From nobody Thu Oct 2 10:53:53 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 D3C5E28FA9A; Thu, 18 Sep 2025 10:26:47 +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=1758191207; cv=none; b=qKIkvolQdtPYIPZqvLnTGFQML8rtUnRV9hzlGKn4Kc+b1SdTopdc4nz+mBzBW7ClOugX4lAOg3GCI2H/LyOEpJr0rj7xUOOxRw6VGYrtZ2UlnefCY1PaWrrlUYQaP9zzC0w01ay4qUH9dBYnROFhsjdvJJ91llaxnwZH4+zlSS4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758191207; c=relaxed/simple; bh=Nsb0nSy5MOec7iftbI+KS9MGNfFWdbMuV/dAsboyXJE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=CwzfvyPUj1OBJrTkzhS10HONzFCFAUvjgv2YXuKY4DgirpUCOLb4K0OBMFjCtK7w7Nqb73x58XN8jSCsxm8hNG7vtPIeqAl7MLsbRcWsuXrf09IPm3qu48/sP08/72PLzTyjaG6zCdZievLfFbT2PhUKyacweqfcgQgSzTlRyoo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Erl13Lw2; 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="Erl13Lw2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B653C4CEF7; Thu, 18 Sep 2025 10:26:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758191207; bh=Nsb0nSy5MOec7iftbI+KS9MGNfFWdbMuV/dAsboyXJE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Erl13Lw2D6g5crg6B62xZXtL7Z29gdMGd3A21xt2dIu4H2icsiP8qe0DdcSAbLFpl Knh3ppD4mhTAnv4TnMSL/6rGnnzm4P/x+iGfM0nUbHJt1jULB1Svjje7NLSZF0tczH 8h4UI04/FszYESsKRhiDP903aYg8/O8noOyzBvaDZEoGE3RZ6L3x8tC2XNoWApwoMs viq7SC78c+5j0uXwP4C+NgpDOdPXbM4yRUyWNhULXxJJG6Xjp4IjL9fzwJHyN6cxR5 R6eGFRrWa3kmVypGzxKd9vKj9w787/6FEPsDE5YFSp3nWfUtqVu0M1sxNnyBCfW7YT IP/0NOhYkM7zA== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id E9851CE0EFF; Thu, 18 Sep 2025 03:26:46 -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 v2 3/6] srcu: Add guards for notrace variants of SRCU-fast readers Date: Thu, 18 Sep 2025 03:26:43 -0700 Message-Id: <20250918102646.2592821-3-paulmck@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <89b6f92e-2aa6-4869-ad4f-47bb3fbadfbb@paulmck-laptop> References: <89b6f92e-2aa6-4869-ad4f-47bb3fbadfbb@paulmck-laptop> 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