DmY/2watHovo+ua7YAd+HiPH2XMbpeU38Pu1nEdmiU6cQ0YaOn8n2p+c1E
 bID0dMHWb4HTmFRURqWqKPDkM1fLHRxIVgyOMaov5vs0T7XdglwPja3S2W6epvqF
 hKSMSvO/j9qYlOsBM6G6IuHDMJomzBqOQKqsQqC4XZN6uXeaKPTLYRnzxKfJUEWj
 P5JTaum7NGGtfIs0L9wr6zpou/GY2zTFiyXhLZsLJMn894bBO5nArg==
 =wGIB
 -----END PGP SIGNATURE-----

Merge tag 'ceph-for-6.18-rc1' of https://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:

 - some messenger improvements (Eric and Max)

 - address an issue (also affected userspace) of incorrect permissions
   being granted to users who have access to multiple different CephFS
   instances within the same cluster (Kotresh)

 - a bunch of assorted CephFS fixes (Slava)

* tag 'ceph-for-6.18-rc1' of https://github.com/ceph/ceph-client:
  ceph: add bug tracking system info to MAINTAINERS
  ceph: fix multifs mds auth caps issue
  ceph: cleanup in ceph_alloc_readdir_reply_buffer()
  ceph: fix potential NULL dereference issue in ceph_fill_trace()
  libceph: add empty check to ceph_con_get_out_msg()
  libceph: pass the message pointer instead of loading con->out_msg
  libceph: make ceph_con_get_out_msg() return the message pointer
  ceph: fix potential race condition on operations with CEPH_I_ODIRECT flag
  ceph: refactor wake_up_bit() pattern of calling
  ceph: fix potential race condition in ceph_ioctl_lazyio()
  ceph: fix overflowed constant issue in ceph_do_objects_copy()
  ceph: fix wrong sizeof argument issue in register_session()
  ceph: add checking of wait_for_completion_killable() return value
  ceph: make ceph_start_io_*() killable
  libceph: Use HMAC-SHA256 library instead of crypto_shash
2025-10-10 11:30:19 -07:00
Linus Torvalds
1b1391b9c4 block-6.18-20251009
-----BEGIN PGP SIGNATURE-----
 
 iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmjoDmUQHGF4Ym9lQGtl
 cm5lbC5kawAKCRD301j7KXHgptyjD/94YYv1sabG9M6UHq7j9lOAgruqXaaEMOw+
 Blnm4ejuLNcM8FMCBcuvbhp3ktzT7v1/bWal7FLnmujuKBfhAe+t2AVcHFWUQie2
 CIfMjc3p77U/bwL5wt0O5WFqu1UPDVe+qzrppqRYduTxvPKk9Fi6mqpYCXKlYN7K
 FhINsytoZp/CvTdf5EDSsPv2r4W85OhrPeq0VjYufFBD1wxXD94ii8WAvyfsl20s
 0gIfdlfa2vaNVwH1kdCd+IeATrSBpyCZKGEVTzcHYoo/1MgfNFigrJ8GUA5c+DLM
 fmNE+E+wFtobq5WBmbrtmAxtBnzzV49HS1OT1amUktuq87ryiY5Svn6vFAqEJQl6
 2HLE9nNN2PBdPMAmQ57u1bvp/3nGD0mk/hC1666MTDxHpxg5c6cugCSlJGVG+uC9
 ShLgi8bWV6RXelso0qMaSmNNCA8dskxJg/YDJ06AViTSuW8Y1+adoXddCjE7jne9
 3lci/r2WiuwqTJuub9D7LUtC7VhbCY19VVkgDE64VB2+CjR8B9AlLVG3sGl1HDOY
 EFAddJ3lAEOz5F1H2AzcOBPqqeBfuipr6lEpdb9+6hNu5wRILAHtme8W76c4PtuF
 PRk/3JYcHE77DZlFeE+iN8n0y1tNdWR/6QzWIOsGcNlUyeGGV/zvgGOodtFRpHt2
 t7Eue56EFw==
 =/1jf
 -----END PGP SIGNATURE-----

Merge tag 'block-6.18-20251009' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

Pull block fixes from Jens Axboe:

 - Don't include __GFP_NOWARN for loop worker allocation, as it already
   uses GFP_NOWAIT which has __GFP_NOWARN set already

 - Small series cleaning up the recent bio_iov_iter_get_pages() changes

 - loop fix for leaking the backing reference file, if validation fails

 - Update of a comment pertaining to disk/partition stat locking

* tag 'block-6.18-20251009' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
  loop: remove redundant __GFP_NOWARN flag
  block: move bio_iov_iter_get_bdev_pages to block/fops.c
  iomap: open code bio_iov_iter_get_bdev_pages
  block: rename bio_iov_iter_get_pages_aligned to bio_iov_iter_get_pages
  block: remove bio_iov_iter_get_pages
  block: Update a comment of disk statistics
  loop: fix backing file reference leak on validation error
2025-10-10 10:37:13 -07:00
Linus Torvalds
eba41c0173 io_uring-6.18-20251009
-----BEGIN PGP SIGNATURE-----
 
 iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmjoDjwQHGF4Ym9lQGtl
 cm5lbC5kawAKCRD301j7KXHgpsU+EADBSwfdXgI9tY+Ldmoruf4nfySot6r7z7Em
 2VZ2+LCdGP/U8unMngpoI9ZGWQqWqSYnRNL+5RnYJR0dJTFYWd6ME+lXTgJNYfiX
 OR759rN3yC2NmfPL9U9L6CT+huGtk5zdnVNIx2aYxA7TxzbiIVfWB5ZuqigptSyg
 Hj+5yS9b8CqrnuZCavOvijB6/oL/ICtKz0Fn8X1Z0meJpQQT79exKwGclADWiVfF
 t+nshXv1N8jC40z2FpjGacmDOfVlyW+CiPfhRnj8KXFXAlP0WQiNjJYUKj1IC7Do
 eq6Wt2WJPSE74/t61h4RlECwWgNxXPykeYPnrpyduCjmgk2FsmqaFvtVWiJDaUGZ
 AByj/GMlRyW0FFoVtUi6Ne1NFWajCocE8yB8/GMn5neqZwgosu0R7bMEewdMoUVw
 IVY3J4ZoKgd+IFuBARahc9lLLXMLTGe1pzD/Let/Y6eioU9gfdokn990LQMaSp5L
 9DncBseYRjonI5GzXKkDn/Q5RRe0+Ifmec9cvz+JcI68NJWVxsHFLDtXpqhkxuFW
 Fs/BMlYUrPo4snKYdW0sulD2tfEC9CD3epe6O/7Lb68SbGlvKZSwLEzTeriy5N07
 bsBFmKKLNGhbWNGpBJjMjncHgCPf9oiND3rpzp7XuCa3hdcq0nI7yVCp1VlIBLRj
 ePg/3KsU9A==
 =p4O+
 -----END PGP SIGNATURE-----

Merge tag 'io_uring-6.18-20251009' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

Pull io_uring fixes from Jens Axboe:

 - Fixup indentation in the UAPI header

 - Two fixes for zcrx. One fixes receiving too much in some cases, and
   the other deals with not correctly incrementing the source in the
   fallback copy loop

 - Fix for a race in the IORING_OP_WAITID command, where there was a
   small window where the request would be left on the wait_queue_head
   list even though it was being canceled/completed

 - Update liburing git URL in the kernel tree

* tag 'io_uring-6.18-20251009' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
  io_uring/zcrx: increment fallback loop src offset
  io_uring/zcrx: fix overshooting recv limit
  io_uring: use tab indentation for IORING_SEND_VECTORIZED comment
  io_uring/waitid: always prune wait queue entry in io_waitid_wait()
  io_uring: update liburing git URL
2025-10-10 10:25:24 -07:00
Linus Torvalds
aac3190332 i2c-for-6.18-rc1-part2
- Second part of rtl9300 updates since dependencies are in now
   - general cleanups, implemented block read/write support, added RTL9310 support
 - DT schema conversion of hix5hd2 binding
 - namespace cleanup for i2c-algo-pca
 - minor simplification for mt65xx
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmjowqwACgkQFA3kzBSg
 KbbI2w/+OMp/mlQ1xpyFFKLlFOY18ppkXGNXOCMKmDfNw8rWXohw+cYs9PMbRbpn
 yrqrqYnZ0lQ3+gfDeNMP46SDyni4dfEi7gIFHP5rCLSvHQBhNXn+AhKNzyAVrvT3
 t+x2l8isnhxRVVbxzVmsdohoy+qj1ijmVPXfwIhrOwMdnDZKDq8K3i5kq0rWiLxM
 h5+0SrwYw5G9teT85KxuDF+Nw53hDJexj0e+acof6F1PnVUX/OnCW+O81SzDO5b7
 GhInqQEhVabN5IrabQoExjfnV6plZp6srNSodyhmV5H1H2YiO05ukhJNgayYCYjR
 H7Or/s5NtQrbd4pW5c8HtUj1tKZ53qKaEajnJsirvquk+LegGHSty2Ka0N9Q6AKc
 4bzsYVz62SpOKd2OqbW6PwlBpo5GFlgx1wv96mDDmvF005ux8r7ta4nGp7W/7diT
 aIVZ8tjp1JwcAA04QaT5+DGWuOlFuxP+XMrYc6IhHC1HvVHiavhvydDq44gjXLgw
 n0LxIZPkfkbYvU5/lOX+eqZAAxLbGkD2cEp+fP7hAWgEHNEckjlefI9Q0TaRmK6M
 C4iHh45UdSerwaEMtei1melMi1zbD3yGWp23KU4DlVhPhbUZNF03hp+tRT0TAu+1
 DJg6g8faSldQS6hNiH/5NfkCFtXRM5iaWJcE7YkBlWXCg4FNeh8=
 =4NUB
 -----END PGP SIGNATURE-----

Merge tag 'i2c-for-6.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull more i2c updates from Wolfram Sang:

 - Second part of rtl9300 updates since dependencies are in now:
    - general cleanups
    - implement block read/write support
    - add RTL9310 support

 - DT schema conversion of hix5hd2 binding

 - namespace cleanup for i2c-algo-pca

 - minor simplification for mt65xx

* tag 'i2c-for-6.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  dt-bindings: i2c: hisilicon,hix5hd2: convert to DT schema
  i2c: mt65xx: convert set_speed function to void
  i2c: rename wait_for_completion callback to wait_for_completion_cb
  i2c: rtl9300: add support for RTL9310 I2C controller
  dt-bindings: i2c: realtek,rtl9301-i2c: extend for RTL9310 support
  i2c: rtl9300: use scoped guard instead of explicit lock/unlock
  i2c: rtl9300: separate xfer configuration and execution
  i2c: rtl9300: do not set read mode on every transfer
  i2c: rtl9300: move setting SCL frequency to config_io
  i2c: rtl9300: rename internal sda_pin to sda_num
  dt-bindings: i2c: realtek,rtl9301-i2c: fix wording and typos
  i2c: rtl9300: use regmap fields and API for registers
  i2c: rtl9300: Implement I2C block read and write
2025-10-10 09:13:11 -07:00
Jarkko Sakkinen
207696b17f tpm: use a map for tpm2_calc_ordinal_duration()
The current shenanigans for duration calculation introduce too much
complexity for a trivial problem, and further the code is hard to patch and
maintain.

