Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'perf-urgent-2025-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf event fixes from Ingo Molnar:
"Miscellaneous fixes and CPU model updates:
- Fix an out-of-bounds access on non-hybrid platforms in the Intel
PMU DS code, reported by KASAN
- Add WildcatLake PMU and uncore support: it's identical to the
PantherLake version"
* tag 'perf-urgent-2025-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/uncore: Add uncore PMU support for Wildcat Lake
perf/x86/intel: Add PMU support for WildcatLake
perf/x86/intel: Fix KASAN global-out-of-bounds warning
+4
-1
+1
arch/x86/events/intel/core.c
+1
arch/x86/events/intel/core.c
+2
-1
arch/x86/events/intel/ds.c
+2
-1
arch/x86/events/intel/ds.c
···
317
317
{
318
318
u64 val;
319
319
320
-
WARN_ON_ONCE(hybrid_pmu(event->pmu)->pmu_type == hybrid_big);
320
+
WARN_ON_ONCE(is_hybrid() &&
321
+
hybrid_pmu(event->pmu)->pmu_type == hybrid_big);
321
322
322
323
dse &= PERF_PEBS_DATA_SOURCE_GRT_MASK;
323
324
val = hybrid_var(event->pmu, pebs_data_source)[dse];
+1
arch/x86/events/intel/uncore.c
+1
arch/x86/events/intel/uncore.c
···
1895
1895
X86_MATCH_VFM(INTEL_ARROWLAKE_H, &mtl_uncore_init),
1896
1896
X86_MATCH_VFM(INTEL_LUNARLAKE_M, &lnl_uncore_init),
1897
1897
X86_MATCH_VFM(INTEL_PANTHERLAKE_L, &ptl_uncore_init),
1898
+
X86_MATCH_VFM(INTEL_WILDCATLAKE_L, &ptl_uncore_init),
1898
1899
X86_MATCH_VFM(INTEL_SAPPHIRERAPIDS_X, &spr_uncore_init),
1899
1900
X86_MATCH_VFM(INTEL_EMERALDRAPIDS_X, &spr_uncore_init),
1900
1901
X86_MATCH_VFM(INTEL_GRANITERAPIDS_X, &gnr_uncore_init),