Re: [PATCH v5 12/15] iommu/arm-smmu-v3: Allocate IOPF queue for ARM_SMMU_FEAT_PRI

From: Jason Gunthorpe

Date: Wed Sep 23 2026 - 15:10:22 EST


On Tue, 15 Sep 2026 09:38:24 -0700, Nicolin Chen <nicolinc@xxxxxxxxxx> wrote:
> After the previous change drops the FEAT_SVA gate, arm_smmu_init_queues()
> allocates smmu->evtq.iopf when the SMMU advertises FEAT_STALLS. PRI support
> is being added on top of the IOPF infrastructure, so extend the allocation
> condition to cover SMMUs that advertise FEAT_PRI without FEAT_STALLS.

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

--
Jason