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[70.30.145.63]) by smtp.gmail.com with ESMTPSA id f30-20020ac8015e000000b003b9bd163403sm2122073qtg.4.2023.02.09.14.16.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Feb 2023 14:16:12 -0800 (PST) Date: Thu, 9 Feb 2023 17:16:11 -0500 From: Peter Xu To: Avihai Horon Cc: qemu-devel@nongnu.org, Alex Williamson , "Michael S. Tsirkin" , Jason Wang , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Eduardo Habkost , David Hildenbrand , Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , Yishai Hadas , Jason Gunthorpe , Maor Gottlieb , Kirti Wankhede , Tarun Gupta , Joao Martins Subject: Re: [PATCH 13/18] memory/iommu: Add IOMMU_ATTR_MAX_IOVA attribute Message-ID: References: <20230126184948.10478-1-avihaih@nvidia.com> <20230126184948.10478-14-avihaih@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230126184948.10478-14-avihaih@nvidia.com> Received-SPF: pass client-ip=170.10.133.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Jan 26, 2023 at 08:49:43PM +0200, Avihai Horon wrote: > Add a new IOMMU attribute IOMMU_ATTR_MAX_IOVA which indicates the > maximal IOVA that an IOMMU can use. > > This attribute will be used by VFIO device dirty page tracking so it can > track the entire IOVA space when needed (i.e. when vIOMMU is enabled). > > Signed-off-by: Avihai Horon Acked-by: Peter Xu -- Peter Xu