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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2019-11-13 15:47:06 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-11-13 15:47:06 +0100 |
| commit | 13fb59276b47db556370bba53b5b55f3849dd8c9 (patch) | |
| tree | efe502b1e3302e2e0930a96830217984e76be3b5 /tools/testing/selftests/kvm | |
| parent | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (diff) | |
| download | linux-dev-13fb59276b47db556370bba53b5b55f3849dd8c9.tar.xz linux-dev-13fb59276b47db556370bba53b5b55f3849dd8c9.zip | |
kvm: x86: disable shattered huge page recovery for PREEMPT_RT.
If a huge page is recovered (and becomes no executable) while another
thread is executing it, the resulting contention on mmu_lock can cause
latency spikes. Disabling recovery for PREEMPT_RT kernels fixes this
issue.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm')
0 files changed, 0 insertions, 0 deletions