diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2019-05-21 10:30:16 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-10 10:52:22 +0300 |
| commit | 7ae68002b53d42c61781f6f10ee735b5a41001b8 (patch) | |
| tree | a9ac1454e79a7de68999df42be06bdfd5f75fcb7 /drivers/iommu | |
| parent | cd3d34cf030cf5f7352a079e38748271fd647142 (diff) | |
| download | linux-7ae68002b53d42c61781f6f10ee735b5a41001b8.tar.xz | |
iommu/vt-d: Set the right field for Page Walk Snoop
[ Upstream commit 66d78ad316b0e1ca5ae19663468554e2c0e31c26 ]
Set the page walk snoop to the right bit, otherwise the domain
id field will be overlapped.
Reported-by: Dave Jiang <dave.jiang@intel.com>
Fixes: 6f7db75e1c469 ("iommu/vt-d: Add second level page table interface")
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel-pasid.c | 2 |
1 files changed, 1 insertions, 1 deletions
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); } /* |