| commit | 3c677d206210f53a4be972211066c0f1cd47fe12 | [log] [tgz] |
|---|---|---|
| author | Joerg Roedel <jroedel@suse.de> | Fri Apr 12 12:50:31 2019 +0200 |
| committer | Joerg Roedel <jroedel@suse.de> | Fri Apr 12 12:59:45 2019 +0200 |
| tree | 0784753e89b9847d082df06b83e6a915b0644d5d | |
| parent | 15ade5d2e7775667cf191cf2f94327a4889f8b9d [diff] |
iommu/amd: Set exclusion range correctly
The exlcusion range limit register needs to contain the
base-address of the last page that is part of the range, as
bits 0-11 of this register are treated as 0xfff by the
hardware for comparisons.
So correctly set the exclusion range in the hardware to the
last page which is _in_ the range.
Fixes: b2026aa2dce44 ('x86, AMD IOMMU: add functions for programming IOMMU MMIO space')
Signed-off-by: Joerg Roedel <jroedel@suse.de>