linux-toradex.git/tools/arch/x86, branch master Linux kernel for Apalis and Colibri modules tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources 2026-03-22T21:31:54+00:00 Arnaldo Carvalho de Melo acme@redhat.com 2026-03-18T18:48:54+00:00 0a8b2a0857ede906f7b74a435b11778336770bea To pick the changes in: e2ffe85b6d2bb778 ("KVM: x86: Introduce KVM_X86_QUIRK_VMCS12_ALLOW_FREEZE_IN_SMM") That just rebuilds kvm-stat.c on x86, no change in functionality. This silences these perf build warning: Warning: Kernel ABI header differences: diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h Please see tools/include/uapi/README for further details. Cc: Jim Mattson <jmattson@google.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 
To pick the changes in:

  e2ffe85b6d2bb778 ("KVM: x86: Introduce KVM_X86_QUIRK_VMCS12_ALLOW_FREEZE_IN_SMM")

That just rebuilds kvm-stat.c on x86, no change in functionality.

This silences these perf build warning:

  Warning: Kernel ABI header differences:
    diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h

Please see tools/include/uapi/README for further details.

Cc: Jim Mattson <jmattson@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools arch x86: Sync the msr-index.h copy with the kernel sources 2026-03-22T21:31:54+00:00 Arnaldo Carvalho de Melo acme@redhat.com 2026-03-18T18:42:16+00:00 4ddd7588fae6175e748cff22c79faafb4d455d42 To pick up the changes from these csets: 9073428bb204d921 ("x86/sev: Allow IBPB-on-Entry feature for SNP guests") That cause no changes to tooling as it doesn't include a new MSR to be captured by the tools/perf/trace/beauty/tracepoints/x86_msr.sh script. Just silences this perf build warning: Warning: Kernel ABI header differences: diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h Cc: Borislav Petkov (AMD) <bp@alien8.de> Cc: Kim Phillips <kim.phillips@amd.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 
To pick up the changes from these csets:

  9073428bb204d921 ("x86/sev: Allow IBPB-on-Entry feature for SNP guests")

That cause no changes to tooling as it doesn't include a new MSR to be
captured by the tools/perf/trace/beauty/tracepoints/x86_msr.sh script.

Just silences this perf build warning:

  Warning: Kernel ABI header differences:
    diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h

Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools headers UAPI: Update tools' copy of linux/coresight-pmu.h 2026-03-05T20:28:44+00:00 Arnaldo Carvalho de Melo acme@redhat.com 2026-03-05T20:28:44+00:00 0693907ffaca001036009bc82dc334fb8e11540f To get the comment changes in this commit: 171efc70097a9f5f ("x86/ibs: Fix typo in dc_l2tlb_miss comment") This silences this perf build warning: Warning: Kernel ABI header differences: diff -u tools/arch/x86/include/asm/amd/ibs.h arch/x86/include/asm/amd/ibs.h Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 
To get the comment changes in this commit:

  171efc70097a9f5f ("x86/ibs: Fix typo in dc_l2tlb_miss comment")

This silences this perf build warning:

  Warning: Kernel ABI header differences:
    diff -u tools/arch/x86/include/asm/amd/ibs.h arch/x86/include/asm/amd/ibs.h

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools arch x86: Sync msr-index.h to pick MSR_{OMR_[0-3],CORE_PERF_GLOBAL_STATUS_SET} 2026-03-05T19:51:09+00:00 Arnaldo Carvalho de Melo acme@redhat.com 2026-03-04T20:22:20+00:00 1e972ec76e10cf9cdacf1db2fbf69f7216903a86 To pick up the changes in: 4e955c08d6dc76fb ("perf/x86/intel: Support the 4 new OMR MSRs introduced in DMR and NVL") 736a2dcfdae72483 ("x86/CPU/AMD: Simplify the spectral chicken fix") 56bb2736975068cc ("KVM: x86/pmu: Load/put mediated PMU context when entering/exiting guest") Addressing this tools/perf build warning: Warning: Kernel ABI header differences: diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h That makes the beautification scripts to pick some new entries: $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > before.txt $ cp arch/x86/include/asm/msr-index.h tools/arch/x86/include/asm/msr-index.h $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > after.txt $ diff -u before.txt after.txt --- before.txt 2026-03-04 17:21:39.165956041 -0300 +++ after.txt 2026-03-04 17:21:52.479191640 -0300 @@ -130,6 +130,11 @@ [0x0000038e] = "CORE_PERF_GLOBAL_STATUS", [0x0000038f] = "CORE_PERF_GLOBAL_CTRL", [0x00000390] = "CORE_PERF_GLOBAL_OVF_CTRL", + [0x00000391] = "CORE_PERF_GLOBAL_STATUS_SET", + [0x000003e0] = "OMR_0", + [0x000003e1] = "OMR_1", + [0x000003e2] = "OMR_2", + [0x000003e3] = "OMR_3", [0x000003f1] = "IA32_PEBS_ENABLE", [0x000003f2] = "PEBS_DATA_CFG", [0x000003f4] = "IA32_PEBS_BASE", $ Now one can use those strings in 'perf trace' to do filtering, e.g.: # perf trace -e msr:*_msr/max-stack=32/ --filter="msr==CORE_PERF_GLOBAL_STATUS_SET" Cc: Borislav Petkov (AMD) <bp@alien8.de> Cc: Dapeng Mi <dapeng1.mi@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sean Christopherson <seanjc@google.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 
To pick up the changes in:

