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 E5BB52D0C9D; Mon, 20 Jul 2026 09:26:41 +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=1784539602; cv=none; b=Q/7eA0WoJrM99+frW19YE8O+8AS/LHed3QMsk5F/buGq1sf/DH9/JiSYyyrphq6/y3qwjyKl4ue5TR16L855yVIiagN0VU3Zg/R8a6WEFWjRcWA/Rwg5yNKJ2uiGONmJFPLktHGnhQ53QhOQGj2ezfEFpU7I4wPiFXxutmEfNXQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784539602; c=relaxed/simple; bh=PjX4aCJbESbKLKzy8PnUrea6vnbPsiCLwGPFS1jiytM=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=P8oQkpwSRiLYdZjOXYi8w6CZFbqWlw8qLhQY3puh/f49zUWQXuXNiylrLDR48rkb7FJAh0rMtsKOvmwCc4tGPcAmqFW97sJcDM24xnfRmIldh/GjzhJnFfbYX469R8cLtWJkZpzCyTmlkBY1ToZOsWqAG2xRi0m98h+rMo82WGg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mRaZJSfX; 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="mRaZJSfX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7F0B41F000E9; Mon, 20 Jul 2026 09:26:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784539601; bh=PjX4aCJbESbKLKzy8PnUrea6vnbPsiCLwGPFS1jiytM=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=mRaZJSfXeVvbOQw/EPfDdwFqmlNJeG4T33Vn0K7lN3HXukko7akd73Pd9B4vfnuMO RkOC14i9DMWWKdgL+vcal6fm3HGbLDzD3MevY6FOQfImqPSCubDKmDN1IW30XF5Rvh Fsw2StvLpAV1J5FkjCZIGz1RBCqEIPzr8JphO6WhUT4Q/6Fm71gn34BgnDWNeZKc8o FLRt1sVF2j0LpVrq+cjiAb4Q/vptZ/wwbEcO9m6MPfvjuVIDbPs9WNKPlEh+MwMGBv R/g5/Q0ofy4EuWYI5MzldHfS8h0qsIZ7j9T4y0yeWbScofyh7vpga6tFmMZTGxtU2d njfcMr7vfgWaQ== From: sashiko-bot@kernel.org Subject: Re: [PATCH v4 6/8] s390/mm: Use handle_fault_error() in do_secure_storage_access() Reply-To: sashiko-reviews@lists.linux.dev To: "Heiko Carstens" Cc: linux-s390@vger.kernel.org, kvm@vger.kernel.org, "Heiko Carstens" , "Vasily Gorbik" , "Alexander Gordeev" In-Reply-To: <20260720085834.898025-7-hca@linux.ibm.com> References: <20260720085834.898025-1-hca@linux.ibm.com> <20260720085834.898025-7-hca@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 20 Jul 2026 09:26:41 +0000 Message-Id: <20260720092641.7F0B41F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Similar to the normal exception handler use handle_fault_error() which > handles accesses from user space and kernel space differently. >=20 > This also addresses failing kernel accesses via e.g. copy_from_user()to > user space: instead of an endless loop, the fixup handling is performed. > Even though this could only happen if arch_make_folio_accessible() would > permanently fail, which is not realistic. >=20 > Therefore this is rather a cleanup patch. >=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/20260720085834.8980= 25-1-hca@linux.ibm.com?part=3D6