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 CF360502D5A; Fri, 9 Oct 2026 18:36:24 +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=1791570986; cv=none; b=iwC70MG6dwug6FCCCvoAQYR9d1HWjq2HW893GFZtJAhXc+9yKi2Wcz+10LngAqLwDdH8H5eCBuYshVGpLsKmvK2iCvyIdtngOViuLUs5SR8nd9lG4/aNQPmtUAD6LzdqxZaBP6xfhDY8NcFwtavWsoPin3/5cEeAQmLJLnGO3rQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791570986; c=relaxed/simple; bh=JCqh1EtcYjZW0RH7Et7NA4otY8ggCzC3ELzMG8X53C8=; h=Message-ID:From:Subject:To:Cc:In-Reply-To:References:Content-Type: Date; b=ZAA3/EDYbahVAzUw/ORH/77nLPVONIUIx6KNt6/Kq3ZY+pS+Au4AZDKWJ9V8iDLTV4J+36+TqYfTFU/tzR6QCB99YM/0saOugXMZSmCNrWbMx2BP2OLDR5fSd8EjgbZSOeCyoSvIdLmLnmJyEqAeQFli9A/aX6xJKGv71tkBJA8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ek16SYIg; 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="Ek16SYIg" 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 Reply-To: sashiko-reviews@lists.linux.dev 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 Precedence: bulk X-Mailing-List: linux-usb@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 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