linux-kernel - [PATCH 2/4] sched/isolation: clean up housekeeping

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: <20250410092423.9831-2-alexs@kernel.org>
Date: Thu, 10 Apr 2025 17:24:17 +0800
From: alexs@...nel.org
To: 
Cc: linux-kernel@...r.kernel.org,
	Alex Shi <alexs@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Waiman Long <longman@...hat.com>,
	Frederic Weisbecker <frederic@...nel.org>
Subject: [PATCH 2/4] sched/isolation: clean up housekeeping_cpu

From: Alex Shi <alexs@...nel.org>

housekeeping_test_cpu will check 'housekeeping_overridden' again in
itself so we don't need do it again outside. just call
housekeeping_test_cpu is fine.

Signed-off-by: Alex Shi <alexs@...nel.org>
Cc: Peter Zijlstra  <peterz@...radead.org>
Cc: Waiman Long <longman@...hat.com>
Cc: Frederic Weisbecker <frederic@...nel.org>
---
 include/linux/sched/isolation.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/include/linux/sched/isolation.h b/include/linux/sched/isolation.h
index d8501f4709b5..231bc5766f76 100644
--- a/include/linux/sched/isolation.h
+++ b/include/linux/sched/isolation.h
@@ -63,11 +63,7 @@ static inline void housekeeping_init(void) { }
 
 static inline bool housekeeping_cpu(int cpu, enum hk_type type)
 {
-#ifdef CONFIG_CPU_ISOLATION
-	if (static_branch_unlikely(&housekeeping_overridden))
-		return housekeeping_test_cpu(cpu, type);
-#endif
-	return true;
+	return housekeeping_test_cpu(cpu, type);
 }
 
 static inline bool cpu_is_isolated(int cpu)
-- 
2.47.1