Address these issues with a flat look-up table, which is easy to understand
and patch. If leaf driver specific patching is required in future, it is
easy enough to make a copy of this table during driver initialization and
add the chip parameter back.

'chip->duration' is retained for TPM 1.x.

As the first entry for this new behavior address TCG spec update mentioned
in this issue:

https://github.com/raspberrypi/linux/issues/7054

Therefore, for TPM_SelfTest the duration is set to 3000 ms.

This does not categorize a as bug, given that this is introduced to the
spec after the feature was originally made.

Reviewed-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2025-10-10 08:21:45 +03:00
Dave Airlie
c4b6ddcf01 amd-drm-next-6.18-2025-10-09:
amdgpu:
 - DC DCE6 fixes
 - GPU reset fixes
 - Secure diplay messaging cleanup
 - MES fix
 - GPUVM locking fixes
 - PMFW messaging cleanup
 - PCI US/DS switch handling fix
 - VCN queue reset fix
 - DC FPU handling fix
 - DCN 3.5 fix
 - DC mirroring fix
 
 amdkfd:
 - Fix kfd process ref leak
 - mmap write lock handling fix
 - Fix comments in IOCTL
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQQgO5Idg2tXNTSZAr293/aFa7yZ2AUCaOfiAgAKCRC93/aFa7yZ
 2LyaAQDYoZEPZdtkju7F61ZGrDmpcouTXGQai6kCYw0kkdFPxwEAnDHk6lbmDZBV
 1NPv9xpZsjkbbSN4QrfL07B2YmB+xwk=
 =5b3K
 -----END PGP SIGNATURE-----

Merge tag 'amd-drm-next-6.18-2025-10-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.18-2025-10-09:

amdgpu:
- DC DCE6 fixes
- GPU reset fixes
- Secure diplay messaging cleanup
- MES fix
- GPUVM locking fixes
- PMFW messaging cleanup
- PCI US/DS switch handling fix
- VCN queue reset fix
- DC FPU handling fix
- DCN 3.5 fix
- DC mirroring fix

amdkfd:
- Fix kfd process ref leak
- mmap write lock handling fix
- Fix comments in IOCTL

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20251009162915.981503-1-alexander.deucher@amd.com
2025-10-10 06:57:56 +10:00
Linus Torvalds
18a7e218cf Including fixes from netfilter.
Current release - regressions:
 
   - mlx5: fix pre-2.40 binutils assembler error
 
 Current release - new code bugs:
 
   - net: psp: don't assume reply skbs will have a socket
 
   - eth: fbnic: fix missing programming of the default descriptor
 
 Previous releases - regressions:
 
   - page_pool: fix PP_MAGIC_MASK to avoid crashing on some 32-bit arches
 
   - tcp:
     - take care of zero tp->window_clamp in tcp_set_rcvlowat()
     - don't call reqsk_fastopen_remove() in tcp_conn_request().
 
   - eth: ice: release xa entry on adapter allocation failure
 
   - eth: usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock
 
 Previous releases - always broken:
 
   - netfilter: validate objref and objrefmap expressions
 
   - sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()
 
   - eth: mlx4: prevent potential use after free in mlx4_en_do_uc_filter()
 
   - eth: mlx5: prevent tunnel mode conflicts between FDB and NIC IPsec tables
 
   - eth: ocelot: fix use-after-free caused by cyclic delayed work
 
 Misc:
 
   -  add support for MediaTek PCIe 5G HP DRMR-H01
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEEg1AjqC77wbdLX2LbKSR5jcyPE6QFAmjnlD0SHHBhYmVuaUBy
 ZWRoYXQuY29tAAoJECkkeY3MjxOkQnYP/iQAwtLSyE2lqdP+OsfnwhdpeeMpy2B/
 rfN7hk4OS1Rs1WBEf+Y45Lm5yC2poRleEf3QrixcqAHrtr4SED1JgZynjzjtYJ6c
 mmCdzZPZMfBEVG7rcOusSMI+ebWCA1yvSzjqw6CctwzW6Sac4S3KRyYzUNuTJ+De
 3APf6NptD324veJuyP01opafaExBpu21DfaEXeu4kP030S74J5TMfjt7dNvVpYDt
 qwb7s6syJ9O+U3INmi6SVxJY9711Cj8tjUXzz94FWc/kC28D3UnIKUO1tL/qNthe
 do0OhNa1YlsmoGJuRthxQa9ubyScnP6hKcy8VlanvuDya0JVyzdod/RDO6A2L9bp
 bdJIM2wnLd4Sqe7QcGPBFj0KNahgqG1lzj0uHKhrWBetp+5wWySuk9Mohg8yZaGP
 w53X0+WhAeferpcdMPFbwBL9pcgmHo2FxDMaHKcIrIAFb+TIzSZA6CXWB2RFRSgH
 smgQ9EYUbfUtP6nZCs1lfOux7CdN94tuKA9jnUXFrlIda44akxVe/wVi9bRazrVx
 TcpF0BEeQTyM4wCoVsk/JzTNeK2VZtj8i1B7TrZvR68UkwGrXm8DB4xG42LxdRaw
 PEtu8mbUGiWtkojmUAVpYc/TfMdQOVyBUijd2uAe1pXV4yPDz5cWNkEPX8vvAiRu
 rIe8v1VAz+gg
 =LlXo
 -----END PGP SIGNATURE-----

Merge tag 'net-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull  networking fixes from Paolo Abeni:
 "Including fixes from netfilter.

  Current release - regressions:

   - mlx5: fix pre-2.40 binutils assembler error

  Current release - new code bugs:

   - net: psp: don't assume reply skbs will have a socket

   - eth: fbnic: fix missing programming of the default descriptor

  Previous releases - regressions:

   - page_pool: fix PP_MAGIC_MASK to avoid crashing on some 32-bit arches

   - tcp:
       - take care of zero tp->window_clamp in tcp_set_rcvlowat()
       - don't call reqsk_fastopen_remove() in tcp_conn_request()

   - eth:
       - ice: release xa entry on adapter allocation failure
       - usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock

  Previous releases - always broken:

   - netfilter: validate objref and objrefmap expressions

   - sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()

   - eth:
       - mlx4: prevent potential use after free in mlx4_en_do_uc_filter()
       - mlx5: prevent tunnel mode conflicts between FDB and NIC IPsec tables
       - ocelot: fix use-after-free caused by cyclic delayed work

  Misc:

   -  add support for MediaTek PCIe 5G HP DRMR-H01"

* tag 'net-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits)
  net: airoha: Fix loopback mode configuration for GDM2 port
  selftests: drv-net: pp_alloc_fail: add necessary optoins to config
  selftests: drv-net: pp_alloc_fail: lower traffic expectations
  selftests: drv-net: fix linter warnings in pp_alloc_fail
  eth: fbnic: fix reporting of alloc_failed qstats
  selftests: drv-net: xdp: add test for interface level qstats
  selftests: drv-net: xdp: rename netnl to ethnl
  eth: fbnic: fix saving stats from XDP_TX rings on close
  eth: fbnic: fix accounting of XDP packets
  eth: fbnic: fix missing programming of the default descriptor
  selftests: netfilter: query conntrack state to check for port clash resolution
  selftests: netfilter: nft_fib.sh: fix spurious test failures
  bridge: br_vlan_fill_forward_path_pvid: use br_vlan_group_rcu()
  netfilter: nft_objref: validate objref and objrefmap expressions
  net: pse-pd: tps23881: Fix current measurement scaling
  net/mlx5: fix pre-2.40 binutils assembler error
  net/mlx5e: Do not fail PSP init on missing caps
  net/mlx5e: Prevent tunnel reformat when tunnel mode not allowed
  net/mlx5: Prevent tunnel mode conflicts between FDB and NIC IPsec tables
  net: usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock
  ...
2025-10-09 11:13:08 -07:00
Max Kellermann
7399212dcf libceph: pass the message pointer instead of loading con->out_msg
This pointer is in a register anyway, so let's use that instead of
reloading from memory everywhere.

[ idryomov: formatting ]

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2025-10-08 23:30:46 +02:00
Max Kellermann
59699a5a71 libceph: make ceph_con_get_out_msg() return the message pointer
The caller in messenger_v1.c loads it anyway, so let's keep the
pointer in the register instead of reloading it from memory.  This
eliminates a tiny bit of unnecessary overhead.

