diff options
| author | Radim Krčmář <rkrcmar@redhat.com> | 2017-11-29 22:23:41 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-12-14 09:26:42 +0100 |
| commit | 2a140f3b6e23a309453b6f68709a50ece543f0f4 (patch) | |
| tree | 43238968c23a24ead1f0c0ff568f5e7d978c7511 /arch/hexagon/kernel/dma.c | |
| parent | 0d37d26f11bc1c0085d0c89ba603e3bb2c7f7076 (diff) | |
KVM: x86: prevent MWAIT in guest with buggy MONITOR
The bug prevents MWAIT from waking up after a write to the monitored
cache line.
KVM might emulate a CPU model that shouldn't have the bug, so the guest
would not employ a workaround and possibly miss wakeups.
Better to avoid the situation.
Reviewed-by: Alexander Graf <agraf@suse.de>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/hexagon/kernel/dma.c')
0 files changed, 0 insertions, 0 deletions