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| author | Alexis Dambricourt <[email protected]> | 2015-12-14 14:39:34 +0000 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2015-12-22 14:28:37 +0000 |
| commit | a7f2d7865720ff13d5b0f2a3bb1fd80dc3d7a73f (patch) | |
| tree | eb056ec459bc3f15b8b4ce1c9c5ef1b5b3abffc0 /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | |
| parent | Merge tag 'kvm-arm-for-v4.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
| download | kernel-a7f2d7865720ff13d5b0f2a3bb1fd80dc3d7a73f.tar.gz kernel-a7f2d7865720ff13d5b0f2a3bb1fd80dc3d7a73f.zip | |
KVM: MTRR: fix fixed MTRR segment look up
This fixes the slow-down of VM running with pci-passthrough, since some MTRR
range changed from MTRR_TYPE_WRBACK to MTRR_TYPE_UNCACHABLE. Memory in the
0K-640K range was incorrectly treated as uncacheable.
Fixes: f7bfb57b3e89ff89c0da9f93dedab89f68d6ca27
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=107561
Cc: [email protected]
Signed-off-by: Alexis Dambricourt <[email protected]>
[Use correct BZ for "Fixes" annotation. - Paolo]
Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
0 files changed, 0 insertions, 0 deletions