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2025-10-08 23:30:46 +02:00
Eric Biggers
27c0a7b05d libceph: Use HMAC-SHA256 library instead of crypto_shash
Use the HMAC-SHA256 library functions instead of crypto_shash.  This is
simpler and faster.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2025-10-08 23:30:45 +02:00
Linus Torvalds
ed4d6e9246 VFIO updates for v6.18-rc1 part 2
- Optimizations for DMA map and unmap opertions through the type1
    vfio IOMMU backend.  This uses various means of batching and hints
    from the mm structures to improve efficiency and therefore
    performance, resulting in a significant speedup for huge page
    use cases. (Li Zhe)
 
  - Expose supported device migration features through debugfs.
    (Cédric Le Goater)
 -----BEGIN PGP SIGNATURE-----
 
 iQJPBAABCAA5FiEEQvbATlQL0amee4qQI5ubbjuwiyIFAmjmgowbHGFsZXgud2ls
 bGlhbXNvbkByZWRoYXQuY29tAAoJECObm247sIsiUUAQAJyY7ykBiqbCJjflw3/P
 ZdE8hZZDx3vyuq7OY/JLjM0BQllSiBuJbOsB2EM5j8qr5K4Al9SrXBZ7crSyfqjN
 +/d/WI7/ndNapUT0+Q4zcb1W6bu/o1YnaklTpl+UV6zeX5ZjvgdVmKY0Ox+GKgqB
 oGcfMCK6+dSBUP7I27dpRBBcNs8NLA9lPNtqB8YC7GhXbfmhioXb//Ucpb570M40
 P20KnCnZywq/7AcEE2TcLWkMgUEMsPpPVH1IK0K+XtP2awrpxJ4/HY4G86UOMvPS
 DlH+yqqQSCze5etvvTS8Sao6G1SeuQL+wgUE0PYxgnZOO1nQ3L2Pw868gfFXKTrb
 N6uFKY2Gz6WMJWygDjv4RthKnQ7ChZmL7JjcL9W7/0mVZChVCVEGpZn2EiLUSk8Q
 gvNO2paKZeWO9jzLIqOE9/suNagDytV0Lu/AkHg7XZdiu86aI+lkmLgfj48e4ZXK
 KspNnUOJzRlJrHsHtIOhptBVjGd6Qn2dDW+HFtdEdSaDMvbA76QQQL+lQ8IwwvNy
 KVaknhqHrtXGo5yiIefDNV3333mfy65jIoFaLWozAjeX4U+FmuHPdD+uwgvB84T6
 3MkIPy27wuQtIO96r/UGR87smm3scFErK2IjHTGxFU2r9Mh42oVt9ahIJN34he1b
 x5UCfKCtx59o7fZRJgGPlFUT
 =nPnW
 -----END PGP SIGNATURE-----

Merge tag 'vfio-v6.18-rc1-pt2' of https://github.com/awilliam/linux-vfio

Pull more VFIO updates from Alex Williamson:

 - Optimizations for DMA map and unmap opertions through the type1 vfio
   IOMMU backend.

   This uses various means of batching and hints from the mm structures
   to improve efficiency and therefore performance, resulting in a
   significant speedup for huge page use cases (Li Zhe)

 - Expose supported device migration features through debugfs (Cédric Le
   Goater)

* tag 'vfio-v6.18-rc1-pt2' of https://github.com/awilliam/linux-vfio:
  vfio: Dump migration features under debugfs
  vfio/type1: optimize vfio_unpin_pages_remote()
  vfio/type1: introduce a new member has_rsvd for struct vfio_dma
  vfio/type1: batch vfio_find_vpfn() in function vfio_unpin_pages_remote()
  vfio/type1: optimize vfio_pin_pages_remote()
  mm: introduce num_pages_contiguous()
2025-10-08 11:22:27 -07:00
Linus Torvalds
99cedb6b8f Input updates for v6.18-rc0
- a number of conversions to yaml/json schema and fixes for
   input-related device tree bindings
 
 - a new driver for Awinic AW86927 haptic chip
 
 - a new driver for Hynitron CST816x series controller
 
 - a new driver for add Himax HX852x(ES) touchscreen controller
 
 - a fix to uinput to not leak kernel memory via a gap in
   uinput_ff_upload_compat structure
 
 - a fix to prevent overflow in pressure calculation in tsc2007 driver
   causing phantom touches
 
 - a change to Atmel maxTouch driver to support generic touchscreen
   configuration (flip, rotate, etc.)
 
 - support for platform data was dropped in tca8418_keypad,
   pxa27x-keypad, spear-keyboard and twl4030_keypad drivers, they all
   now rely on generic device properties for configuration
 
 - other assorted changes and fixes.
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQST2eWILY88ieB2DOtAj56VGEWXnAUCaOX1HQAKCRBAj56VGEWX
 nC29AQCsDm6HBKXJZl6nAI8WHQiSvASFvyFlF6scVnfueX54mQEA6eE428+Cr1Sn
 mDiwL38Es+PlZbdsi0J2q0vYzpr4yQU=
 =JZIn
 -----END PGP SIGNATURE-----

Merge tag 'input-for-v6.18-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - Conversions to yaml/json schema and fixes for input-related device
   tree bindings

 - New drivers:
     - Awinic AW86927 haptic chip
     - Hynitron CST816x series controller
     - Himax HX852x(ES) touchscreen controller

 - Fix uinput to not leak kernel memory via a gap in
   uinput_ff_upload_compat structure

 - Prevent overflow in pressure calculation in tsc2007 driver causing
   phantom touches

 - Make the Atmel maxTouch driver support generic touchscreen
   configuration (flip, rotate, etc)

 - Drop support for platform data in tca8418_keypad, pxa27x-keypad,
   spear-keyboard and twl4030_keypad drivers, they all now rely on
   generic device properties for configuration

 - Other assorted changes and fixes

* tag 'input-for-v6.18-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (50 commits)
  Input: atmel_mxt_ts - allow reset GPIO to sleep
  Input: aw86927 - fix error code in probe()
  Input: psxpad-spi - add a check for the return value of spi_setup()
  Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak
  Input: aw86927 - add driver for Awinic AW86927
  dt-bindings: input: Add Awinic AW86927
  dt-bindings: touchscreen: remove touchscreen.txt
  dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Add touchscreen child node
  dt-bindings: touchscreen: convert eeti bindings to json schema
  Input: pm8941-pwrkey - disable wakeup for resin by default
  dt-bindings: input: pm8941-pwrkey: Document wakeup-source property
  Input: add driver for Hynitron CST816x series
  dt-bindings: input: touchscreen: add hynitron cst816x series
  Input: imx6ul_tsc - set glitch threshold by DTS property
  dt-bindings: touchscreen: fsl,imx6ul-tsc: support glitch thresold
  dt-bindings: touchscreen: add debounce-delay-us property
  Input: ps2-gpio - fix typo
  Input: atmel_mxt_ts - add support for generic touchscreen configurations
  dt-bindings: input: maxtouch: add common touchscreen properties
  dt-bindings: touchscreen: convert zet6223 bindings to json schema
  ...
2025-10-08 09:44:38 -07:00
Jakub Acs
f04aad36a0 mm/ksm: fix flag-dropping behavior in ksm_madvise
syzkaller discovered the following crash: (kernel BUG)

[   44.607039] ------------[ cut here ]------------
[   44.607422] kernel BUG at mm/userfaultfd.c:2067!
[   44.608148] Oops: invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC KASAN NOPTI
[   44.608814] CPU: 1 UID: 0 PID: 2475 Comm: reproducer Not tainted 6.16.0-rc6 #1 PREEMPT(none)
[   44.609635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   44.610695] RIP: 0010:userfaultfd_release_all+0x3a8/0x460

<snip other registers, drop unreliable trace>

[   44.617726] Call Trace:
[   44.617926]  <TASK>
[   44.619284]  userfaultfd_release+0xef/0x1b0
[   44.620976]  __fput+0x3f9/0xb60
[   44.621240]  fput_close_sync+0x110/0x210
[   44.622222]  __x64_sys_close+0x8f/0x120
[   44.622530]  do_syscall_64+0x5b/0x2f0
[   44.622840]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   44.623244] RIP: 0033:0x7f365bb3f227

Kernel panics because it detects UFFD inconsistency during
userfaultfd_release_all().  Specifically, a VMA which has a valid pointer
to vma->vm_userfaultfd_ctx, but no UFFD flags in vma->vm_flags.

The inconsistency is caused in ksm_madvise(): when user calls madvise()
with MADV_UNMEARGEABLE on a VMA that is registered for UFFD in MINOR mode,
it accidentally clears all flags stored in the upper 32 bits of
vma->vm_flags.

Assuming x86_64 kernel build, unsigned long is 64-bit and unsigned int and
int are 32-bit wide.  This setup causes the following mishap during the &=
~VM_MERGEABLE assignment.

VM_MERGEABLE is a 32-bit constant of type unsigned int, 0x8000'0000. 
After ~ is applied, it becomes 0x7fff'ffff unsigned int, which is then
promoted to unsigned long before the & operation.  This promotion fills
upper 32 bits with leading 0s, as we're doing unsigned conversion (and
even for a signed conversion, this wouldn't help as the leading bit is 0).
& operation thus ends up AND-ing vm_flags with 0x0000'0000'7fff'ffff
instead of intended 0xffff'ffff'7fff'ffff and hence accidentally clears
the upper 32-bits of its value.

Fix it by changing `VM_MERGEABLE` constant to unsigned long, using the
BIT() macro.

Note: other VM_* flags are not affected: This only happens to the
VM_MERGEABLE flag, as the other VM_* flags are all constants of type int
and after ~ operation, they end up with leading 1 and are thus converted
to unsigned long with leading 1s.

Note 2:
After commit 31defc3b01 ("userfaultfd: remove (VM_)BUG_ON()s"), this is
no longer a kernel BUG, but a WARNING at the same place:

[   45.595973] WARNING: CPU: 1 PID: 2474 at mm/userfaultfd.c:2067

but the root-cause (flag-drop) remains the same.

[akpm@linux-foundation.org: rust bindgen wasn't able to handle BIT(), from Miguel]
  Link: https://lore.kernel.org/oe-kbuild-all/202510030449.VfSaAjvd-lkp@intel.com/
Link: https://lkml.kernel.org/r/20251001090353.57523-2-acsjakub@amazon.de
Fixes: 7677f7fd8b ("userfaultfd: add minor fault registration mode")
Signed-off-by: Jakub Acs <acsjakub@amazon.de>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: SeongJae Park <sj@kernel.org>
Tested-by: Alice Ryhl <aliceryhl@google.com>
Tested-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Xu Xin <xu.xin16@zte.com.cn>
Cc: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Peter Xu <peterx@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-10-07 14:01:12 -07:00
Shakeel Butt
fcc0669c5a memcg: skip cgroup_file_notify if spinning is not allowed
Generally memcg charging is allowed from all the contexts including NMI
where even spinning on spinlock can cause locking issues.  However one
call chain was missed during the addition of memcg charging from any
context support.  That is try_charge_memcg() -> memcg_memory_event() ->
cgroup_file_notify().

