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| author | Mark Brown <broonie@linaro.org> | 2013-08-22 11:09:03 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-08-22 11:09:03 +0100 |
| commit | 64393c6e647c8a791243063d282c787b46721be7 (patch) | |
| tree | 89ca12bd5d52e8df24d2bc13a36d30479a4e825d /arch/x86/kvm/mmu.c | |
| parent | a2388a498ad2f85be01aca29e364abf427d9b53c (diff) | |
| parent | 741a509f34d8d702f70d0ad99b8152c57d76961e (diff) | |
| download | op-kernel-dev-64393c6e647c8a791243063d282c787b46721be7.zip op-kernel-dev-64393c6e647c8a791243063d282c787b46721be7.tar.gz | |
Merge remote-tracking branch 'asoc/topic/ac97' into asoc-fsl
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 0d094da..9e9285a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2811,6 +2811,13 @@ exit: static bool page_fault_can_be_fast(struct kvm_vcpu *vcpu, u32 error_code) { /* + * Do not fix the mmio spte with invalid generation number which + * need to be updated by slow page fault path. + */ + if (unlikely(error_code & PFERR_RSVD_MASK)) + return false; + + /* * #PF can be fast only if the shadow page table is present and it * is caused by write-protect, that means we just need change the * W bit of the spte which can be done out of mmu-lock. |
