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Tsirkin" To: David Woodhouse Cc: Christoph Hellwig , virtio-comment@lists.linux.dev, Claire Chang , linux-devicetree , Rob Herring , =?iso-8859-1?Q?J=F6rg?= Roedel , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, graf@amazon.de Subject: Re: [RFC PATCH 1/3] content: Add VIRTIO_F_SWIOTLB to negotiate use of SWIOTLB bounce buffers Message-ID: <20250404040838-mutt-send-email-mst@kernel.org> References: <20250402112410.2086892-1-dwmw2@infradead.org> <20250402112410.2086892-2-dwmw2@infradead.org> <148a3c8ee53af585b42ec025c2c7821ad852c66c.camel@infradead.org> <05abb68286dd4bc17b243130d7982a334503095b.camel@infradead.org> Precedence: bulk X-Mailing-List: virtio-comment@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: M8eAXHEaNYehu-VxUu7fIMredKzIQxI06Yfn5y-nHdY_1743754170 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit On Fri, Apr 04, 2025 at 08:50:47AM +0100, David Woodhouse wrote: > What's annoying is that this should work out of the box *already* with > virtio-mmio and a `restricted-dma-pool` — for systems which aren't > afflicted by UEFI/ACPI/PCI as their discovery mechanisms. That specifically would be just a driver bugfix then?