The possible function call tree under cgroup_file_notify() can acquire
many different spin locks in spinning mode.  Some of them are
cgroup_file_kn_lock, kernfs_notify_lock, pool_workqeue's lock.  So, let's
just skip cgroup_file_notify() from memcg charging if the context does not
allow spinning.

Alternative approach was also explored where instead of skipping
cgroup_file_notify(), we defer the memcg event processing to irq_work [1].
However it adds complexity and it was decided to keep things simple until
we need more memcg events with !allow_spinning requirement.

Link: https://lore.kernel.org/all/5qi2llyzf7gklncflo6gxoozljbm4h3tpnuv4u4ej4ztysvi6f@x44v7nz2wdzd/ [1]
Link: https://lkml.kernel.org/r/20250922220203.261714-1-shakeel.butt@linux.dev
Fixes: 3ac4638a73 ("memcg: make memcg_rstat_updated nmi safe")
Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Michal Hocko <mhocko@suse.com>
Closes: https://lore.kernel.org/all/20250905061919.439648-1-yepeilin@google.com/
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Peilin Ye <yepeilin@google.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Tejun Heo <tj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-10-07 14:01:11 -07:00
Mike Rapoport (Microsoft)
a667300bd5 kho: add support for preserving vmalloc allocations
A vmalloc allocation is preserved using binary structure similar to global
KHO memory tracker.  It's a linked list of pages where each page is an
array of physical address of pages in vmalloc area.

kho_preserve_vmalloc() hands out the physical address of the head page to
the caller.  This address is used as the argument to kho_vmalloc_restore()
to restore the mapping in the vmalloc address space and populate it with
the preserved pages.

[pasha.tatashin@soleen.com: free chunks using free_page() not kfree()]
  Link: https://lkml.kernel.org/r/mafs0a52idbeg.fsf@kernel.org
[akpm@linux-foundation.org: coding-style cleanups]
Link: https://lkml.kernel.org/r/20250921054458.4043761-4-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Cc: Alexander Graf <graf@amazon.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Changyuan Lyu <changyuanl@google.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-10-07 13:48:55 -07:00
Mike Rapoport (Microsoft)
8375b76517 kho: replace kho_preserve_phys() with kho_preserve_pages()
to make it clear that KHO operates on pages rather than on a random
physical address.

The kho_preserve_pages() will be also used in upcoming support for vmalloc
preservation.

Link: https://lkml.kernel.org/r/20250921054458.4043761-3-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Alexander Graf <graf@amazon.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Changyuan Lyu <changyuanl@google.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-10-07 13:48:55 -07:00
Linus Torvalds
16d1ba7c96 dma-mapping fixes for Linux 6.18:
- two small fixes for the recently performed code refactoring (Shigeru
 Yoshida) and missing handling of direction parameter in DMA debug code
 (Petr Tesarik)
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQSrngzkoBtlA8uaaJ+Jp1EFxbsSRAUCaOTg+QAKCRCJp1EFxbsS
 RDFkAQCxV0khAeYDuiPdub+9d5XGVGTjBxG1ErYsvDbbsZ3QpAEAhheuAdbMBYU1
 kOwmGuBUY32d0cMz0/4BfKbIzuQs9wE=
 =aE76
 -----END PGP SIGNATURE-----

Merge tag 'dma-mapping-6.18-2025-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux

Pull dma-mapping fixes from Marek Szyprowski:
 "Two small fixes for the recently performed code refactoring (Shigeru
  Yoshida) and missing handling of direction parameter in DMA debug code
  (Petr Tesarik)"

* tag 'dma-mapping-6.18-2025-10-07' of git://git.kernel.org/pub/scm/linux/kernel/git/mszyprowski/linux:
  dma-mapping: fix direction in dma_alloc direction traces
  kmsan: fix kmsan_handle_dma() to avoid false positives
2025-10-07 12:48:06 -07:00
Felix Kuehling
1f086d2508 drm/amdkfd: Fix two comments in kfd_ioctl.h
Queue read and write pointers are "to KFD", not "from KFD".

Suggested-by: Robert Liu <robert.liu@amd.com>
Signed-off-by: Felix Kuehling <felix.kuehling@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Robert Liu <robert.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-10-07 14:09:19 -04:00
Linus Torvalds
abdf766d14 More power management updates for 6.18-rc1
- Make cpufreq drivers setting the default CPU transition latency to
    CPUFREQ_ETERNAL specify a proper default transition latency value
    instead which addresses a regression introduced during the 6.6 cycle
    that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)
 
  - Make the cpufreq CPPC driver use a proper transition delay value
    when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency() to
    indicate an error condition (Rafael Wysocki)
 
  - Make cppc_get_transition_latency() return a negative error code to
    indicate error conditions instead of using CPUFREQ_ETERNAL for this
    purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
    Wysocki, Gopi Krishna Menon)
 
  - Fix device leak in the mediatek cpufreq driver (Johan Hovold)
 
  - Set target frequency on all CPUs sharing a policy during frequency
    updates in the tegra186 cpufreq driver and make it initialize all
    cores to max frequencies (Aaron Kling)
 
  - Rust cpufreq helper cleanup (Thorsten Blum)
 
  - Make pm_runtime_put*() family of functions return 1 when the
    given device is already suspended which is consistent with the
    documentation (Brian Norris)
 
  - Add basic kunit tests for runtime PM API contracts and update return
    values in kerneldoc comments for the runtime PM API (Brian Norris,
    Dan Carpenter)
 
  - Add auto-cleanup macros for runtime PM "resume and get" and "get
    without resume" operations, use one of them in the PCI core and
    drop the existing "free" macro introduced for similar purpose, but
    somewhat cumbersome to use (Rafael Wysocki)
 
  - Make the core power management code avoid waiting on device links
    marked as SYNC_STATE_ONLY which is consistent with the handling of
    those device links elsewhere (Pin-yen Lin)
 -----BEGIN PGP SIGNATURE-----
 
 iQFGBAABCAAwFiEEcM8Aw/RY0dgsiRUR7l+9nS/U47UFAmjk8hUSHHJqd0Byand5
 c29ja2kubmV0AAoJEO5fvZ0v1OO1PtgH/0AwdSCX8uI44n/EnyjLlQFWOdNSpXI4
 zAIReNLPP0skWrNwf5ivHYKPEWSeo0o0OjHiCjdTCC3uT8FxCLmjjlPS43zhhHem
 41YQFRJb6GpwD86Vog25q5GSPOQORvRGYV+ZGlMesah0cE4qh4LxgVSNtftm9z7b
 CjMFOeFEAAHFNGEEX4U2/GE+PFdbBGMjSDSfyLazKAKjZS436SOGvpP7NUTt0m9C
 kxO2JLJuQXph5lqyzDRAUu1yOseEwM/f6Y5wWs1z/T5GeIacub/KypZlxhsjWALf
 VxdXfvvLehidS747pxOzXPFhP8sXw1a4XdBNqlVGi/YjF7S9OuAxRMg=
 =RfuO
 -----END PGP SIGNATURE-----

Merge tag 'pm-6.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These are cpufreq fixes and cleanups on top of the material merged
  previously, a power management core code fix and updates of the
  runtime PM framework including unit tests, documentation updates and
  introduction of auto-cleanup macros for runtime PM "resume and get"
  and "get without resuming" operations.

  Specifics:

   - Make cpufreq drivers setting the default CPU transition latency to
     CPUFREQ_ETERNAL specify a proper default transition latency value
     instead which addresses a regression introduced during the 6.6
     cycle that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)

   - Make the cpufreq CPPC driver use a proper transition delay value
     when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency()
     to indicate an error condition (Rafael Wysocki)

   - Make cppc_get_transition_latency() return a negative error code to
     indicate error conditions instead of using CPUFREQ_ETERNAL for this
     purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
     Wysocki, Gopi Krishna Menon)

   - Fix device leak in the mediatek cpufreq driver (Johan Hovold)

   - Set target frequency on all CPUs sharing a policy during frequency
     updates in the tegra186 cpufreq driver and make it initialize all
     cores to max frequencies (Aaron Kling)

   - Rust cpufreq helper cleanup (Thorsten Blum)

   - Make pm_runtime_put*() family of functions return 1 when the given
     device is already suspended which is consistent with the
     documentation (Brian Norris)

   - Add basic kunit tests for runtime PM API contracts and update
     return values in kerneldoc comments for the runtime PM API (Brian
     Norris, Dan Carpenter)

   - Add auto-cleanup macros for runtime PM "resume and get" and "get
     without resume" operations, use one of them in the PCI core and
     drop the existing "free" macro introduced for similar purpose, but
     somewhat cumbersome to use (Rafael Wysocki)

   - Make the core power management code avoid waiting on device links
     marked as SYNC_STATE_ONLY which is consistent with the handling of
     those device links elsewhere (Pin-yen Lin)"

* tag 'pm-6.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  docs/zh_CN: Fix malformed table
  docs/zh_TW: Fix malformed table
  PM: runtime: Fix error checking for kunit_device_register()
  PM: runtime: Introduce one more usage counter guard
  cpufreq: Drop unused symbol CPUFREQ_ETERNAL
  ACPI: CPPC: Do not use CPUFREQ_ETERNAL as an error value
  cpufreq: CPPC: Avoid using CPUFREQ_ETERNAL as transition delay
  cpufreq: Make drivers using CPUFREQ_ETERNAL specify transition latency
  PM: runtime: Drop DEFINE_FREE() for pm_runtime_put()
  PCI/sysfs: Use runtime PM guard macro for auto-cleanup
  PM: runtime: Add auto-cleanup macros for "resume and get" operations
  cpufreq: tegra186: Initialize all cores to max frequencies
  cpufreq: tegra186: Set target frequency for all cpus in policy
  rust: cpufreq: streamline find_supply_names
  cpufreq: mediatek: fix device leak on probe failure
  PM: sleep: Do not wait on SYNC_STATE_ONLY device links
  PM: runtime: Update kerneldoc return codes
  PM: runtime: Make put{,_sync}() return 1 when already suspended
  PM: runtime: Add basic kunit tests for API contracts
2025-10-07 09:39:51 -07:00
Linus Torvalds
522ba450b5 There's a bunch of patches here across drivers/clk/ to migrate drivers to use
struct clk_ops::determine_rate() instead of the round_rate() one so that we can
 remove the round_rate clk_op entirely. Brian has taken up that task which
 nobody else has wanted to do for close to a decade. Thanks Brian! This is all
 prerequisite work to get to the real task of improving the clk rate setting
 process. Once we have determine_rate() used everywhere, we'll be able to do
 things like chain the rate request structs in linked lists to order the rate
 setting operations or add more parameters without having to change every clk
 driver in existence. It's also nice to not have multiple ways to do something
 which just causes confusion for clk driver authors. Overall I'm glad this is
 getting done.
 
