Hi Jean, On 2022/5/19 18:37, Jean-Philippe Brucker wrote:
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
Done. Thank you for the reminding. Best regards, baolu _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
