From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 548863947B5; Mon, 7 Sep 2026 21:21:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788816065; cv=none; b=QQ0f1pwYfu+oKl6EY7E0LSXRex2ESC8sT/7+qhVmRBnSTb0yD8BNELxhzK04Xdu6npA8H82A7/76ugsC9FbSpOIRXemUGfxuU0ni5tkgWIthBO9hOYTJMii5+DtzJZthJKZTV3L4Mr6Pb3FY2+skQ6Z7ta7vzO4Ep/0Sb1qkEPY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788816065; c=relaxed/simple; bh=V9yGKxsKBkzGlAC/hxr45uH1WKzdDVp5+NrxU6z4lgk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LuwajmAGruoS9eCjJyHiLO3NpMlqtqsJ4ZC4fKhdhzEbZGQErJuDrYT3ZKfEYPiP8pW0eLFug0LGiptJLZE7+U3LVLfMuVJT2CJxlg8o66IEkBwWszMWoSKr38cncwxwzXgim9I6hYRC07/+L2v1zgV6ER1/j+guUHb2QdyBtBE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OUQkhQ1k; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OUQkhQ1k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 983371F00A3A; Mon, 7 Sep 2026 21:21:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788816063; bh=zZDIy90AzlSJ3HlZ3+CMlS3Mw3yleXCGFSv0h6VAF+o=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=OUQkhQ1kaTnohHzsTD/U1pPnsHjT6rvQ3f/w6+onI/QqztgFCl862h/l1jvdiRwGO HIwWitHkFqgczyVPMD14Z+QtwsTHkhMqqUbxZTmikC1VuKKNoy3nLeJiy+uXwLQwAa 3DyDfdWZJ9XyTZcRuPQWBYlVsHaY4C1EaxMfbiU/HCmWOu/ESFkhPpzuO5oj4jRwBa igDRSTQq9ByM7IJeQb/Z6uV/dua/ndO2LtrY3DLY6qLqPKTWA3IWuaxix+chZH6P/j 2xfJyD0IgfjTwSV8NwnwlgyvrVcA5eYt6cDfWsmzbOKNh51XjwM91R7pkpZu9pwQXM er8pZGGr3aTXg== From: SJ Park To: Ye Liu Cc: SJ Park , Oleg Nesterov , "Peter Zijlstra (Intel)" , Marco Elver , Ye Liu , Tejun Heo , Christian Brauner , Bart Van Assche , Yi Tao , paulmck@kernel.org, mingo@redhat.com, rostedt@goodmis.org, jpoimboe@kernel.org, mic@digikod.net, tglx@kernel.org, akpm@linux-foundation.org, david@kernel.org, linmiaohe@huawei.com, nao.horiguchi@gmail.com, rafael@kernel.org, gnoack3000@gmail.com, ljs@kernel.org, rientjes@google.com, shakeel.butt@linux.dev, xu.xin16@zte.com.cn, chengming.zhou@linux.dev, will@kernel.org, boqun@kernel.org, frederic@kernel.org, neeraj.upadhyay@kernel.org, joelagnelf@nvidia.com, josh@joshtriplett.org, urezki@gmail.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, tony.luck@intel.com, reinette.chatre@intel.com, x86@kernel.org, paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com, pavel@kernel.org, lance.yang@linux.dev, mhiramat@kernel.org, pmladek@suse.com, longman@redhat.com, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, qiang.zhang@linux.dev, dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, kprateek.nayak@amd.com, mark.rutland@arm.com, Dave.Martin@arm.com, james.morse@arm.com, babu.moger@amd.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, rcu@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-security-module@vger.kernel.org Subject: Re: [PATCH v2 1/8] sched: introduce for_each_process_rculock and for_each_thread_rculock Date: Mon, 7 Sep 2026 14:20:53 -0700 Message-ID: <20260907212054.88063-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260907081334.1152889-2-ye.liu@linux.dev> References: Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Mon, 7 Sep 2026 16:13:27 +0800 Ye Liu wrote: > From: Ye Liu > > Introduce for_each_process_rculock(), for_each_thread_rculock() and > for_each_process_thread_rculock() macros that acquire the RCU read > lock before the iteration starts and release it when the loop is left, > so that the RCU read-side critical section is scoped to the loop body > instead of an externally managed rcu_read_lock()/rcu_read_unlock() > pair. Looks good to me. > > Signed-off-by: Ye Liu > Acked-by: Michal Hocko Assuming Lorenzo's indentation change requests are accepted, Reviewed-by: SJ Park Thanks, SJ [...]