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 18E81357CF4 for ; Mon, 12 Oct 2026 11:51:53 +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=1791805915; cv=none; b=Rqu+Szlby8uB8XGiUabEObfHdci/DO60FNBfBfQ38LCwz+JvqWw71b97OJij7QpbFbjzaSzkkye28+7yEQb+eMCgtlBvualkDBWg598AJLTWue0tNsN1DMm9hd8UxR8CZSJ0nRod/ndV4V0Y/MFSJM16le+QP5e2lK47JeExgP8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791805915; c=relaxed/simple; bh=kw8OsiOOa6NAL3T7lYSeK5WNLyaOwFXC++x+GPs5m3k=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=srwj+0ar5FZysYmsqUMjCZcpSPXvD6sINZwQ1jhlPwtBC4w+c/JCrA3v5BvoySVFGtMzrKA/DvKetOQzT3M5VZwoXw018ihIx7M7a9Nq38K3/oOxZFCeV+t+WTyvXCmNy5CzDFVNS+hpMQ0bjfCSLLh4MIsOrcc8DC22twRp8A0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Mknm6vKB; 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="Mknm6vKB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 575A41F0089B; Mon, 12 Oct 2026 11:51:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791805913; bh=kw8OsiOOa6NAL3T7lYSeK5WNLyaOwFXC++x+GPs5m3k=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=Mknm6vKBSxengwuiXAQc236VfNWb6svg7mC8pY0x4+b6+uK81w8vUIrHA+ILzwqlR qvoDr0+E42ptswEjSTpnYjiYgb8W5cR7iWznAArNAfxQDazdbqyArQF8wKMI0+A9Ky bEZhqlHj5IMfK7Zi6qc1CaJDfzimkQxtfeGYd5GRHmQecMgf/EI1Bdry09eKt07Eje rbERHB7ceuUt/h5H/SxTaTbx2e583fw4gdarsMybN1tkpbYtDZOeKgou0N4BZ2ZCxE 0eQ33Km2bQu6QER0UYPGkii5hJaZlZZMxfgkvsK8Sdatxai2TjEjzjPXHGTxoJbuvx XTgvd2loC4JAg== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH 4/4] s390/percpu: Implement this_cpu_try_cmpxchg() Reply-To: sashiko-reviews@lists.linux.dev To: "Heiko Carstens" Cc: linux-s390@vger.kernel.org, "Vasily Gorbik" , "Alexander Gordeev" , "Heiko Carstens" , "Christian Borntraeger" In-Reply-To: <20261012114249.2898572-5-hca@linux.ibm.com> References: <20261012114249.2898572-1-hca@linux.ibm.com> <20261012114249.2898572-5-hca@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 12 Oct 2026 11:51:52 +0000 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Provide an s390 specific implementation of this_cpu_try_cmpxchg() for > the four and eight byte cases, if the compiler supports flag output > operands. >=20 > This variant uses the condition code set by cs/csg, which avoids a > compare instruction required by the generic variant and generates > slightly better code. >=20 > Signed-off-by: Heiko Carstens Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261012114249.2898= 572-1-hca@linux.ibm.com?part=3D4