From nobody Sat Oct 4 14:10:48 2025 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 7E7CF944F; Sat, 16 Aug 2025 00:06:01 +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=1755302761; cv=none; b=maAlBPbO9jxZljx6eXzchogf2W29SZkKK0PhbYSR3IZa69e9gELDGkrp1v79BlT9JjcOjUxr9ZB+CpGmbT7fchg4UPN20s9ni33qfL2BG0O6ZFvic91xzY+QG+3MVqbBXdJob5dOWCeZ/8UmsaDbx5TpAw+ajuxNkWndYyeSu/4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755302761; c=relaxed/simple; bh=Nsb0nSy5MOec7iftbI+KS9MGNfFWdbMuV/dAsboyXJE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=FZ81bPxDa8mZugENC/HyO8eKMH9wq/GJ8tUOYKSQQ44qvyl7My+tSy1Qmf5heAg19hp64/o8lFa5MQjbKV/o339uPvX/OHhbBhLelWFIttZODhVISo2MOnuXl5v9jNoBA4aD1xsOXLuwi46XANcSIULGpvDG/bm2MtEeU+UjRyw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RrHVkK0e; 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="RrHVkK0e" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 48C0AC4CEF6; Sat, 16 Aug 2025 00:06:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755302761; bh=Nsb0nSy5MOec7iftbI+KS9MGNfFWdbMuV/dAsboyXJE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RrHVkK0eULQgxNHH/Gd+LKc/qRhrcPLxwa5IKJe2uApV+ykhHK41+YvBEGKAJmAAz O6KdrN+WM3/zieqPAfoqqyL2kH4FO0eJp9L1uMUnQYiLz0KBGXkzcBsrfY+LcHHKuf ZkvCNQYv7AtIWQhpPT8zHY6E+YBkXuOboR1b5UwfZNGa5TV0WF0cfaxeRA1JYlfx7D bmBA7B4pyMj9cZkFeeYseTZvDM9wj9KnC8nkIo9KlAEXlxepJyaaJhqOUg1weyBCTX We+nvxy8UziZTjOG+JXMIgJn9RHI5BOCGRgg+9TxreB6rKbZofyVXg2/y/v3v8UNiS Zq5TCalh9hM6w== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 88ED0CE0B31; Fri, 15 Aug 2025 17:06:00 -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" , Joel Fernandes , Mathieu Desnoyers , Sebastian Andrzej Siewior , bpf@vger.kernel.org Subject: [PATCH v6 3/6] srcu: Add guards for notrace variants of SRCU-fast readers Date: Fri, 15 Aug 2025 17:05:56 -0700 Message-Id: <20250816000559.2622626-3-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This adds the usual scoped_guard(srcu_fast_notrace, &my_srcu) and guard(srcu_fast_notrace)(&my_srcu). Signed-off-by: Paul E. McKenney Reviewed-by: Joel Fernandes Cc: Mathieu Desnoyers Cc: Steven Rostedt Cc: Sebastian Andrzej Siewior Cc: --- include/linux/srcu.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 7a692bf8f99b96..ada65b58bc4c5f 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) =20 +DEFINE_LOCK_GUARD_1(srcu_fast_notrace, struct srcu_struct, + _T->scp =3D srcu_read_lock_fast_notrace(_T->lock), + srcu_read_unlock_fast_notrace(_T->lock, _T->scp), + struct srcu_ctr __percpu *scp) + #endif --=20 2.40.1