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 2BEC03A0B36 for ; Wed, 7 Oct 2026 11:56:07 +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=1791374177; cv=none; b=tOU5sf6PNnOyOEvDOKsyiSWjHp3bV6K40lYjwdBqEhfJikT4/U2zLIk0fi6kHLdXrrtco5Pjq9mPLStX43fBoPWWw95zPTqTtuVB9VXyguxaiXv3+GjI3VTg5vKFgp8O0X6V+gLw3GNJLqB+iovkKiIVDp0/214pN16+9QwuDEE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791374177; c=relaxed/simple; bh=Xh+A++DOri+KGNVAn6xWQaa3tFmN+it5f6kUgnu7ALU=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=QJgfx2a62GEd2UeEN310WsZFIZ4l12ImbzT4WlQoizY5MZu/ApVtoNUIkmW2XE0jAPRmffGlU2JROPbsCd9tYgfpLSXf+zTv+kEgnztJptL0u0/yJ1Kf1DY5a+LQjhRZb655GUCZid/cnL6L1FVGK0moRyCjrDtE53HohDnSqMs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Td15YSjU; 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="Td15YSjU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80D711F0089B; Wed, 7 Oct 2026 11:56:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791374166; bh=AtAyKzorK/XEKzo38k1OoWb43gxEPebBNNqiANMpPro=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=Td15YSjUXtaBoYAQIvtcsMNIT0cBDbQgBJ408ooYlzKvFRdYI3nkPqB0b1clrD5xZ jFQvizQpHXSJ0jyVrlAvQa0Xj+wZ6nvlABIslQVfEafOuX1fLUJxEzk9GpObvoKH+M 6Vw4yoCiWo9lwSpWgigvu9wZyQj0+ysGOr9TJGXWoXDt/t/GGmu7yiR02QOweFWDcL 2vRylYVy2D+HdZ2mXQVMSp3XtIxeeFH/jZ7o9rRMnETefzlRi9w9V53D8eofPv6ofw 1aYN4U+8ApMJoAN1sQ3IqACM/eOX0mHwaAsLhfnfKq65X1o2XaJLP5t6g32a+AD9ym 2h1ybq52i7BPA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v8 14/15] mm/kasan: Introduce helpers for lazy MMU mode sanitizer Reply-To: sashiko-reviews@lists.linux.dev To: "Alexander Gordeev" Cc: "Vasily Gorbik" , "Christian Borntraeger" , "Heiko Carstens" , "Alexander Gordeev" , linux-s390@vger.kernel.org In-Reply-To: References: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 07 Oct 2026 11:56:06 +0000 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > Provide helpers that allow architectures implement > illegitimate PTE direct accesses while the lazy MMU > mode is enabled, such as: >=20 > pte_t pte =3D *ptep; > *ptep =3D pte; >=20 > By contrast, these would have to be: >=20 > pte_t pte =3D ptep_get(ptep); > set_pte(ptep, pte); >=20 > The direct PTE accesses pose a real issue on s390. >=20 > Suggested-by: Ilya Leoshkevich > Signed-off-by: Alexander Gordeev Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/cover.1791365932.gi= t.agordeev@linux.ibm.com?part=3D14