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Thu, 15 Aug 2024 05:05:36 -0700 (PDT) Received: from ziepe.ca ([128.77.69.90]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6bf6fef3107sm5805326d6.121.2024.08.15.05.05.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Aug 2024 05:05:35 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.95) (envelope-from ) id 1seZEU-002lfC-2K; Thu, 15 Aug 2024 09:05:34 -0300 Date: Thu, 15 Aug 2024 09:05:34 -0300 From: Jason Gunthorpe To: Mostafa Saleh Cc: linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, will@kernel.org, robin.murphy@arm.com, joro@8bytes.org, jean-philippe@linaro.org, nicolinc@nvidia.com, mshavit@google.com Subject: Re: [PATCH v2] iommu/arm-smmu-v3: Match Stall behaviour for S2 Message-ID: <20240815120534.GD3468552@ziepe.ca> References: <20240814145633.2565126-1-smostafa@google.com> <20240814155151.GB3468552@ziepe.ca> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Aug 15, 2024 at 11:30:41AM +0000, Mostafa Saleh wrote: > Yes, s2 translation fault events are the same but with an extra bit > set (S2), and with a new field for IPA which is not relevant here as > we only report the IOVA. Okay, as long as the IOVA is decoded and passed into report_fault it should be fine We don't yet have support for specifying the IPA on nesting.. Jason