  4e955c08d6dc76fb ("perf/x86/intel: Support the 4 new OMR MSRs introduced in DMR and NVL")
  736a2dcfdae72483 ("x86/CPU/AMD: Simplify the spectral chicken fix")
  56bb2736975068cc ("KVM: x86/pmu: Load/put mediated PMU context when entering/exiting guest")

Addressing this tools/perf build warning:

  Warning: Kernel ABI header differences:
    diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h

That makes the beautification scripts to pick some new entries:

  $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > before.txt
  $ cp arch/x86/include/asm/msr-index.h tools/arch/x86/include/asm/msr-index.h
  $ tools/perf/trace/beauty/tracepoints/x86_msr.sh > after.txt
  $ diff -u before.txt after.txt
  --- before.txt	2026-03-04 17:21:39.165956041 -0300
  +++ after.txt	2026-03-04 17:21:52.479191640 -0300
  @@ -130,6 +130,11 @@
   	[0x0000038e] = "CORE_PERF_GLOBAL_STATUS",
   	[0x0000038f] = "CORE_PERF_GLOBAL_CTRL",
   	[0x00000390] = "CORE_PERF_GLOBAL_OVF_CTRL",
  +	[0x00000391] = "CORE_PERF_GLOBAL_STATUS_SET",
  +	[0x000003e0] = "OMR_0",
  +	[0x000003e1] = "OMR_1",
  +	[0x000003e2] = "OMR_2",
  +	[0x000003e3] = "OMR_3",
   	[0x000003f1] = "IA32_PEBS_ENABLE",
   	[0x000003f2] = "PEBS_DATA_CFG",
   	[0x000003f4] = "IA32_PEBS_BASE",
  $

Now one can use those strings in 'perf trace' to do filtering, e.g.:

  # perf trace -e msr:*_msr/max-stack=32/ --filter="msr==CORE_PERF_GLOBAL_STATUS_SET"

Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Dapeng Mi <dapeng1.mi@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sean Christopherson <seanjc@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources 2026-03-04T15:54:08+00:00 Arnaldo Carvalho de Melo acme@redhat.com 2026-03-04T15:54:08+00:00 1b3f004bac8e2c9e340ac237bd5b36b686ae63e8 To pick the changes in: 6517dfbcc918f970 ("KVM: x86: Add x2APIC "features" to control EOI broadcast suppression") 20c3c4108d58f87c ("KVM: SEV: Add KVM_SEV_SNP_ENABLE_REQ_CERTS command") This silences these perf build warning: Warning: Kernel ABI header differences: diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h Please see tools/include/uapi/README for further details. Cc: Sean Christopherson <seanjc@google.com> Cc: Khushit Shah <khushit.shah@nutanix.com> Cc: Michael Roth <michael.roth@amd.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 
To pick the changes in:

  6517dfbcc918f970 ("KVM: x86: Add x2APIC "features" to control EOI broadcast suppression")
  20c3c4108d58f87c ("KVM: SEV: Add KVM_SEV_SNP_ENABLE_REQ_CERTS command")

This silences these perf build warning:

  Warning: Kernel ABI header differences:
    diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h

Please see tools/include/uapi/README for further details.