 Beyond this change we also have a tweak to the clk_lookup() function in the
 core framework to use hashing on the clk name instead of a clk tree walk with
 string comparisons. We _still_ rely on the clk name to be unique, because
 historically we've used globally unique strings to describe the clk tree
 topology. This tree walk becomes increasingly slow as more clks are added to
 the system. Searching from the roots for a duplicate is simple but pretty dumb
 and it wastes boot time so we're using a hash table as an improvement. Ideally
 we wouldn't rely on the strings to be unique at all, relegating them to simply
 debug information, but that is future work that will likely require some sort
 of Kconfig knob indicating strings aren't used for topology description.
 
 Outside of the core framework changes we have the usual new SoC support and
 fixes to clk drivers for things that were discovered once the clks were used by
 consumer drivers. Nothing in particular is jumping out at me in the "misc"
 pile, except maybe the Amlogic driver that has gone through a refactoring. That
 series got a fix from testing in -next though so it seems likely that things
 have been getting good test coverage for a couple weeks already.
 -----BEGIN PGP SIGNATURE-----
 
 iQJIBAABCAAyFiEE9L57QeeUxqYDyoaDrQKIl8bklSUFAmjkoQAUHHN3Ym95ZEBj
 aHJvbWl1bS5vcmcACgkQrQKIl8bklSWfWBAA3cjpOX/qOBDPmYPvV+WgiTPcmnw+
 PaMiGNqIWctnJiuYYUNVCfBIvTk9i1vYSgEosHAOqjXQV+7Ee31420xn5RYr6Zen
 cfeD58SJwZ1JVidvxwWclC5pnfTVXBC3wlHILCFHhckaGOT2k3d0ryN2io2TYuRx
 t9JsoW73YW+bmOWoFDHPMp4ow5Q87aa8k3/srhIP67tw2mzJp8Wp+EG0t0PVFF7Z
 aboz+QPwyT2YOLFKJxm6nTLb9FRVq3QLSO3Ek0+0TYXfRqkfegvGR+M82P4Jq2Y3
 osmTsumWeI170iAETmx2Py+uUV8MmnvPFQ6mxrGoXYyOx9SclN+SC86cOsi+RsgD
 830CHupZ/TrN3+DGyX6WVx1j7XKCplKhFXrXiFbkPnj4nJwi5UgiJrjAjPy78+iX
 LyvKfeT9ooAAVBVRMyZIWGF3kuQf5qHFMps5fwJk/j3R9yMiI10SVhruhYij1qAi
 EEisj955xqdyZV2gq85E7zHbjySA0nvNABn3NVUQOKPYQqtpglqXKGJuXZ1//9pa
 fZM2a3fH7w4fwH1x06FKut9zf1AZUgyasJPtgyCT9dpN+pcoNmJfoH3T42MCItbm
 XKEYgnv/kQT+M+GokBUfg8bJY5uPnPLa/f6aAAIAKGZV0HXAqz2q73SDlW7KUQmr
 vhgA4MRH4Vqviic=
 =fjY4
 -----END PGP SIGNATURE-----

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

Pull clk updates from Stephen Boyd:
 "There's a bunch of patches here across drivers/clk/ to migrate drivers
  to use struct clk_ops::determine_rate() instead of the round_rate()
  one so that we can remove the round_rate clk_op entirely. Brian has
  taken up that task which nobody else has wanted to do for close to a
  decade. Thanks Brian!

  This is all prerequisite work to get to the real task of improving the
  clk rate setting process. Once we have determine_rate() used
  everywhere, we'll be able to do things like chain the rate request
  structs in linked lists to order the rate setting operations or add
  more parameters without having to change every clk driver in
  existence. It's also nice to not have multiple ways to do something
  which just causes confusion for clk driver authors. Overall I'm glad
  this is getting done.

  Beyond this change we also have a tweak to the clk_lookup() function
  in the core framework to use hashing on the clk name instead of a clk
  tree walk with string comparisons. We _still_ rely on the clk name to
  be unique, because historically we've used globally unique strings to
  describe the clk tree topology. This tree walk becomes increasingly
  slow as more clks are added to the system. Searching from the roots
  for a duplicate is simple but pretty dumb and it wastes boot time so
  we're using a hash table as an improvement. Ideally we wouldn't rely
  on the strings to be unique at all, relegating them to simply debug
  information, but that is future work that will likely require some
  sort of Kconfig knob indicating strings aren't used for topology
  description.

  Outside of the core framework changes we have the usual new SoC
  support and fixes to clk drivers for things that were discovered once
  the clks were used by consumer drivers. Nothing in particular is
  jumping out at me in the "misc" pile, except maybe the Amlogic driver
  that has gone through a refactoring. That series got a fix from
  testing in -next though so it seems likely that things have been
  getting good test coverage for a couple weeks already"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (299 commits)
  clk: microchip: core: remove duplicate roclk_determine_rate()
  reset: aspeed: register AST2700 reset auxiliary bus device
  dt-bindings: clock: ast2700: modify soc0/1 clock define
  clk: tegra: do not overallocate memory for bpmp clocks
  clk: ep93xx: Use int type to store negative error codes
  clk: nxp: Fix pll0 rate check condition in LPC18xx CGU driver
  clk: loongson2: Add clock definitions for Loongson-2K0300 SoC
  clk: loongson2: Avoid hardcoding firmware name of the reference clock
  clk: loongson2: Allow zero divisors for dividers
  clk: loongson2: Support scale clocks with an alternative mode
  clk: loongson2: Allow specifying clock flags for gate clock
  dt-bindings: clock: loongson2: Add Loongson-2K0300 compatible
  clk: clocking-wizard: Fix output clock register offset for Versal platforms
  clk: xilinx: Optimize divisor search in clk_wzrd_get_divisors_ver()
  clk: mmp: pxa1908: Instantiate power driver through auxiliary bus
  clk: s2mps11: add support for S2MPG10 PMIC clock
  dt-bindings: clock: samsung,s2mps11: add s2mpg10
  dt-bindings: stm32: cosmetic fixes for STM32MP25 clock and reset bindings
  clk: stm32: introduce clocks for STM32MP21 platform
  dt-bindings: stm32: add STM32MP21 clocks and reset bindings
  ...
2025-10-07 09:28:37 -07:00
Linus Torvalds
2215336295 hyperv-next for v6.18
-----BEGIN PGP SIGNATURE-----
 
 iQFHBAABCgAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAmjkpakTHHdlaS5saXVA
 a2VybmVsLm9yZwAKCRB2FHBfkEGgXip5B/48MvTFJ1qwRGPVzevZQ8Z4SDogEREp
 69VS/xRf1YCIzyXyanwqf1dXLq8NAqicSp6ewpJAmNA55/9O0cwT2EtohjeGCu61
 krPIvS3KT7xI0uSEniBdhBtALYBscnQ0e3cAbLNzL7bwA6Q6OmvoIawpBADgE/cW
 aZNCK9jy+WUqtXc6lNtkJtST0HWGDn0h04o2hjqIkZ+7ewjuEEJBUUB/JZwJ41Od
 UxbID0PAcn9O4n/u/Y/GH65MX+ddrdCgPHEGCLAGAKT24lou3NzVv445OuCw0c4W
 ilALIRb9iea56ZLVBW5O82+7g9Ag41LGq+841MNlZjeRNONGykaUpTWZ
 =OR26
 -----END PGP SIGNATURE-----

Merge tag 'hyperv-next-signed-20251006' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - Unify guest entry code for KVM and MSHV (Sean Christopherson)

 - Switch Hyper-V MSI domain to use msi_create_parent_irq_domain()
   (Nam Cao)

 - Add CONFIG_HYPERV_VMBUS and limit the semantics of CONFIG_HYPERV
   (Mukesh Rathor)

 - Add kexec/kdump support on Azure CVMs (Vitaly Kuznetsov)

 - Deprecate hyperv_fb in favor of Hyper-V DRM driver (Prasanna
   Kumar T S M)

 - Miscellaneous enhancements, fixes and cleanups (Abhishek Tiwari,
   Alok Tiwari, Nuno Das Neves, Wei Liu, Roman Kisel, Michael Kelley)

* tag 'hyperv-next-signed-20251006' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  hyperv: Remove the spurious null directive line
  MAINTAINERS: Mark hyperv_fb driver Obsolete
  fbdev/hyperv_fb: deprecate this in favor of Hyper-V DRM driver
  Drivers: hv: Make CONFIG_HYPERV bool
  Drivers: hv: Add CONFIG_HYPERV_VMBUS option
  Drivers: hv: vmbus: Fix typos in vmbus_drv.c
  Drivers: hv: vmbus: Fix sysfs output format for ring buffer index
  Drivers: hv: vmbus: Clean up sscanf format specifier in target_cpu_store()
  x86/hyperv: Switch to msi_create_parent_irq_domain()
  mshv: Use common "entry virt" APIs to do work in root before running guest
  entry: Rename "kvm" entry code assets to "virt" to genericize APIs
  entry/kvm: KVM: Move KVM details related to signal/-EINTR into KVM proper
  mshv: Handle NEED_RESCHED_LAZY before transferring to guest
  x86/hyperv: Add kexec/kdump support on Azure CVMs
  Drivers: hv: Simplify data structures for VMBus channel close message
  Drivers: hv: util: Cosmetic changes for hv_utils_transport.c
  mshv: Add support for a new parent partition configuration
  clocksource: hyper-v: Skip unnecessary checks for the root partition
  hyperv: Add missing field to hv_output_map_device_interrupt
2025-10-07 08:40:15 -07:00
Christoph Hellwig
506aa235f6 block: move bio_iov_iter_get_bdev_pages to block/fops.c
Keep bio_iov_iter_get_bdev_pages local with the callers, as blindly
looking at the bdev logical block size is often not the best idea
unless on a block device.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-10-07 08:05:44 -06:00
Christoph Hellwig
82dd5d763c block: rename bio_iov_iter_get_pages_aligned to bio_iov_iter_get_pages
Now that the bio_iov_iter_get_pages is free again, use it instead of
the more complicated now.  Also drop the unused export.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-10-07 08:05:44 -06:00
Christoph Hellwig
1ed06c8350 block: remove bio_iov_iter_get_pages
Switch the only caller to bio_iov_iter_get_pages, and explain why it does
not have any alignment requirements.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-10-07 08:05:44 -06:00
Haiyue Wang
beb97995b9 io_uring: use tab indentation for IORING_SEND_VECTORIZED comment
Be consistent with tab style of "liburing/src/include/liburing/io_uring.h".

