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[47.54.130.67]) by smtp.gmail.com with ESMTPSA id af79cd13be357-91570271853sm113463685a.24.2026.06.01.07.32.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Jun 2026 07:32:51 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1wU3hC-00000001n2t-2ubv; Mon, 01 Jun 2026 11:32:50 -0300 Date: Mon, 1 Jun 2026 11:32:50 -0300 From: Jason Gunthorpe To: "guanghuifeng@linux.alibaba.com" Cc: boris.brezillon@collabora.com, robh@kernel.org, steven.price@arm.com, adrian.larumbe@collabora.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, liviu.dudau@arm.com, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, alex@shazbot.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kevin.tian@intel.com, baolu.lu@linux.intel.com, suravee.suthikulpanit@amd.com, dwmw2@infradead.org, xlpang@linux.alibaba.com, oliver.yang@linux.alibaba.com, shiyu.zsq@linux.alibaba.com, wei.guo.simon@linux.alibaba.com, alikernel-developer Subject: Re: [PATCH 3/9] iommu/generic_pt: implement iova_to_phys_length Message-ID: <20260601143250.GA2487554@ziepe.ca> References: <20260529115116.GR2487554@ziepe.ca> <20260531093637.3893199-1-guanghuifeng@linux.alibaba.com> <20260531093637.3893199-4-guanghuifeng@linux.alibaba.com> <20260531235421.GW2487554@ziepe.ca> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Mon, Jun 01, 2026 at 10:24:14PM +0800, guanghuifeng@linux.alibaba.com wrote: > Therefore, currently only the PTE mapping size of the iova is returned. > The current commit has a large number of changes; this issue will be > fixed in a subsequent series patch. No, do not introduce the wrong API to start. The iommupt version should be easy enough to do this. Jason