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 132DFCA601E for ; Fri, 9 Oct 2026 18:36:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6D32310EAEF; Fri, 9 Oct 2026 18:36:25 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="Ek16SYIg"; 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 A40B410EAEF for ; Fri, 9 Oct 2026 18:36:24 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 47C1F43E2C; Fri, 9 Oct 2026 18:36:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 441BD1F000FF; Fri, 9 Oct 2026 18:36:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791570984; bh=JCqh1EtcYjZW0RH7Et7NA4otY8ggCzC3ELzMG8X53C8=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=Ek16SYIgc2VoBs6MnvrygaV6SlEwjqQGZ29u7RkoN/ZqSa10RBRzJt14Gi6G4P8vh fYLZORJRzDuFYqCFy9zAjyaiD9s2mBbMZzvaxRTy0ws6ZeczP+EdX1s/ejX/oIaYP/ hrVFZZCwPpXjcf1jFntdbu+XwI241rZ0EVXFJsmdj9vqY1ObJsWu+qlsog85di1FR7 tuTQze5AWb/KvI6WAWDosdx9lM0skGuKjM6T2TgmAMhTAQAhTQyOOEyPG51mYJlZ3u pVXrp0ua+j+c3S5OR3UPQPWyC0AoG+2fKlroN8iCzGdh92daqMoLiV50jCnlD41XtK gN050VH2QmrjA== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v5 24/38] mm/vma: enforce that mm-managed mappings may not set VMA_IO_BIT To: =?utf-8?b?TG9yZW56byBTdG9ha2VzIChBUk0p?= Cc: dri-devel@lists.freedesktop.org, linux-perf-users@vger.kernel.org, linux-rdma@vger.kernel.org, linux-usb@vger.kernel.org, linux-s390@vger.kernel.org, "Alexander Gordeev" , kvm@vger.kernel.org, bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org, "Oliver Upton" , selinux@vger.kernel.org, linux-scsi@vger.kernel.org, "Vasily Gorbik" , kvmarm@lists.linux.dev, "Heiko Carstens" , "Christian Borntraeger" , "Marc Zyngier" In-Reply-To: <20261009-b4-mmap-prepare-vma-flag-sanify-v5-24-923b70125b1e@kernel.org> References: <20261009-b4-mmap-prepare-vma-flag-sanify-v5-0-923b70125b1e@kernel.org> <20261009-b4-mmap-prepare-vma-flag-sanify-v5-24-923b70125b1e@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 09 Oct 2026 18:36:22 +0000 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 not being mm-managed. The check WARNs and > fails the mmap for any out-of-tree driver that still sets VMA_IO_BIT > without a kernel mapping. >=20 > No functional change intended for in-tree code. >=20 > Reviewed-by: Zi Yan > 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/20261009-b4-mmap-pr= epare-vma-flag-sanify-v5-0-923b70125b1e@kernel.org?part=3D24