Signed-off-by: Haiyue Wang <haiyuewa@163.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-10-07 08:04:09 -06:00
Rafael J. Wysocki
53d4d315d4 Merge branch 'pm-cpufreq'
Merge cpufreq fixes and cleanups, mostly on top of those fixes, for
6.18-rc1:

 - Make cpufreq drivers setting the default CPU transition latency to
   CPUFREQ_ETERNAL specify a proper default transition latency value
   instead which addresses a regression introduced during the 6.6 cycle
   that broke CPUFREQ_ETERNAL handling (Rafael Wysocki)

 - Make the cpufreq CPPC driver use a proper transition delay value
   when CPUFREQ_ETERNAL is returned by cppc_get_transition_latency() to
   indicate an error condition (Rafael Wysocki)

 - Make cppc_get_transition_latency() return a negative error code to
   indicate error conditions instead of using CPUFREQ_ETERNAL for this
   purpose and drop CPUFREQ_ETERNAL that has no other users (Rafael
   Wysocki, Gopi Krishna Menon)

 - Fix device leak in the mediatek cpufreq driver (Johan Hovold)

 - Set target frequency on all CPUs sharing a policy during frequency
   updates in the tegra186 cpufreq driver and make it initialize all
   cores to max frequencies (Aaron Kling)

 - Rust cpufreq helper cleanup (Thorsten Blum)

* pm-cpufreq:
  docs/zh_CN: Fix malformed table
  docs/zh_TW: Fix malformed table
  cpufreq: Drop unused symbol CPUFREQ_ETERNAL
  ACPI: CPPC: Do not use CPUFREQ_ETERNAL as an error value
  cpufreq: CPPC: Avoid using CPUFREQ_ETERNAL as transition delay
  cpufreq: Make drivers using CPUFREQ_ETERNAL specify transition latency
  cpufreq: tegra186: Initialize all cores to max frequencies
  cpufreq: tegra186: Set target frequency for all cpus in policy
  rust: cpufreq: streamline find_supply_names
  cpufreq: mediatek: fix device leak on probe failure
2025-10-07 12:31:46 +02:00
Rafael J. Wysocki
05f084d24e Merge branches 'pm-core' and 'pm-runtime'
Merge runtime PM framework updates and a core power management code fix
for 6.18-rc1:

 - Make pm_runtime_put*() family of functions return 1 when the
   given device is already suspended which is consistent with the
   documentation (Brian Norris)

 - Add basic kunit tests for runtime PM API contracts and update return
   values in kerneldoc coments for the runtime PM API (Brian Norris,
   Dan Carpenter)

 - Add auto-cleanup macros for runtime PM "resume and get" and "get
   without resume" operations, use one of them in the PCI core and
   drop the existing "free" macro introduced for similar purpose, but
   somewhat cumbersome to use (Rafael Wysocki)

 - Make the core power management code avoid waiting on device links
   marked as SYNC_STATE_ONLY which is consistent with the handling of
   those device links elsewhere (Pin-yen Lin)

* pm-core:
  PM: sleep: Do not wait on SYNC_STATE_ONLY device links

* pm-runtime:
  PM: runtime: Fix error checking for kunit_device_register()
  PM: runtime: Introduce one more usage counter guard
  PM: runtime: Drop DEFINE_FREE() for pm_runtime_put()
  PCI/sysfs: Use runtime PM guard macro for auto-cleanup
  PM: runtime: Add auto-cleanup macros for "resume and get" operations
  PM: runtime: Update kerneldoc return codes
  PM: runtime: Make put{,_sync}() return 1 when already suspended
  PM: runtime: Add basic kunit tests for API contracts
2025-10-07 12:20:36 +02:00
Linus Torvalds
81538c8e42 NFSD 6.18 Release Notes
Mike Snitzer has prototyped a mechanism for disabling I/O caching in
 NFSD. This is introduced in v6.18 as an experimental feature. This
 enables scaling NFSD in /both/ directions:
 
 - NFS service can be supported on systems with small memory
   footprints, such as low-cost cloud instances
 - Large NFS workloads will be less likely to force the eviction of
   server-local activity, helping it avoid thrashing
 
 Jeff Layton contributed a number of fixes to the new attribute
 delegation implementation (based on a pending Internet RFC) that we
 hope will make attribute delegation reliable enough to enable by
 default, as it is on the Linux NFS client.
 
 The remaining patches in this pull request are clean-ups and minor
 optimizations. Many thanks to the contributors, reviewers, testers,
 and bug reporters who participated during the v6.18 NFSD development
 cycle.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmjjxZMACgkQM2qzM29m
 f5dhcA//f6ha4lQ2qq3HfJCa4jLe55LEEYiPPgsBLyuAJtQcEQEVJtb1+0qmdeoE
 4ROW/ooE6TmgRX3hJxpUqMeJPj99lC/Y29gsDfWvl9+EM1Dii4JborEBXFwKXn5b
 KQhM/UK0H8nsZSDys5nr45eai0LQhjL6kbG2k2OoRxDjj1VpOdqVMYWKBVFDwYLc
 LDqv/zh4mB30faMATfLkLpGQb2J9sWd6+Ks45m0H6+KkEEjINlHB5WTX601Omyw5
 7YgIiR9/OPLiEcY0rK1iDjiY5g3sFza/W+hqzBADi9i5BDdadYUhUvQWgR+Y4SDD
 04UltS5eVRtLM74S3JErWqQ4yuS5/aiUcinNeHV6wyfunuipusG2Hc5ZehcJAH78
 Pt8D9KcBCsCMv2sBJl3vH7++rpBeiP9WHONrydK25Omk5as7eOGFjxE++KQ69BOB
 +AtHIKEtw1VqX8IpLaG1EL3Ux22z4/PRw2sVx1Oql3mgOCXIsBTr7KPVhjwfBoQO
 qlGpnj+xGV1b082BBMfTp1TLtRdD2PKOMaUQeF8XhyEXw92iGQfi0fCrAsbpFKfn
 D3+BK3mR+tOcaEhpHhqU/XwiYfSTU0NYrimmjEvGbFhsT0Tz+RSoNQUBth2tJaqZ
 hMEBmVujtu5LWnD0+dUNuylL10I4XDge+NVEmJa9pg2nFmjcojw=
 =/nLS
 -----END PGP SIGNATURE-----

Merge tag 'nfsd-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd updates from Chuck Lever:
 "Mike Snitzer has prototyped a mechanism for disabling I/O caching in
  NFSD. This is introduced in v6.18 as an experimental feature. This
  enables scaling NFSD in /both/ directions:

   - NFS service can be supported on systems with small memory
     footprints, such as low-cost cloud instances

   - Large NFS workloads will be less likely to force the eviction of
     server-local activity, helping it avoid thrashing

  Jeff Layton contributed a number of fixes to the new attribute
  delegation implementation (based on a pending Internet RFC) that we
  hope will make attribute delegation reliable enough to enable by
  default, as it is on the Linux NFS client.

  The remaining patches in this pull request are clean-ups and minor
  optimizations. Many thanks to the contributors, reviewers, testers,
  and bug reporters who participated during the v6.18 NFSD development
  cycle"

* tag 'nfsd-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (42 commits)
  nfsd: discard nfserr_dropit
  SUNRPC: Make RPCSEC_GSS_KRB5 select CRYPTO instead of depending on it
  NFSD: Add io_cache_{read,write} controls to debugfs
  NFSD: Do the grace period check in ->proc_layoutget
  nfsd: delete unnecessary NULL check in __fh_verify()
  NFSD: Allow layoutcommit during grace period
  NFSD: Disallow layoutget during grace period
  sunrpc: fix "occurence"->"occurrence"
  nfsd: Don't force CRYPTO_LIB_SHA256 to be built-in
  nfsd: nfserr_jukebox in nlm_fopen should lead to a retry
  NFSD: Reduce DRC bucket size
  NFSD: Delay adding new entries to LRU
  SUNRPC: Move the svc_rpcb_cleanup() call sites
  NFS: Remove rpcbind cleanup for NFSv4.0 callback
  nfsd: unregister with rpcbind when deleting a transport
  NFSD: Drop redundant conversion to bool
  sunrpc: eliminate return pointer in svc_tcp_sendmsg()
  sunrpc: fix pr_notice in svc_tcp_sendto() to show correct length
  nfsd: decouple the xprtsec policy check from check_nfsd_access()
  NFSD: Fix destination buffer size in nfsd4_ssc_setup_dul()
  ...
2025-10-06 13:22:21 -07:00
Linus Torvalds
256e341706 Generic:
* Rework almost all of KVM's exports to expose symbols only to KVM's x86
   vendor modules (kvm-{amd,intel}.ko and PPC's kvm-{pr,hv}.ko.
 
 x86:
 
 * Rework almost all of KVM x86's exports to expose symbols only to KVM's
   vendor modules, i.e. to kvm-{amd,intel}.ko.
 
 * Add support for virtualizing Control-flow Enforcement Technology (CET) on
   Intel (Shadow Stacks and Indirect Branch Tracking) and AMD (Shadow Stacks).
   It's worth noting that while SHSTK and IBT can be enabled separately in CPUID,
   it is not really possible to virtualize them separately.  Therefore, Intel
   processors will really allow both SHSTK and IBT under the hood if either is
   made visible in the guest's CPUID.  The alternative would be to intercept
   XSAVES/XRSTORS, which is not feasible for performance reasons.
 
