https://github.com/torvalds/linux
Revision a7f2d7865720ff13d5b0f2a3bb1fd80dc3d7a73f authored by Alexis Dambricourt on 14 December 2015, 14:39:34 UTC, committed by Paolo Bonzini on 22 December 2015, 14:28:37 UTC
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: qemu-stable@nongnu.org
Signed-off-by: Alexis Dambricourt <alexis.dambricourt@gmail.com>
[Use correct BZ for "Fixes" annotation.  - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 parent 6fd0862
History
Tip revision: a7f2d7865720ff13d5b0f2a3bb1fd80dc3d7a73f authored by Alexis Dambricourt on 14 December 2015, 14:39:34 UTC
KVM: MTRR: fix fixed MTRR segment look up
Tip revision: a7f2d78

back to top