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 6104F3D890D; Wed, 26 Aug 2026 09:54:21 +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=1787738062; cv=none; b=PTfm2+qZZiYkVyPn3BWy4KOgeJ5Zw+ApISSXxQdWjj2TSueXrR5xo1c5lkixOEZnJxEqcRxtm2dqSc2Qg9Bt4pO4ujT+g4pkvAX0OP1hkOYv8UYTLRUQKjPnFuWSXF6Ou5QaKuUGrat1JReU5y8elEDF1mJmYkiLk8rEovZ06Jo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787738062; c=relaxed/simple; bh=bdjGZgYMHQxRItVtl5IqxxLWmvDTokFPHdGRmx+8TSI=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=fA8BntiPNpHWEbb2AZhNB1EgKhIuK5X4aAbvPlZWvS3pBOBpgeQFZOxgLBP7Fw2U8lwWx0EbKIdTsb03AZAUmqmnE3hEyTUS63LzBB0my68aD3+MHiA37Jvi64pSzQ5ryKNDt0Yi/EIo4Kyd7M3omY5pOSrkpfCqjgKUjomux2Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SBTuGtRA; 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="SBTuGtRA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 864461F00A3A; Wed, 26 Aug 2026 09:54:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787738060; bh=bdjGZgYMHQxRItVtl5IqxxLWmvDTokFPHdGRmx+8TSI=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=SBTuGtRAwnbJQdAi8gAAiv5FbJ9xURYFv8i2X41rrju8lk2iTLY9u5hKUXE7ANKwg Jx/pBGqWevO1jJlsHfX8rjVBB6eYOSGUWOWSRGKtJ3yZioKH9uR8BbEAyKW4xF7eNk NsxOXtbF35vtWhyLh/I5mzxAfb5tais31fbMt6FNohrXuTb46WcSYSHvJCW/cHbovH AJLrYeCiratC2kp0i/CUvds6U+3PtJ/J90YHpMCS9VLSAvBcBVpUnAZGk3dTwYjMiz dvLze3gGG9Lau0EhRtWMdsgEo2hN8ttbFO1jVdMWIVrgACl1pw2FQJGMEkABp4mGQt EG5SO4PBJmRLg== From: sashiko-bot@kernel.org Subject: Re: [PATCH 02/11] lib/vsprintf: Use acquire/release for ptr_key publication Reply-To: sashiko-reviews@lists.linux.dev To: "Jinjie Ruan" Cc: "Oleksij Rempel" , linux-can@vger.kernel.org, "Vincent Mailhol" , tytso@mit.edu, "Marc Kleine-Budde" , "Oliver Hartkopp" , linux-ext4@vger.kernel.org In-Reply-To: <20260825095422.3166067-3-ruanjinjie@huawei.com> References: <20260825095422.3166067-1-ruanjinjie@huawei.com> <20260825095422.3166067-3-ruanjinjie@huawei.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 26 Aug 2026 09:54:20 +0000 Message-Id: <20260826095420.864461F00A3A@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Replace the smp_wmb() + WRITE_ONCE() and READ_ONCE() + smp_rmb() barrier > pair with smp_store_release()/smp_load_acquire() on filled_random_ptr_key. >=20 > This expresses the publish/subscribe pattern more clearly and allows > architectures with native acquire/release instructions (e.g. arm64's > STLR/LDAR) to avoid the cost of full one-way barriers (DMB ISHST/ISHLD). >=20 > No functional change intended. >=20 > Assisted-by: DeepSeek:DeepSeek-V3 > Signed-off-by: Jinjie Ruan Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260825095422.3166= 067-1-ruanjinjie@huawei.com?part=3D2