[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v3 4/8] xen/arm: Remove support for Stage-1 translation on SMMUv3.
On Thu, 10 Dec 2020, Rahul Singh wrote: > @@ -2087,29 +1693,8 @@ static int arm_smmu_domain_finalise(struct > iommu_domain *domain, > } > > /* Restrict the stage to what we can actually support */ > - if (!(smmu->features & ARM_SMMU_FEAT_TRANS_S1)) > - smmu_domain->stage = ARM_SMMU_DOMAIN_S2; > - if (!(smmu->features & ARM_SMMU_FEAT_TRANS_S2)) > - smmu_domain->stage = ARM_SMMU_DOMAIN_S1; > - > - switch (smmu_domain->stage) { > - case ARM_SMMU_DOMAIN_S1: > - ias = (smmu->features & ARM_SMMU_FEAT_VAX) ? 52 : 48; > - ias = min_t(unsigned long, ias, VA_BITS); > - oas = smmu->ias; > - fmt = ARM_64_LPAE_S1; > - finalise_stage_fn = arm_smmu_domain_finalise_s1; > - break; > - case ARM_SMMU_DOMAIN_NESTED: > - case ARM_SMMU_DOMAIN_S2: > - ias = smmu->ias; > - oas = smmu->oas; > - fmt = ARM_64_LPAE_S2; > - finalise_stage_fn = arm_smmu_domain_finalise_s2; > - break; > - default: > - return -EINVAL; > - } > + smmu_domain->stage = ARM_SMMU_DOMAIN_S2; > + Last time we agreed on adding an error message?
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