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| author | Jerry Snitselaar <jsnitsel@redhat.com> | 2019-12-13 08:36:42 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-12-17 13:48:18 +0300 |
| commit | cde9319e884eb6267a0df446f3c131fe1108defb (patch) | |
| tree | 21b9617bff42b829b02a047ecadb476066c1d212 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | d360211524bece6db9920f32c91808235290b51c (diff) | |
| download | linux-cde9319e884eb6267a0df446f3c131fe1108defb.tar.xz | |
iommu/vt-d: Allocate reserved region for ISA with correct permission
Currently the reserved region for ISA is allocated with no
permissions. If a dma domain is being used, mapping this region will
fail. Set the permissions to DMA_PTE_READ|DMA_PTE_WRITE.
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Cc: iommu@lists.linux-foundation.org
Cc: stable@vger.kernel.org # v5.3+
Fixes: d850c2ee5fe2 ("iommu/vt-d: Expose ISA direct mapping region via iommu_get_resv_regions")
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions