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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2019-05-21 09:30:16 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-05-27 16:32:43 +0200 |
| commit | 66d78ad316b0e1ca5ae19663468554e2c0e31c26 (patch) | |
| tree | ca8f7edba371c9ae32b5b8a71adbef53e869b264 /drivers | |
| parent | iommu/vt-d: Fix lock inversion between iommu->lock and device_domain_lock (diff) | |
| download | linux-66d78ad316b0e1ca5ae19663468554e2c0e31c26.tar.xz linux-66d78ad316b0e1ca5ae19663468554e2c0e31c26.zip | |
iommu/vt-d: Set the right field for Page Walk Snoop
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>
Diffstat (limited to 'drivers')
| -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 2fefeafda437..fe51d8af457f 100644 --- a/drivers/iommu/intel-pasid.c +++ b/drivers/iommu/intel-pasid.c @@ -389,7 +389,7 @@ 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); } /* |