Cc: Sean Christopherson <seanjc@google.com>
Cc: Khushit Shah <khushit.shah@nutanix.com>
Cc: Michael Roth <michael.roth@amd.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools headers x86 cpufeatures: Sync with the kernel sources 2026-03-04T15:50:31+00:00 Arnaldo Carvalho de Melo acme@redhat.com 2026-03-04T15:47:03+00:00 4ebe2b8cda7e91a30c1cf1d297605682540d4ad9 To pick the changes from: f24ef0093dd8cf60 ("KVM: x86: Advertise MOVRS CPUID to userspace") f49ecf5e110ab0ed ("x86/cpufeature: Replace X86_FEATURE_SYSENTER32 with X86_FEATURE_SYSFAST32") db5e82496492b489 ("KVM: SVM: Virtualize and advertise support for ERAPS") This causes these perf files to be rebuilt and brings some X86_FEATURE that may be used by: CC /tmp/build/perf/bench/mem-memcpy-x86-64-asm.o CC /tmp/build/perf/bench/mem-memset-x86-64-asm.o And addresses this perf build warning: Warning: Kernel ABI header differences: diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h Please see tools/include/uapi/README for further details. Cc: Amit Shah <amit.shah@amd.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> 
To pick the changes from:

  f24ef0093dd8cf60 ("KVM: x86: Advertise MOVRS CPUID to userspace")
  f49ecf5e110ab0ed ("x86/cpufeature: Replace X86_FEATURE_SYSENTER32 with X86_FEATURE_SYSFAST32")
  db5e82496492b489 ("KVM: SVM: Virtualize and advertise support for ERAPS")

This causes these perf files to be rebuilt and brings some X86_FEATURE
that may be used by:

      CC       /tmp/build/perf/bench/mem-memcpy-x86-64-asm.o
      CC       /tmp/build/perf/bench/mem-memset-x86-64-asm.o

And addresses this perf build warning:

  Warning: Kernel ABI header differences:
    diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h

Please see tools/include/uapi/README for further details.

Cc: Amit Shah <amit.shah@amd.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Merge tag 'v6.19-rc6' into tip-x86-cleanups 2026-01-19T11:03:56+00:00 Borislav Petkov (AMD) bp@alien8.de 2026-01-19T11:03:56+00:00 b81db376444244671a86b66e974d705327e433de Pick up upstream work and d9b40d7262a2 ("selftests/x86: Add selftests include path for kselftest.h after centralization") especially which is a build fix needed for a selftests cleanup coming ontop of this. Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> 
Pick up upstream work and

  d9b40d7262a2 ("selftests/x86: Add selftests include path for kselftest.h after centralization")

especially which is a build fix needed for a selftests cleanup coming
ontop of this.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
x86/CPU/AMD: Simplify the spectral chicken fix 2026-01-09T10:36:52+00:00 Borislav Petkov (AMD) bp@alien8.de 2025-12-30T11:07:31+00:00 736a2dcfdae72483a36793bc92182f33bd61d30e msr_set_bit() takes a bit number to set but MSR_ZEN2_SPECTRAL_CHICKEN_BIT is a bit mask. The usual pattern that code uses is a _BIT-named type macro instead of a mask. So convert it to a bit number to reflect that. Also, msr_set_bit() already does the reading and checking whether the bit needs to be set so use that instead of a local variable. Fixup tabbing while at it. No functional changes. Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Nikolay Borisov <nik.borisov@suse.com> Link: https://patch.msgid.link/20251230110731.28108-1-bp@kernel.org 
msr_set_bit() takes a bit number to set but MSR_ZEN2_SPECTRAL_CHICKEN_BIT
is a bit mask. The usual pattern that code uses is a _BIT-named type
macro instead of a mask.

So convert it to a bit number to reflect that.

Also, msr_set_bit() already does the reading and checking whether the
bit needs to be set so use that instead of a local variable.

Fixup tabbing while at it.

