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 502AC13FEE; Sat, 19 Jul 2025 00:28:19 +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=1752884899; cv=none; b=G2KXXsuELqzfhZIRJe9bKOuUtGFfUrWCavwU8okEAEiv0A+pghBsWuae0Yju1NUUHlMxzWheKMXY2y6zmBCjDiB6ngjXhZGDHqQ2oBOWLggEC9pUtmVklySjh93AyQOE4LPakl1NT4VFkoAEThAcQj8TH5LOYIn9ISzwcg83Btw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752884899; c=relaxed/simple; bh=BlaBOIkXVR5xoqsab95nUX5wZC2ogd2y9wiA1pKiHvc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=TLMpA363cc5ARJmiXBNs4DPHgTmyHQNamA0BkXXLNbvNmMU0gQMyc8cbEepBuLDYOU8ND5uXa/dwaWH3TteM3BaX3yXNwwlBEUjPcaxrYa7gmHIIfT2HzJdV1X+QtSyBTUbQOkJsqxo4tu3aNj+q7iqQAuGCXi0fSQ96HG90h9g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=q3yVfyRS; 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="q3yVfyRS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2D9EC4CEF7; Sat, 19 Jul 2025 00:28:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752884898; bh=BlaBOIkXVR5xoqsab95nUX5wZC2ogd2y9wiA1pKiHvc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=q3yVfyRS2ue4vgmK53aJk0P6HiMmYuA7qjTqg0ZPbFFD1mPJY7/1KLCntptvFbbH4 SW/olTypliXUoj+FLaRkEpCV8g6hVn52+ncXpYUV+w0Z/NOVXc4cTpH3uisvu95nSC Ie2S4WqQYtwDok5oGOdrRCxjd1iATjNcguPPyt2/tW2c375ajKEdimX1J6qo8Uyo+r sAkoOfzKr/Lh3+8fpJlf001DJqJBP/DYCIIdTCo90j5uH6+HhNKAo+fOBpjyN/bdZ5 igeXRnePlvwSH5yr4NnNPahUUEJqZXc8/LcPBwoojMh4RF5aWGoXwp8/dXQNS2b2MF NPklXUqs0v1Fw== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 80477CE0DEB; Fri, 18 Jul 2025 17:28:18 -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 v2 3/4] srcu: Add guards for notrace variants of SRCU-fast readers Date: Fri, 18 Jul 2025 17:28:16 -0700 Message-Id: <20250719002817.4121867-3-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <3cecf6c9-b2ee-4f34-9d1b-ca4cfb8e56a7@paulmck-laptop> References: <3cecf6c9-b2ee-4f34-9d1b-ca4cfb8e56a7@paulmck-laptop> 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 7a692bf8f99b9..ada65b58bc4c5 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -515,4 +515,9 @@ DEFINE_LOCK_GUARD_1(srcu_fast, struct srcu_struct, srcu_read_unlock_fast(_T->lock, _T->scp), struct srcu_ctr __percpu *scp) +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