diff options
| author | Jacob Pan <jacob.jun.pan@linux.intel.com> | 2019-05-08 21:22:46 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-05-27 11:54:56 +0200 |
| commit | d7af4d987dfa31c5d715e940a447ea959f89e575 (patch) | |
| tree | e876a96729aa4334e46a3b0b79861a96ee3e4e13 /drivers/iommu/intel-iommu.c | |
| parent | Linux 5.2-rc2 (diff) | |
| download | linux-d7af4d987dfa31c5d715e940a447ea959f89e575.tar.xz linux-d7af4d987dfa31c5d715e940a447ea959f89e575.zip | |
iommu/vt-d: Fix bind svm with multiple devices
If multiple devices try to bind to the same mm/PASID, we need to
set up first level PASID entries for all the devices. The current
code does not consider this case which results in failed DMA for
devices after the first bind.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reported-by: Mike Campin <mike.campin@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
0 files changed, 0 insertions, 0 deletions