Messages in this thread | | | Subject | Re: [PATCH RFC v1 08/15] iommu: Add asid_bits to arm smmu-v3 stage1 table info | From | Vivek Kumar Gautam <> | Date | Fri, 12 Mar 2021 18:27:18 +0530 |
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On 3/3/21 10:48 PM, Jean-Philippe Brucker wrote: > On Fri, Jan 15, 2021 at 05:43:35PM +0530, Vivek Gautam wrote: >> aisd_bits data is required to prepare stage-1 tables for arm-smmu-v3. >> >> Signed-off-by: Vivek Gautam <vivek.gautam@arm.com> >> Cc: Joerg Roedel <joro@8bytes.org> >> Cc: Will Deacon <will.deacon@arm.com> >> Cc: Robin Murphy <robin.murphy@arm.com> >> Cc: Jean-Philippe Brucker <jean-philippe@linaro.org> >> Cc: Eric Auger <eric.auger@redhat.com> >> Cc: Alex Williamson <alex.williamson@redhat.com> >> Cc: Kevin Tian <kevin.tian@intel.com> >> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> >> Cc: Liu Yi L <yi.l.liu@intel.com> >> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> >> Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com> >> --- >> include/uapi/linux/iommu.h | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h >> index 082d758dd016..96abbfc7c643 100644 >> --- a/include/uapi/linux/iommu.h >> +++ b/include/uapi/linux/iommu.h >> @@ -357,7 +357,7 @@ struct iommu_pasid_smmuv3 { >> __u32 version; >> __u8 s1fmt; >> __u8 s1dss; >> - __u8 padding[2]; >> + __u16 asid_bits; > > Is this used anywhere? This struct is passed from host userspace to host > kernel to attach the PASID table, so I don't think it needs an asid_bits > field.
Yea, must have missed removing it from the WIP work. Will remove it.
Thanks Vivek
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