From: Lu Baolu <[email protected]> [ Upstream commit 66d78ad316b0e1ca5ae19663468554e2c0e31c26 ]
Set the page walk snoop to the right bit, otherwise the domain id field will be overlapped. Reported-by: Dave Jiang <[email protected]> Fixes: 6f7db75e1c469 ("iommu/vt-d: Add second level page table interface") Signed-off-by: Lu Baolu <[email protected]> Signed-off-by: Joerg Roedel <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- drivers/iommu/intel-pasid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel-pasid.c b/drivers/iommu/intel-pasid.c index 03b12d2ee213..fdf05c45d516 100644 --- a/drivers/iommu/intel-pasid.c +++ b/drivers/iommu/intel-pasid.c @@ -387,7 +387,7 @@ static inline void pasid_set_present(struct pasid_entry *pe) */ static inline void pasid_set_page_snoop(struct pasid_entry *pe, bool value) { - pasid_set_bits(&pe->val[1], 1 << 23, value); + pasid_set_bits(&pe->val[1], 1 << 23, value << 23); } /* -- 2.20.1
