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| author | Rusty Russell <rusty@rustcorp.com.au> | 2013-08-09 13:00:39 +0930 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2013-08-09 13:00:39 +0930 |
| commit | 11489736177c5930514482b4db7af862d945335d (patch) | |
| tree | 8590ec4ba037b79c94982e15922fe50a1f0193a3 /arch/x86/kvm/mmu.c | |
| parent | 3f0d0c9b47e09d47fcb755fed786a1ee88e110b5 (diff) | |
| parent | 6c2580c501c660fdfb506061e016d84570fceba1 (diff) | |
| download | talos-op-linux-11489736177c5930514482b4db7af862d945335d.tar.gz talos-op-linux-11489736177c5930514482b4db7af862d945335d.zip | |
Merge branch 'master' into virtio-next
The next commit gets conflicts because it relies on patches which were
cc:stable and thus had to be merged into Linus' tree before the coming
merge window. So pull in master now.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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 0d094da49541..9e9285ae9b94 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. |
