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 ABAF441228D; Mon, 14 Sep 2026 22:18:36 +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=1789424317; cv=none; b=fSNtcRMdfQ6p4nCO85oTwFdi7sMCjgtiuVFFfZfJsX7n4KKabjj72cVglX5aHOwtA8YiHPM/a+CD3rvjCx5omc7ktvKRbGIqoJVcbHvDnk17OaBLoiHMaNsdj2ti6rXM9J0FMcoeVm0nYYH/ZAgaSUseQ3nYKq1VMJIgLXK0Q5A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789424317; c=relaxed/simple; bh=+zEca/XAs29lC1ZfUNKoIoVzuS+RxeoqsW0hSIQYQS0=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=Z/71XJ90carfwTRXD6RdNcMmpx/tGyHkHA/ruwf7rRpBHeCCSHKi1jeWkHD7CUSreJEiez6qvcvYkN1sO/uinYQ2vcsPNE0sVmCuiRYrFIDnZ+U3hnJmaeCnLOS4zS1uBJs+VKNVAAKpC2uK+eF+U2s/actaY+l1N/LjLMN1DMA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bggv7pdH; 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="bggv7pdH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 790E71F000FF; Mon, 14 Sep 2026 22:18:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789424316; bh=+zEca/XAs29lC1ZfUNKoIoVzuS+RxeoqsW0hSIQYQS0=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=bggv7pdHTu+0gwWWovqi9bVQa42ua4VkvGaqWAgeijsIbhOGlhYwge364zyx12gpe h30x6dxI6tG+VhSJTgxAbOFXyBkYx7+fa7awRyAedX1KIENefWt99nZi2PWDlG0UW5 MqEuolBDlGdgcgBZnS38wfkMkQwL0qx9IqETKJvTz8Hc5OOInlJC7lvrmCqXHjiJ/l AJM0sa61B94dd8ipNUFuQcPGn2C8x/VSTsk8pK2y7wtzlIvOsmM+S4mzMoaMZDD5XL FVrtJsIxjwSr3iU1JLyeUcVKWCdfdVJIa59dqjtPbMIQ9Sp2YxFoeTeiwkxTHWMVuq XDT/PG3aoszeA== From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 25/40] mm/vma: enforce that only kernel-owned mappings may set VMA_IO_BIT Reply-To: sashiko-reviews@lists.linux.dev To: =?utf-8?b?TG9yZW56byBTdG9ha2VzIChBUk0p?= Cc: "Alexander Gordeev" , linux-trace-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux-scsi@vger.kernel.org, "Oliver Upton" , "Heiko Carstens" , bpf@vger.kernel.org, kvm@vger.kernel.org, selinux@vger.kernel.org, linux-perf-users@vger.kernel.org, "Marc Zyngier" , "Christian Borntraeger" , dri-devel@lists.freedesktop.org, "Vasily Gorbik" , linux-s390@vger.kernel.org, kvmarm@lists.linux.dev In-Reply-To: <20260914-b4-mmap-prepare-vma-flag-sanify-v2-25-7d9781ed5361@kernel.org> References: <20260914-b4-mmap-prepare-vma-flag-sanify-v2-0-7d9781ed5361@kernel.org> <20260914-b4-mmap-prepare-vma-flag-sanify-v2-25-7d9781ed5361@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 14 Sep 2026 22:18:35 +0000 Message-Id: <20260914221835.790E71F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: selinux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > 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/20260914-b4-mmap-pr= epare-vma-flag-sanify-v2-0-7d9781ed5361@kernel.org?part=3D25