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[35.187.245.222]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a802fd929asm15517935ad.90.2026.01.23.01.49.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Jan 2026 01:49:55 -0800 (PST) Date: Fri, 23 Jan 2026 09:49:49 +0000 From: Pranjal Shrivastava To: Nicolin Chen Cc: will@kernel.org, jean-philippe@linaro.org, robin.murphy@arm.com, joro@8bytes.org, jgg@nvidia.com, balbirs@nvidia.com, miko.lenczewski@arm.com, peterz@infradead.org, kevin.tian@intel.com, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v9 1/7] iommu/arm-smmu-v3: Explicitly set smmu_domain->stage for SVA Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260123_014957_608351_AD2798A9 X-CRM114-Status: GOOD ( 12.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Dec 19, 2025 at 12:11:23PM -0800, Nicolin Chen wrote: > Both the ARM_SMMU_DOMAIN_S1 case and the SVA case use ASID, requiring ASID > based invalidation commands to flush the TLB. > > Define an ARM_SMMU_DOMAIN_SVA to make the SVA case clear to share the same > path with the ARM_SMMU_DOMAIN_S1 case, which will be a part of the routine > to build a new per-domain invalidation array. > > There is no function change. > > Suggested-by: Jason Gunthorpe > Acked-by: Balbir Singh > Reviewed-by: Jason Gunthorpe > Signed-off-by: Nicolin Chen > --- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 1 + > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 1 + > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 3 +++ > 3 files changed, 5 insertions(+) > Reviewed-by: Pranjal Shrivastava Thanks, Praan