From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 82904272E5D for ; Wed, 28 May 2025 08:11:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748419912; cv=none; b=qv8plivZZyqeB7R+qLSQDsmB/7YdKbHiuH3ZG8f3Cd3J92FbAc08077ClcAHM93rUnKkA4jDH/NAumQM4+CEWqMZylys5tfSOnKIl47t+RU2w7MxLUWNe/muhDD3+EcDh88lXlI035vfBx6y465bRstHVslmLwWLkMKMbSEwZZw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748419912; c=relaxed/simple; bh=ogTWmMEsymIxICRnXFYXfrvFLT7gHSyLw0APjFo2rec=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lV5sonzSuPMuMJ+mY0alJ/ljQSF/Qs+r2YJGysTYWqaiRM6ZdRQPm10xH5Rf3r+bFszdyv5ImW4B708/aMcOeTwkhl8AoCbc+/kIMMz8vmoInCQRMNmIke2FtEgIsFpoKdflotffSSRTGoz1nnci+KcpmmuPLbeCXymGP+IZKYQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WgLipuX3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WgLipuX3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3FBBC4CEEB; Wed, 28 May 2025 08:11:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1748419911; bh=ogTWmMEsymIxICRnXFYXfrvFLT7gHSyLw0APjFo2rec=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WgLipuX3ICPcvodtpS4mxNu9XzZOz9mXa9srdyNtgk9im7iOqRLT5At6+RPo7gwkj bLmGsuPsxVL1U7HzTYEp4whussFVO01GVeHIwZEdhNeTCkVwRF33vLkp/9OLCe+kFp jJ/Frt2ws3Ul6dIm+R8iXUuL41m0fAHCclrrx0J4JBH+CUSiILjgtpsGLa+kxfbWWW Q5Ubcthy1lCDft6rbtmjjCUwqBlATYK7v4cl+sr+HNuWWqiVrLEwEC0bpqCg4GWaN+ 64n6212sYQE/hv5QmjBxIsYp+aw0l/bNLWp0sgkOb9RpU9kV1LQ+41hgFMHGuBnxnD I+dD64lcUQL2w== From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: Dietmar Eggemann , Linus Torvalds , Peter Zijlstra , Shrikanth Hegde , Thomas Gleixner , Valentin Schneider , Steven Rostedt , Mel Gorman , Vincent Guittot , Sebastian Andrzej Siewior , Ingo Molnar , Juri Lelli Subject: [PATCH 35/43] sched/smp: Use the SMP version of the stop-CPU scheduling class Date: Wed, 28 May 2025 10:09:16 +0200 Message-ID: <20250528080924.2273858-36-mingo@kernel.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250528080924.2273858-1-mingo@kernel.org> References: <20250528080924.2273858-1-mingo@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Simplify the scheduler by making formerly SMP-only primitives and data structures unconditional. Signed-off-by: Ingo Molnar Cc: Dietmar Eggemann Cc: Juri Lelli Cc: Linus Torvalds Cc: Mel Gorman Cc: Peter Zijlstra Cc: Shrikanth Hegde Cc: Steven Rostedt Cc: Valentin Schneider Cc: Vincent Guittot --- kernel/sched/stop_task.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/kernel/sched/stop_task.c b/kernel/sched/stop_task.c index 058dd42e3d9b..7314c8be6e30 100644 --- a/kernel/sched/stop_task.c +++ b/kernel/sched/stop_task.c @@ -8,7 +8,6 @@ * See kernel/stop_machine.c */ -#ifdef CONFIG_SMP static int select_task_rq_stop(struct task_struct *p, int cpu, int flags) { @@ -20,7 +19,6 @@ balance_stop(struct rq *rq, struct task_struct *prev, struct rq_flags *rf) { return sched_stop_runnable(rq); } -#endif /* CONFIG_SMP */ static void wakeup_preempt_stop(struct rq *rq, struct task_struct *p, int flags) @@ -106,11 +104,9 @@ DEFINE_SCHED_CLASS(stop) = { .put_prev_task = put_prev_task_stop, .set_next_task = set_next_task_stop, -#ifdef CONFIG_SMP .balance = balance_stop, .select_task_rq = select_task_rq_stop, .set_cpus_allowed = set_cpus_allowed_common, -#endif .task_tick = task_tick_stop, -- 2.45.2