linux-kernel - [PATCH V2 0/5] Several fixes for group flag and counters-snapshotting

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250424134718.311934-1-kan.liang@linux.intel.com>
Date: Thu, 24 Apr 2025 06:47:13 -0700
From: kan.liang@...ux.intel.com
To: peterz@...radead.org,
	mingo@...hat.com,
	acme@...nel.org,
	namhyung@...nel.org,
	irogers@...gle.com,
	linux-kernel@...r.kernel.org
Cc: Kan Liang <kan.liang@...ux.intel.com>
Subject: [PATCH V2 0/5] Several fixes for group flag and counters-snapshotting

From: Kan Liang <kan.liang@...ux.intel.com>

The patch series includes several fixes for the new Intel features.

The first 4 patches are to fix the group flag issue which impacts the
branch counters, PEBS counters-snapshotting and ACR.
The V1 can be found at
https://lore.kernel.org/lkml/20250423221015.268949-1-kan.liang@linux.intel.com/

The last patch is to fix an issue of counters-snapshotting.
The V1 can be found at
https://lore.kernel.org/lkml/20250204210514.4089680-1-kan.liang@linux.intel.com/

Kan Liang (5):
  perf/x86/intel: Only check the group flag for X86 leader
  perf/x86/intel: Check the X86 leader for pebs_counter_event_group
  perf/x86/intel: Check the X86 leader for ACR group
  perf/x86: Optimize the is_x86_event
  perf/x86/intel/ds: Fix counter backwards of non-precise events
    counters-snapshotting

 arch/x86/events/core.c       | 19 ++++++++++---------
 arch/x86/events/intel/ds.c   | 21 +++++++++++++++++++--
 arch/x86/events/perf_event.h | 14 ++++++++++----
 3 files changed, 39 insertions(+), 15 deletions(-)

-- 
2.38.1