linux-kernel - [tip: perf/core] perf/x86/intel: Check the X86 leader for ACR group

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <174601433029.22196.7457046331996087982.tip-bot2@tip-bot2>
Date: Wed, 30 Apr 2025 11:58:50 -0000
From: "tip-bot2 for Kan Liang" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Kan Liang <kan.liang@...ux.intel.com>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: perf/core] perf/x86/intel: Check the X86 leader for ACR group

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     efd448540e6243dbdaf0a7e1bcf49734e73f3c93
Gitweb:        https://git.kernel.org/tip/efd448540e6243dbdaf0a7e1bcf49734e73f3c93
Author:        Kan Liang <kan.liang@...ux.intel.com>
AuthorDate:    Thu, 24 Apr 2025 06:47:16 -07:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Fri, 25 Apr 2025 14:55:22 +02:00

perf/x86/intel: Check the X86 leader for ACR group

The auto counter reload group also requires a group flag in the leader.
The leader must be a X86 event.

Signed-off-by: Kan Liang <kan.liang@...ux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: https://lkml.kernel.org/r/20250424134718.311934-4-kan.liang@linux.intel.com
---
 arch/x86/events/perf_event.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 9c5cab8..e8bce89 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -129,7 +129,7 @@ static inline bool is_pebs_counter_event_group(struct perf_event *event)
 
 static inline bool is_acr_event_group(struct perf_event *event)
 {
-	return event->group_leader->hw.flags & PERF_X86_EVENT_ACR;
+	return check_leader_group(event->group_leader, PERF_X86_EVENT_ACR);
 }
 
 struct amd_nb {