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 5BC7038A707; Fri, 10 Apr 2026 06:30:51 +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=1775802651; cv=none; b=bDP7BtH3UwMAjG+aY+jd/EnN+K/AGWlPAR1si0wleVxcg+dB9b6V49VftjPtCrv8hxgb0quOd7EycBXpKE6/pI6BCW10sSmZOf80lf3ixAbgps9vtGWh1gMaGiTV38u09BHCWMsA9iKDlDaCWFdEXmkag1HqP6yYAm1cypdxy8M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775802651; c=relaxed/simple; bh=C49naKqyOgKD2u74pAoCPGdZT0vY7iMqhpveLqsiqOs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qAOe+aE7ZVkZyPTuSCqe0+DNNbOUx2/7b/RFG5h+oyk1gumN+a6R96fTgqTdlY01hTqTiQFhoipNHOiGigTC7v/bUN4fTA9mcnaJ28PRTW8eLW1nbqEsq7FIS7oM960GFHxCJKSjBydw0KtWqOoRIh0yiyRmWkK79AegWyLQQm8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bwFCNMZj; 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="bwFCNMZj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03E78C19421; Fri, 10 Apr 2026 06:30:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775802651; bh=C49naKqyOgKD2u74pAoCPGdZT0vY7iMqhpveLqsiqOs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bwFCNMZj6I2qdCWI+8ly58UnylhNUOIVBQnfAK1GQ758lq3sxF7YCEWRyjoXglq01 hCh3ykoxLO6E2D6lLUJzGn8Z8Y4Z2PveNmY72J4+TAoFdBzC3OO5M/jIwS7jozqRha UIJ3ihYmTpaxpeRHUyvVBlxwayh/8wOiVY+na1vBYlTGNLFp31OEz9TBj0qKMSrvH0 f1GxhwhGC8VFuVnWDDdAR9oxtZCWDOn349GgtTxfkWmqDYGNYAtKHrEmsOAE4a5Qd5 Qjd+bORqE/Ls5lDzZ3q8R2I0CgdtNX34uvoFHF39qYKqv4M1BFhn5S34honLWrTAmm ch+aKKo5wN4Jg== From: Tejun Heo To: sched-ext@lists.linux.dev, David Vernet , Andrea Righi , Changwoo Min Cc: Cheng-Yang Chou , Juntong Deng , Ching-Chun Huang , Chia-Ping Tsai , Emil Tsalapatis , linux-kernel@vger.kernel.org, Tejun Heo Subject: [PATCH 03/10] sched_ext: Track @p's rq lock across set_cpus_allowed_scx -> ops.set_cpumask Date: Thu, 9 Apr 2026 20:30:39 -1000 Message-ID: <20260410063046.3556100-4-tj@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260410063046.3556100-1-tj@kernel.org> References: <20260410063046.3556100-1-tj@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 The SCX_CALL_OP_TASK call site passes rq=NULL incorrectly, leaving scx_locked_rq() unset. Pass task_rq(p) instead so update_locked_rq() reflects reality. Signed-off-by: Tejun Heo --- kernel/sched/ext.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index cf441fb4b1ad..6ca0085903e0 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -3360,7 +3360,7 @@ static void set_cpus_allowed_scx(struct task_struct *p, * designation pointless. Cast it away when calling the operation. */ if (SCX_HAS_OP(sch, set_cpumask)) - SCX_CALL_OP_TASK(sch, SCX_KF_REST, set_cpumask, NULL, + SCX_CALL_OP_TASK(sch, SCX_KF_REST, set_cpumask, task_rq(p), p, (struct cpumask *)p->cpus_ptr); } -- 2.53.0