From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 424D9C88E72 for ; Thu, 17 Sep 2026 17:31:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5555210F01E; Thu, 17 Sep 2026 17:31:53 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="SszozQN5"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id B443D10F01E for ; Thu, 17 Sep 2026 17:31:52 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 7693141ACA; Thu, 17 Sep 2026 17:31:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 811891F00893; Thu, 17 Sep 2026 17:31:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789666312; bh=+Ec0BUb2k6aj32bDnhEPV1iOCTJIsMnKCwDRipXlmUM=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=SszozQN5DKg59dq3zPlxk8QzsxOkEKu2kzMyCA5kq1oPDPG7CcVklmxy6LvJN4kZz XAUjIINAAbEu7MPwDgLxKWZTmJEfaAUT0XSdfGe8N3Crz0b0NFe98w+A6HtmeA3/R0 zbXu2rs5wQAj28v8Yl9AK69mVV95tAGS24HCJNNYmmooETVOBFDMWajZtXQJ7n7ecn q7XKjrKlampOwXaQVSPQkPQY1jlo5ws/4UjRFMycN6IAHYd0ZfmeCwzZHeLDCZFqt4 UnP1JgT2/NM9oLgn0/qJ0CBEpACGayowQ8vi20SHkQE6z1G3loqoZd1hrmXhVG24GF Q+dCE5/zIx6xQ== From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 25/40] mm/vma: enforce that only kernel-owned mappings may set VMA_IO_BIT To: =?utf-8?b?TG9yZW56byBTdG9ha2VzIChBUk0p?= Cc: linux-s390@vger.kernel.org, bpf@vger.kernel.org, "Christian Borntraeger" , "Vasily Gorbik" , "Heiko Carstens" , "Marc Zyngier" , linux-perf-users@vger.kernel.org, dri-devel@lists.freedesktop.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-scsi@vger.kernel.org, linux-rdma@vger.kernel.org, linux-trace-kernel@vger.kernel.org, selinux@vger.kernel.org, "Oliver Upton" , "Alexander Gordeev" In-Reply-To: <20260917-b4-mmap-prepare-vma-flag-sanify-v3-25-4583d8a23bca@kernel.org> References: <20260917-b4-mmap-prepare-vma-flag-sanify-v3-0-4583d8a23bca@kernel.org> <20260917-b4-mmap-prepare-vma-flag-sanify-v3-25-4583d8a23bca@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 17 Sep 2026 17:31:51 +0000 Message-Id: <20260917173151.811891F00893@smtp.kernel.org> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" > It makes no sense for a mapping whose contents the kernel does not own to > specify that the range is MMIO. >=20 > Prior to this patch, all in-tree drivers which did so have been updated > such that they are marked as kernel-owned. The check WARNs and fails the > mmap for any out-of-tree driver that still sets VMA_IO_BIT without a kern= el > mapping. >=20 > No functional change intended for in-tree code. >=20 > Signed-off-by: Lorenzo Stoakes (ARM) Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260917-b4-mmap-pr= epare-vma-flag-sanify-v3-0-4583d8a23bca@kernel.org?part=3D25