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 DB5BF4C225E for ; Sun, 18 Oct 2026 13:52:17 +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=1792331539; cv=none; b=scMK25dBrNo1w9JY4UY+tQ9ltYSFHxRe8V19cvmAn9UPBtJ3OOKsHXrXZJjLqwfRxoom/rzPMjb4776zbQkgAT7VCiPVzJ7mU2xgVZkM7FzqalTe2tEO95v8RgZZY9dBdZuV09iUkqmZMsDseU0sRPRTviO0BBpfze3hEU+ueTc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792331539; c=relaxed/simple; bh=1vY2ThGykhyJpge0pAKnV2phfvFrqAjHizYPTSBqumo=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=qgurWJMaYtYNgdCouo3iIQb71JLzWBgDoAeq5/FB6CcafQz9v8Pg5CUAx+ap2uPXQvb9bpO4D9V5acz46k6BK7voabatP51yVPyUeEIt0pHAQxc/keUhy9GwSJM1ISDelg8rkkbqEprxN7enJwEi2CsZ84n+hPGvBapfhrS2pgU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IcgiGPbm; 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="IcgiGPbm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F25661F000C4; Sun, 18 Oct 2026 13:52:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792331537; bh=1vY2ThGykhyJpge0pAKnV2phfvFrqAjHizYPTSBqumo=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=IcgiGPbmsg9lu0LTIiPyAbJb/nbIWLobxiXH6s3q6oIc5vtvjty41yc5ZHQKxpalY DcsG3drTWo9th58nT3xy6FRsf8jg0GT4iVCi2Mh10w+PJQyr0RhqYveTAW4bbtssxS RPwYoFuTgPQeUcWy2h3XxS47P9RHi7oaElm14Kk/BtpKyB7xdR4gG0hzys2rVbG3B8 lM7H0379hUOtup5HtlWiODfEUOp8jzl23nQ0oA50B2p1Qf4doY5R9BBss8NVawbGVJ 3ciVYuFFWqFftDhJll5i1Yd8w7CP2T2weNNdhyKG9lFzQO4QXWH9k1CCCx5URqNt8e ghLkQ2TWM+bnQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v4 07/10] sparc64: zero newly allocated IOMMU page tables Reply-To: sashiko-reviews@lists.linux.dev To: "Magnus Lindholm" Cc: linux-serial@vger.kernel.org In-Reply-To: <20261018134738.1016106-8-linmag7@gmail.com> References: <20261018134738.1016106-1-linmag7@gmail.com> <20261018134738.1016106-8-linmag7@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Sun, 18 Oct 2026 13:52:16 +0000 Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > iopte_make_dummy() replaces only the physical page field, preserving > all attributes. Applying it to an uninitialized table leaves validity, > permissions, context and reserved bits dependent on prior page contents. >=20 > Zero the table allocation before installing dummy page addresses. Keep > iopte_make_dummy() unchanged for unmap callers that preserve attributes. >=20 > This initialization pattern is already present in the initial Git > import; the Fixes tag identifies its earliest recorded version. >=20 > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > Signed-off-by: Magnus Lindholm Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261018134738.1016= 106-1-linmag7@gmail.com?part=3D7