diff options
| author | Olof Johansson <olof@lixom.net> | 2013-08-04 13:19:05 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-08-04 13:19:05 -0700 |
| commit | 6a33fc8cacfc7fac829c72bd321868be7e72f609 (patch) | |
| tree | ca8572f214a30c4743b731b4ab2809a980b78369 /arch/x86/kvm/mmu.c | |
| parent | 3bd957978bb50390bb07678bc4c125989e9a81a2 (diff) | |
| parent | 2746a7c272a3242f919fa2fd5a5f2d9f8a41173a (diff) | |
Merge tag 'fixes-non-3.12' of git://git.infradead.org/linux-mvebu into next/fixes-non-critical
From Jason Cooper:
mvebu fixes-non-critical for v3.12
- dove
- fix section mismatch (all callers are already _init, so it's just a space
issue)
* tag 'fixes-non-3.12' of git://git.infradead.org/linux-mvebu:
ARM: dove: fix missing __init section of dove_mpp_gpio_mode
+ Linux 3.11-rc2
Signed-off-by: Olof Johansson <olof@lixom.net>
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. |