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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 Tue, Jul 01, 2025 at 08:43:30PM +0000, Pranjal Shrivastava wrote: > On Tue, Jul 01, 2025 at 01:23:17PM -0700, Nicolin Chen wrote: > > Or perhaps calling them "non-accelerated commands" would be nicer. > > Uhh okay, so there'll be a separate driver in the VM issuing invalidation > commands directly to the CMDQV thus we don't see any of it's part here? That's how it works. VM must run a guest-level VCMDQ driver that separates accelerated and non-accelerated commands as it already does: accelerated commands => VCMDQ (HW) non-accelerated commands => SMMU CMDQ (SW) =iommufd=> SMMU CMDQ (HW) Nicolin