Hi Baolu, On Thu, May 19, 2022 at 03:20:38PM +0800, Lu Baolu wrote: > diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c > b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c > index 88817a3376ef..6e2cd082c670 100644 > --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c > +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c > @@ -3546,6 +3546,7 @@ static int arm_smmu_device_hw_probe(struct > arm_smmu_device *smmu) > /* SID/SSID sizes */ > smmu->ssid_bits = FIELD_GET(IDR1_SSIDSIZE, reg); > smmu->sid_bits = FIELD_GET(IDR1_SIDSIZE, reg); > + smmu->iommu.pasids = smmu->ssid_bits;
This should be 1UL << smmu->ssid_bits Thanks, Jean _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
