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 0DAD32EE96C; Wed, 16 Jul 2025 22:54:24 +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=1752706464; cv=none; b=DtADZnOhcKXvfX5WJqL3/LYrfqGeKvB5nzh6Bgfe8/gUq9T6rsOHXwr04mMUizP65pez4/7fxxVeyClvaQzt6/TjOLHBsWV4EClvlCCj+NLBTp8523xuHmnQJLtefCnNQNrCPh5DqsHEor7OV+OvS+mXLOJvZ4+ZNB6gIpHrxZ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752706464; c=relaxed/simple; bh=ppgYGC4q1Oa9AV1D2Y1RK6jAxATmf7IU21OLLN0T0Uo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=UfQhy8lH3zvXzTaZlnNu1K4QC/S6Urr88EuGLrw+vBO2H0Fs/9rwrFoD/5hrR0YLqLIrRj+5FLlNax7EvDhDzZ54kNu28s1sk+VK3hQzO2/prwLq0iI9KSczTmArtpVtJO9U+3y4NbWv5w4nIOXrIph1yrFdyoxIDnUl2285YrU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Cw1/aPFi; 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="Cw1/aPFi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D945BC4CEEB; Wed, 16 Jul 2025 22:54:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752706463; bh=ppgYGC4q1Oa9AV1D2Y1RK6jAxATmf7IU21OLLN0T0Uo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cw1/aPFiepasYdCgIum3stNCEEorjYzcONWLQRoU6qeuXy8BLifeKfOuUoFS5msRW umoTSZKNL+pb8YM/w5mvTcPqxosidzEbVY0wYPitgn9/Vs6yJkyvP2osNi7vH3E85w BncO7l86wV1yqNcEa129i3X5paYb8towcR8UU5AMZN2A307uLcCEeGCk2O6AKGf3/1 znSv8gYbLbvbcU+qY7ol7C9y5a3X4XRgHQNQxA7te72MIW+QWEgrBYA9zVsvmKqiO2 XcUFPPrs5FQ4itmT1+6dnHrVlkfwh/MaU0osdmqT7ZoeZh/alRSmr6ddWBhwTQDLgq SKex+NpsOMLWA== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 7D50ECE0AAF; Wed, 16 Jul 2025 15:54:23 -0700 (PDT) From: "Paul E. McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org, "Paul E. McKenney" , Mathieu Desnoyers , Sebastian Andrzej Siewior Subject: [PATCH RFC 3/4] srcu: Add guards for notrace variants of SRCU-fast readers Date: Wed, 16 Jul 2025 15:54:17 -0700 Message-Id: <20250716225418.3014815-3-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This adds the usual scoped_guard(srcu_fast_notrace, &my_srcu) and guard(srcu_fast_notrace)(&my_srcu). Signed-off-by: Paul E. McKenney Cc: Mathieu Desnoyers Cc: Steven Rostedt Cc: Sebastian Andrzej Siewior --- include/linux/srcu.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/srcu.h b/include/linux/srcu.h index ef65ffe152fbd..0aa2376cca0b1 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -510,4 +510,9 @@ DEFINE_LOCK_GUARD_1(srcu, struct srcu_struct, srcu_read_unlock(_T->lock, _T->idx), int idx) +DEFINE_LOCK_GUARD_1(srcu_fast_notrace, struct srcu_struct, + _T->scp = srcu_read_lock_fast_notrace(_T->lock), + srcu_read_unlock_fast_notrace(_T->lock, _T->scp), + struct srcu_ctr __percpu *scp) + #endif -- 2.40.1