 * Fix a variety of fuzzing WARNs all caused by checking L1 intercepts when
   completing userspace I/O.  KVM has already committed to allowing L2 to
   to perform I/O at that point.
 
 * Emulate PERF_CNTR_GLOBAL_STATUS_SET for PerfMonV2 guests, as the MSR is
   supposed to exist for v2 PMUs.
 
 * Allow Centaur CPU leaves (base 0xC000_0000) for Zhaoxin CPUs.
 
 * Add support for the immediate forms of RDMSR and WRMSRNS, sans full
   emulator support (KVM should never need to emulate the MSRs outside of
   forced emulation and other contrived testing scenarios).
 
 * Clean up the MSR APIs in preparation for CET and FRED virtualization, as
   well as mediated vPMU support.
 
 * Clean up a pile of PMU code in anticipation of adding support for mediated
   vPMUs.
 
 * Reject in-kernel IOAPIC/PIT for TDX VMs, as KVM can't obtain EOI vmexits
   needed to faithfully emulate an I/O APIC for such guests.
 
 * Many cleanups and minor fixes.
 
 * Recover possible NX huge pages within the TDP MMU under read lock to
   reduce guest jitter when restoring NX huge pages.
 
 * Return -EAGAIN during prefault if userspace concurrently deletes/moves the
   relevant memslot, to fix an issue where prefaulting could deadlock with the
   memslot update.
 
 x86 (AMD):
 
 * Enable AVIC by default for Zen4+ if x2AVIC (and other prereqs) is supported.
 
 * Require a minimum GHCB version of 2 when starting SEV-SNP guests via
   KVM_SEV_INIT2 so that invalid GHCB versions result in immediate errors
   instead of latent guest failures.
 
 * Add support for SEV-SNP's CipherText Hiding, an opt-in feature that prevents
   unauthorized CPU accesses from reading the ciphertext of SNP guest private
   memory, e.g. to attempt an offline attack.  This feature splits the shared
   SEV-ES/SEV-SNP ASID space into separate ranges for SEV-ES and SEV-SNP guests,
   therefore a new module parameter is needed to control the number of ASIDs
   that can be used for VMs with CipherText Hiding vs. how many can be used to
   run SEV-ES guests.
 
 * Add support for Secure TSC for SEV-SNP guests, which prevents the untrusted
   host from tampering with the guest's TSC frequency, while still allowing the
   the VMM to configure the guest's TSC frequency prior to launch.
 
 * Validate the XCR0 provided by the guest (via the GHCB) to avoid bugs
   resulting from bogus XCR0 values.
 
 * Save an SEV guest's policy if and only if LAUNCH_START fully succeeds to
   avoid leaving behind stale state (thankfully not consumed in KVM).
 
 * Explicitly reject non-positive effective lengths during SNP's LAUNCH_UPDATE
   instead of subtly relying on guest_memfd to deal with them.
 
 * Reload the pre-VMRUN TSC_AUX on #VMEXIT for SEV-ES guests, not the host's
   desired TSC_AUX, to fix a bug where KVM was keeping a different vCPU's
   TSC_AUX in the host MSR until return to userspace.
 
 KVM (Intel):
 
 * Preparation for FRED support.
 
 * Don't retry in TDX's anti-zero-step mitigation if the target memslot is
   invalid, i.e. is being deleted or moved, to fix a deadlock scenario similar
   to the aforementioned prefaulting case.
 
 * Misc bugfixes and minor cleanups.
 -----BEGIN PGP SIGNATURE-----
 
 iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmjjx/0UHHBib256aW5p
 QHJlZGhhdC5jb20ACgkQv/vSX3jHroMLFwf9HXZdqBn6VvkbSL/HIGdNG1BEzeJ0
 MQVEMMdmWJ72JtI6soJ6oN5NWTIJJeMTPuCgRrNxFbIivSdm9vYPTSCNwNBhKb+H
 FEsr62a9T4XgnTqy20h+yZJiKNvwtaggdTWFnUAUqsBSFkEtksAP72odvZx+GNv/
 cndqtxy/84TcJ4ZXFdxElylCcQ9xRoRkqkU8KaVfg88wqMIMbSR3OBSH/g8bqR+3
 cjvDGNC7TPHPEN2Wmq2AYluRlBxB2ZhsOauArsdidPXHAevO+AFnbS27fz6bixZK
 LTS/qwKOsvhFzyHngemuG6s6HgkgBEshfcKk5i7d2ReRjaGP4EvkhmlImA==
 =k49c
 -----END PGP SIGNATURE-----

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

Pull x86 kvm updates from Paolo Bonzini:
 "Generic:

   - Rework almost all of KVM's exports to expose symbols only to KVM's
     x86 vendor modules (kvm-{amd,intel}.ko and PPC's kvm-{pr,hv}.ko

  x86:

   - Rework almost all of KVM x86's exports to expose symbols only to
     KVM's vendor modules, i.e. to kvm-{amd,intel}.ko

   - Add support for virtualizing Control-flow Enforcement Technology
     (CET) on Intel (Shadow Stacks and Indirect Branch Tracking) and AMD
     (Shadow Stacks).

     It is worth noting that while SHSTK and IBT can be enabled
     separately in CPUID, it is not really possible to virtualize them
     separately. Therefore, Intel processors will really allow both
     SHSTK and IBT under the hood if either is made visible in the
     guest's CPUID. The alternative would be to intercept
     XSAVES/XRSTORS, which is not feasible for performance reasons

   - Fix a variety of fuzzing WARNs all caused by checking L1 intercepts
     when completing userspace I/O. KVM has already committed to
     allowing L2 to to perform I/O at that point

   - Emulate PERF_CNTR_GLOBAL_STATUS_SET for PerfMonV2 guests, as the
     MSR is supposed to exist for v2 PMUs

   - Allow Centaur CPU leaves (base 0xC000_0000) for Zhaoxin CPUs

   - Add support for the immediate forms of RDMSR and WRMSRNS, sans full
     emulator support (KVM should never need to emulate the MSRs outside
     of forced emulation and other contrived testing scenarios)

   - Clean up the MSR APIs in preparation for CET and FRED
     virtualization, as well as mediated vPMU support

   - Clean up a pile of PMU code in anticipation of adding support for
     mediated vPMUs

   - Reject in-kernel IOAPIC/PIT for TDX VMs, as KVM can't obtain EOI
     vmexits needed to faithfully emulate an I/O APIC for such guests

   - Many cleanups and minor fixes

   - Recover possible NX huge pages within the TDP MMU under read lock
     to reduce guest jitter when restoring NX huge pages

   - Return -EAGAIN during prefault if userspace concurrently
     deletes/moves the relevant memslot, to fix an issue where
     prefaulting could deadlock with the memslot update

  x86 (AMD):

   - Enable AVIC by default for Zen4+ if x2AVIC (and other prereqs) is
     supported

   - Require a minimum GHCB version of 2 when starting SEV-SNP guests
     via KVM_SEV_INIT2 so that invalid GHCB versions result in immediate
     errors instead of latent guest failures

   - Add support for SEV-SNP's CipherText Hiding, an opt-in feature that
     prevents unauthorized CPU accesses from reading the ciphertext of
     SNP guest private memory, e.g. to attempt an offline attack. This
     feature splits the shared SEV-ES/SEV-SNP ASID space into separate
     ranges for SEV-ES and SEV-SNP guests, therefore a new module
     parameter is needed to control the number of ASIDs that can be used
     for VMs with CipherText Hiding vs. how many can be used to run
     SEV-ES guests

   - Add support for Secure TSC for SEV-SNP guests, which prevents the
     untrusted host from tampering with the guest's TSC frequency, while
     still allowing the the VMM to configure the guest's TSC frequency
     prior to launch

   - Validate the XCR0 provided by the guest (via the GHCB) to avoid
     bugs resulting from bogus XCR0 values

   - Save an SEV guest's policy if and only if LAUNCH_START fully
     succeeds to avoid leaving behind stale state (thankfully not
     consumed in KVM)

   - Explicitly reject non-positive effective lengths during SNP's
     LAUNCH_UPDATE instead of subtly relying on guest_memfd to deal with
     them

   - Reload the pre-VMRUN TSC_AUX on #VMEXIT for SEV-ES guests, not the
     host's desired TSC_AUX, to fix a bug where KVM was keeping a
     different vCPU's TSC_AUX in the host MSR until return to userspace

  KVM (Intel):

   - Preparation for FRED support

   - Don't retry in TDX's anti-zero-step mitigation if the target
     memslot is invalid, i.e. is being deleted or moved, to fix a
     deadlock scenario similar to the aforementioned prefaulting case

   - Misc bugfixes and minor cleanups"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (142 commits)
  KVM: x86: Export KVM-internal symbols for sub-modules only
  KVM: x86: Drop pointless exports of kvm_arch_xxx() hooks
  KVM: x86: Move kvm_intr_is_single_vcpu() to lapic.c
  KVM: Export KVM-internal symbols for sub-modules only
  KVM: s390/vfio-ap: Use kvm_is_gpa_in_memslot() instead of open coded equivalent
  KVM: VMX: Make CR4.CET a guest owned bit
  KVM: selftests: Verify MSRs are (not) in save/restore list when (un)supported
  KVM: selftests: Add coverage for KVM-defined registers in MSRs test
  KVM: selftests: Add KVM_{G,S}ET_ONE_REG coverage to MSRs test
  KVM: selftests: Extend MSRs test to validate vCPUs without supported features
  KVM: selftests: Add support for MSR_IA32_{S,U}_CET to MSRs test
  KVM: selftests: Add an MSR test to exercise guest/host and read/write
  KVM: x86: Define AMD's #HV, #VC, and #SX exception vectors
  KVM: x86: Define Control Protection Exception (#CP) vector
  KVM: x86: Add human friendly formatting for #XM, and #VE
  KVM: SVM: Enable shadow stack virtualization for SVM
  KVM: SEV: Synchronize MSR_IA32_XSS from the GHCB when it's valid
  KVM: SVM: Pass through shadow stack MSRs as appropriate
  KVM: SVM: Update dump_vmcb with shadow stack save area additions
  KVM: nSVM: Save/load CET Shadow Stack state to/from vmcb12/vmcb02
  ...
2025-10-06 12:37:34 -07:00
Toke Høiland-Jørgensen
95920c2ed0 page_pool: Fix PP_MAGIC_MASK to avoid crashing on some 32-bit arches
Helge reported that the introduction of PP_MAGIC_MASK let to crashes on
boot on his 32-bit parisc machine. The cause of this is the mask is set
too wide, so the page_pool_page_is_pp() incurs false positives which
crashes the machine.

