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[34.142.211.105]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a498057a62sm330376a91.13.2026.09.28.09.39.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Sep 2026 09:39:09 -0700 (PDT) Date: Mon, 28 Sep 2026 16:39:02 +0000 From: Pranjal Shrivastava To: Jason Gunthorpe Cc: Catalin Marinas , Jonathan Corbet , iommu@lists.linux.dev, "Joerg Roedel (AMD)" , Jean-Philippe Brucker , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, Mark Rutland , Randy Dunlap , Robin Murphy , Shuah Khan , Will Deacon , David Matlack , Jean-Philippe Brucker , Jonathan Cameron , Nicolin Chen , Pasha Tatashin , patches@lists.linux.dev, Samiullah Khawaja , Mostafa Saleh , stable@vger.kernel.org, Vijayanand Jitta Subject: Re: [PATCH v7 6/9] iommu/arm-smmu-v3: Precompute the invalidation commands Message-ID: References: <0-v7-e84261bbe7cd+2ea80b-smmu_tlbi_jgg@nvidia.com> <6-v7-e84261bbe7cd+2ea80b-smmu_tlbi_jgg@nvidia.com> Precedence: bulk X-Mailing-List: patches@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: <6-v7-e84261bbe7cd+2ea80b-smmu_tlbi_jgg@nvidia.com> On Mon, Sep 21, 2026 at 08:55:14PM -0300, Jason Gunthorpe wrote: > Store the required cmd data in the tlbi and just copy it out when > processing each item in the invs list. The cmd form only depends on if the > instance supports range invalidation or not, otherwise it is always the > same. > > This avoids redundant calculations for each invs entry. > > Reviewed-by: Nicolin Chen > Tested-by: Nicolin Chen > Signed-off-by: Jason Gunthorpe Reviewed-by: Pranjal Shrivastava Thanks, Praan