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From: Dapeng Mi <dapeng1.mi@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Andi Kleen <ak@linux.intel.com>,
	Eranian Stephane <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	Dapeng Mi <dapeng1.mi@intel.com>, Zide Chen <zide.chen@intel.com>,
	Falcon Thomas <thomas.falcon@intel.com>,
	Xudong Hao <xudong.hao@intel.com>,
	Dapeng Mi <dapeng1.mi@linux.intel.com>
Subject: [PATCH 0/8] perf/x86: Miscellaneous PMU bug fixes
Date: Fri,  5 Jun 2026 09:11:28 +0800	[thread overview]
Message-ID: <20260605011136.2043393-1-dapeng1.mi@linux.intel.com> (raw)

This series groups several independent PMU fixes to simplify review and
backporting.

Patch layout:
- Patch 1/8: Fix anythread_deprecated being overwritten issue. 
- Patches 2-3/8: Fix the issue that cap_user_rdpmc is not updated
  correctly.
- Patches 4-5/8: Fix a kernel address leakage issue in LBR stack.
- Patch 6/8: Fix the issue that the return value of
  intel_pmu_init_hybrid() is not valiated correctly.
- Patch 7/8: Fix a "unchecked MSR access error" on PEBS_ENABLE MSR.
- Patch 8/8: Prevent a theoretical kernel register data leak in sampling.


Dapeng Mi (7):
  perf/x86/intel: Remove anythread_deprecated bit from perf_capabilities
  perf/x86: Update cap_user_rdpmc base on rdpmc user disable state
  perf/x86/intel: Fix redundant branch type check in
    intel_pmu_lbr_filter()
  perf/x86/intel: Fix kernel address leakages in LBR stack
  perf/x86/intel: Validate return value of intel_pmu_init_hybrid()
  perf/x86/intel: Drop fixed-counter PEBS constraints for baseline PEBS
  perf/core: Fix kernel register info leak via hardware skid

Ian Rogers (1):
  perf/x86: Introduce is_x86_pmu() helper

 arch/x86/events/core.c       | 19 +++-------------
 arch/x86/events/intel/core.c | 43 ++++++++++++++++++++++++------------
 arch/x86/events/intel/ds.c   | 13 -----------
 arch/x86/events/intel/lbr.c  | 13 ++++++++---
 arch/x86/events/perf_event.h | 25 +++++++++++++++++----
 kernel/events/core.c         | 20 +++++++++++++----
 6 files changed, 79 insertions(+), 54 deletions(-)


base-commit: 66cc29745f2f5815482587bb9fbc1e8a3e6fcf00
-- 
2.34.1


             reply	other threads:[~2026-06-05  1:16 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-05  1:11 Dapeng Mi [this message]
2026-06-05  1:11 ` [PATCH 1/8] perf/x86/intel: Remove anythread_deprecated bit from perf_capabilities Dapeng Mi
2026-06-05 17:04   ` Falcon, Thomas
2026-06-08  1:37     ` Mi, Dapeng
2026-06-05  1:11 ` [PATCH 2/8] perf/x86: Introduce is_x86_pmu() helper Dapeng Mi
2026-06-05 17:08   ` Falcon, Thomas
2026-06-05  1:11 ` [PATCH 3/8] perf/x86: Update cap_user_rdpmc base on rdpmc user disable state Dapeng Mi
2026-06-05 17:15   ` Falcon, Thomas
2026-06-05  1:11 ` [PATCH 4/8] perf/x86/intel: Fix redundant branch type check in intel_pmu_lbr_filter() Dapeng Mi
2026-06-05 18:28   ` Falcon, Thomas
2026-06-08  1:56     ` Mi, Dapeng
2026-06-08  6:15       ` Mi, Dapeng
2026-06-05  1:11 ` [PATCH 5/8] perf/x86/intel: Fix kernel address leakages in LBR stack Dapeng Mi
2026-06-05  1:33   ` sashiko-bot
2026-06-05  3:20     ` Mi, Dapeng
2026-06-05  1:11 ` [PATCH 6/8] perf/x86/intel: Validate return value of intel_pmu_init_hybrid() Dapeng Mi
2026-06-05  1:36   ` sashiko-bot
2026-06-05  3:29     ` Mi, Dapeng
2026-06-05 16:17   ` Chen, Zide
2026-06-08  2:48     ` Mi, Dapeng
2026-06-05 18:47   ` Falcon, Thomas
2026-06-05  1:11 ` [PATCH 7/8] perf/x86/intel: Drop fixed-counter PEBS constraints for baseline PEBS Dapeng Mi
2026-06-05 20:32   ` Chen, Zide
2026-06-08  2:46     ` Mi, Dapeng
2026-06-08 15:46       ` Chen, Zide
2026-06-09  0:36         ` Mi, Dapeng
2026-06-05  1:11 ` [PATCH 8/8] perf/core: Fix kernel register info leak via hardware skid Dapeng Mi
2026-06-05  1:38   ` sashiko-bot
2026-06-05  3:42     ` Mi, Dapeng
2026-06-05 19:08   ` Falcon, Thomas
2026-06-08  2:47     ` Mi, Dapeng

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