Just disabling the check in page_pool_is_pp() will lead to the page_pool
code itself malfunctioning; so instead of doing this, this patch changes
the define for PP_DMA_INDEX_BITS to avoid mistaking arbitrary kernel
pointers for page_pool-tagged pages.

The fix relies on the kernel pointers that alias with the pp_magic field
always being above PAGE_OFFSET. With this assumption, we can use the
lowest bit of the value of PAGE_OFFSET as the upper bound of the
PP_DMA_INDEX_MASK, which should avoid the false positives.

Because we cannot rely on PAGE_OFFSET always being a compile-time
constant, nor on it always being >0, we fall back to disabling the
dma_index storage when there are not enough bits available. This leaves
us in the situation we were in before the patch in the Fixes tag, but
only on a subset of architecture configurations. This seems to be the
best we can do until the transition to page types in complete for
page_pool pages.

v2:
- Make sure there's at least 8 bits available and that the PAGE_OFFSET
  bit calculation doesn't wrap

Link: https://lore.kernel.org/all/aMNJMFa5fDalFmtn@p100/
Fixes: ee62ce7a1d ("page_pool: Track DMA-mapped pages and unmap them when destroying the pool")
Cc: stable@vger.kernel.org # 6.15+
Tested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Tested-by: Helge Deller <deller@gmx.de>
Link: https://patch.msgid.link/20250930114331.675412-1-toke@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-10-06 12:14:04 -07:00
Stephen Boyd
112104e2b7
Merge branch 'clk-determine-rate' into clk-next
* clk-determine-rate: (120 commits)
  clk: microchip: core: remove duplicate roclk_determine_rate()
  clk: nxp: Fix pll0 rate check condition in LPC18xx CGU driver
  clk: scmi: migrate round_rate() to determine_rate()
  clk: ti: fapll: convert from round_rate() to determine_rate()
  clk: ti: dra7-atl: convert from round_rate() to determine_rate()
  clk: ti: divider: convert from round_rate() to determine_rate()
  clk: ti: composite: convert from round_rate() to determine_rate()
  clk: ti: dpll: convert from round_rate() to determine_rate()
  clk: ti: dpll: change error return from ~0 to -EINVAL
  clk: ti: dpll: remove round_rate() in favor of determine_rate()
  clk: tegra: tegra210-emc: convert from round_rate() to determine_rate()
  clk: tegra: super: convert from round_rate() to determine_rate()
  clk: tegra: pll: convert from round_rate() to determine_rate()
  clk: tegra: periph: divider: convert from round_rate() to determine_rate()
  clk: tegra: divider: convert from round_rate() to determine_rate()
  clk: tegra: audio-sync: convert from round_rate() to determine_rate()
  clk: fixed-factor: drop round_rate() clk ops
  clk: divider: remove round_rate() in favor of determine_rate()
  clk: visconti: pll: convert from round_rate() to determine_rate()
  clk: versatile: vexpress-osc: convert from round_rate() to determine_rate()
  ...
2025-10-06 13:02:50 -05:00
Stephen Boyd
f35f83208c
Merge branches 'clk-aspeed' and 'clk-rockchip' into clk-next
* clk-aspeed:
  reset: aspeed: register AST2700 reset auxiliary bus device
  dt-bindings: clock: ast2700: modify soc0/1 clock define

* clk-rockchip:
  clk: rockchip: rk3368: use clock ids for SCLK_MIPIDSI_24M
  dt-bindings: clock: rk3368: Add SCLK_MIPIDSI_24M
2025-10-06 13:00:50 -05:00
Stephen Boyd
8397c58ea7
Merge branches 'clk-marvell', 'clk-xilinx', 'clk-mediatek' and 'clk-loongson' into clk-next
- Add Mediatek MT8196 clk drivers

* clk-marvell:
  clk: mmp: pxa1908: Instantiate power driver through auxiliary bus

* clk-xilinx:
  clk: clocking-wizard: Fix output clock register offset for Versal platforms
  clk: xilinx: Optimize divisor search in clk_wzrd_get_divisors_ver()

* clk-mediatek: (31 commits)
  clk: mediatek: Add MT8196 vencsys clock support
  clk: mediatek: Add MT8196 vdecsys clock support
  clk: mediatek: Add MT8196 ovl1 clock support
  clk: mediatek: Add MT8196 ovl0 clock support
  clk: mediatek: Add MT8196 disp-ao clock support
  clk: mediatek: Add MT8196 disp1 clock support
  clk: mediatek: Add MT8196 disp0 clock support
  clk: mediatek: Add MT8196 mfg clock support
  clk: mediatek: Add MT8196 mdpsys clock support
  clk: mediatek: Add MT8196 mcu clock support
  clk: mediatek: Add MT8196 I2C clock support
  clk: mediatek: Add MT8196 pextpsys clock support
  clk: mediatek: Add MT8196 ufssys clock support
  clk: mediatek: Add MT8196 peripheral clock support
  clk: mediatek: Add MT8196 vlpckgen clock support
  clk: mediatek: Add MT8196 topckgen2 clock support
  clk: mediatek: Add MT8196 topckgen clock support
  clk: mediatek: Add MT8196 apmixedsys clock support
  dt-bindings: clock: mediatek: Describe MT8196 clock controllers
  clk: mediatek: clk-mtk: Add MUX_DIV_GATE macro
  ...

* clk-loongson:
  clk: loongson2: Add clock definitions for Loongson-2K0300 SoC
  clk: loongson2: Avoid hardcoding firmware name of the reference clock
  clk: loongson2: Allow zero divisors for dividers
  clk: loongson2: Support scale clocks with an alternative mode
  clk: loongson2: Allow specifying clock flags for gate clock
  dt-bindings: clock: loongson2: Add Loongson-2K0300 compatible
2025-10-06 13:00:22 -05:00
Stephen Boyd
b91217d912
Merge branches 'clk-microchip', 'clk-lookup' and 'clk-st' into clk-next
- Speed up clk_core_lookup() by using a hashtable

* clk-microchip:
  ARM: at91: remove default values for PMC_PLL_ACR
  clk: at91: add ACR in all PLL settings
  clk: at91: sam9x7: Add peripheral clock id for pmecc
  clk: at91: clk-master: Add check for divide by 3
  clk: at91: clk-sam9x60-pll: force write to PLL_UPDT register
  ARM: at91: pm: save and restore ACR during PLL disable/enable

* clk-lookup:
  clk: Use hashtable for global clk lookups
  clk: Sort include statements

* clk-st:
  dt-bindings: stm32: cosmetic fixes for STM32MP25 clock and reset bindings
  clk: stm32: introduce clocks for STM32MP21 platform
  dt-bindings: stm32: add STM32MP21 clocks and reset bindings
2025-10-06 13:00:12 -05:00
Stephen Boyd
f0fd248204
Merge branches 'clk-scmi', 'clk-qcom' and 'clk-broadcom' into clk-next
* clk-scmi:
  clk: scmi: Add duty cycle ops only when duty cycle is supported

* clk-qcom: (27 commits)
  clk: qcom: gcc-sc8280xp: drop obsolete PCIe GDSC comment
  clk: qcom: tcsrcc-x1e80100: Set the bi_tcxo as parent to eDP refclk
  clk: qcom: dispcc-glymur: Constify 'struct qcom_cc_desc'
  clk: qcom: gcc: Add support for Global Clock controller found on MSM8937
  dt-bindings: clock: qcom: Add MSM8937 Global Clock Controller
  clk: qcom: Select the intended config in QCS_DISPCC_615
  clk: qcom: common: Fix NULL vs IS_ERR() check in qcom_cc_icc_register()
  clk: qcom: alpha-pll: convert from round_rate() to determine_rate()
  clk: qcom: milos: Constify 'struct qcom_cc_desc'
  clk: qcom: gcc: Add support for Global Clock Controller
  dt-bindings: clock: qcom: document the Glymur Global Clock Controller
  clk: qcom: clk-alpha-pll: Add support for Taycan EKO_T PLL
  clk: qcom: rpmh: Add support for Glymur rpmh clocks
  clk: qcom: Add TCSR clock driver for Glymur SoC
  dt-bindings: clock: qcom: Document the Glymur SoC TCSR Clock Controller
  dt-bindings: clock: qcom-rpmhcc: Add support for Glymur SoCs
  clk: qcom: dispcc-glymur: Add support for Display Clock Controller
  dt-bindings: clock: Add DISPCC and reset controller for GLYMUR SoC
  clk: qcom: gcc-sdm660: Add missing LPASS/CDSP vote clocks
  dt-bindings: clock: gcc-sdm660: Add LPASS/CDSP vote clocks/GDSCs
  ...

* clk-broadcom:
  clk: bcm: rpi: Maximize V3D clock
  clk: bcm: rpi: Turn firmware clock on/off when preparing/unpreparing
  clk: bcm: rpi: Add missing logs if firmware fails
2025-10-06 12:57:03 -05:00
Stephen Boyd
c1e102f349
Merge branches 'clk-imx', 'clk-allwinner' and 'clk-ti' into clk-next
* clk-imx:
  clk: imx95-blk-ctl: Save/restore registers when RPM routines are called
  clk: imx95-blk-ctl: Save platform data in imx95_blk_ctl structure

* clk-allwinner:
  clk: sunxi-ng: add support for the A523/T527 MCU CCU
  clk: sunxi-ng: div: support power-of-two dividers
  clk: sunxi-ng: sun55i-a523-ccu: Add missing NPU module clock
  dt-bindings: clock: sun55i-a523-ccu: Add A523 MCU CCU clock controller
  dt-bindings: clock: sun55i-a523-ccu: Add missing NPU module clock
  clk: sunxi-ng: sun6i-rtc: Add A523 specifics

* clk-ti:
  clk: keystone: sci-clk: use devm_kmemdup_array()
  clk: ti: am33xx: keep WKUP_DEBUGSS_CLKCTRL enabled
2025-10-06 12:56:54 -05:00