No functional changes.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Link: https://patch.msgid.link/20251230110731.28108-1-bp@kernel.org
tools headers: Sync x86 headers with kernel sources 2025-12-24T19:43:04+00:00 Namhyung Kim namhyung@kernel.org 2025-12-22T22:57:12+00:00 369e91bd201d15a711f952ee9ac253a8b91628a3 To pick up changes from: 54de197c9a5e8f52 ("Merge tag 'x86_sgx_for_6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") 679fcce0028bf101 ("Merge tag 'kvm-x86-svm-6.19' of https://github.com/kvm-x86/linux into HEAD") 3767def18f4cc394 ("x86/cpufeatures: Add support for L3 Smart Data Cache Injection Allocation Enforcement") f6106d41ec84e552 ("x86/bugs: Use an x86 feature to track the MMIO Stale Data mitigation") 7baadd463e147fdc ("x86/cpufeatures: Enumerate the LASS feature bits") 47955b58cf9b97fe ("x86/cpufeatures: Correct LKGS feature flag description") 5d0316e25defee47 ("x86/cpufeatures: Add X86_FEATURE_X2AVIC_EXT") 6ffdb49101f02313 ("x86/cpufeatures: Add X86_FEATURE_SGX_EUPDATESVN feature flag") 4793f990ea152330 ("KVM: x86: Advertise EferLmsleUnsupported to userspace") bb5f13df3c455110 ("perf/x86/intel: Add counter group support for arch-PEBS") 52448a0a739002ec ("perf/x86/intel: Setup PEBS data configuration and enable legacy groups") d21954c8a0ffbc94 ("perf/x86/intel: Process arch-PEBS records or record fragments") bffeb2fd0b9c99d8 ("x86/microcode/intel: Enable staging when available") 740144bc6bde9d44 ("x86/microcode/intel: Establish staging control logic") This should address these tools/perf build warnings: Warning: Kernel ABI header differences: diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h Please see tools/include/uapi/README. Cc: x86@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org> 
To pick up changes from:

  54de197c9a5e8f52 ("Merge tag 'x86_sgx_for_6.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip")
  679fcce0028bf101 ("Merge tag 'kvm-x86-svm-6.19' of https://github.com/kvm-x86/linux into HEAD")
  3767def18f4cc394 ("x86/cpufeatures: Add support for L3 Smart Data Cache Injection Allocation Enforcement")
  f6106d41ec84e552 ("x86/bugs: Use an x86 feature to track the MMIO Stale Data mitigation")
  7baadd463e147fdc ("x86/cpufeatures: Enumerate the LASS feature bits")
  47955b58cf9b97fe ("x86/cpufeatures: Correct LKGS feature flag description")
  5d0316e25defee47 ("x86/cpufeatures: Add X86_FEATURE_X2AVIC_EXT")
  6ffdb49101f02313 ("x86/cpufeatures: Add X86_FEATURE_SGX_EUPDATESVN feature flag")
  4793f990ea152330 ("KVM: x86: Advertise EferLmsleUnsupported to userspace")
  bb5f13df3c455110 ("perf/x86/intel: Add counter group support for arch-PEBS")
  52448a0a739002ec ("perf/x86/intel: Setup PEBS data configuration and enable legacy groups")
  d21954c8a0ffbc94 ("perf/x86/intel: Process arch-PEBS records or record fragments")
  bffeb2fd0b9c99d8 ("x86/microcode/intel: Enable staging when available")
  740144bc6bde9d44 ("x86/microcode/intel: Establish staging control logic")

This should address these tools/perf build warnings:

  Warning: Kernel ABI header differences:
    diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h
    diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h

Please see tools/include/uapi/README.

Cc: x86@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
tools headers: Sync UAPI KVM headers with kernel sources 2025-12-24T19:42:13+00:00 Namhyung Kim namhyung@kernel.org 2025-12-22T22:57:07+00:00 34524cde88c9137ef134df25ded59520c2fb307a To pick up changes from: ad9c62bd8946621e ("KVM: arm64: VM exit to userspace to handle SEA") 8e8678e740ecde2a ("KVM: s390: Add capability that forwards operation exceptions") e0c26d47def7382d ("Merge tag 'kvm-s390-next-6.19-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD") 7a61d61396b97fd6 ("KVM: SEV: Publish supported SEV-SNP policy bits") This should be used to beautify DRM syscall arguments and it addresses these tools/perf build warnings: Warning: Kernel ABI header differences: diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h Please see tools/include/uapi/README. Cc: kvm@vger.kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org> 
To pick up changes from:

  ad9c62bd8946621e ("KVM: arm64: VM exit to userspace to handle SEA")
  8e8678e740ecde2a ("KVM: s390: Add capability that forwards operation exceptions")
  e0c26d47def7382d ("Merge tag 'kvm-s390-next-6.19-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD")
  7a61d61396b97fd6 ("KVM: SEV: Publish supported SEV-SNP policy bits")

This should be used to beautify DRM syscall arguments and it addresses
these tools/perf build warnings:

  Warning: Kernel ABI header differences:
    diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h
    diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h

Please see tools/include/uapi/README.

Cc: kvm@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>