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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-16 15:39:23 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-16 15:39:23 +0200
commitd6da35e0c6d50f76eaf11a0496d3d2ec1a1fea3f (patch)
treec757e3701fbe9dbbf35525e980bd155c244cce52 /drivers/iommu/intel/svm.c
parent4419da5d5d4b1788568b7bf22c083ba2832891df (diff)
parent42226c989789d8da4af1de0c31070c96726d990c (diff)
Merge 5.18-rc7 into usb-next
We need the tty fixes in here as well, as we need to revert one of them :( Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu/intel/svm.c')
-rw-r--r--drivers/iommu/intel/svm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index 23a38763c1d1..7ee37d996e15 100644
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -757,6 +757,10 @@ bad_req:
goto bad_req;
}
+ /* Drop Stop Marker message. No need for a response. */
+ if (unlikely(req->lpig && !req->rd_req && !req->wr_req))
+ goto prq_advance;
+
if (!svm || svm->pasid != req->pasid) {
/*
* It can't go away, because the driver is not permitted