Messages in this thread | | | Date | Thu, 28 Jan 2021 13:17:48 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH 1/1] iommu/vt-d: Correctly check addr alignment in qi_flush_dev_iotlb_pasid() |
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On Tue, Jan 19, 2021 at 12:35:00PM +0800, Lu Baolu wrote: > An incorrect address mask is being used in the qi_flush_dev_iotlb_pasid() > to check the address alignment. This leads to a lot of spurious kernel > warnings: > > [ 485.837093] DMAR: Invalidate non-aligned address 7f76f47f9000, order 0 > [ 485.837098] DMAR: Invalidate non-aligned address 7f76f47f9000, order 0 > [ 492.494145] qi_flush_dev_iotlb_pasid: 5734 callbacks suppressed > [ 492.494147] DMAR: Invalidate non-aligned address 7f7728800000, order 11 > [ 492.508965] DMAR: Invalidate non-aligned address 7f7728800000, order 11 > > Fix it by checking the alignment in right way. > > Fixes: 288d08e780088 ("iommu/vt-d: Handle non-page aligned address") > Reported-and-tested-by: Guo Kaijie <Kaijie.Guo@intel.com> > Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> > Cc: Liu Yi L <yi.l.liu@intel.com> > --- > drivers/iommu/intel/dmar.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
Applied for 5.11, thanks.
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