diff options
author | Avi Kivity <avi@qumranet.com> | 2007-11-21 01:57:59 +0100 |
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committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 16:53:10 +0100 |
commit | d835dfecd00fd770288dcd9a46c0e0966d526fdf (patch) | |
tree | 9e80c69f9024e45b39cf0d1eeda56ba4a57567a6 /drivers/kvm/x86.h | |
parent | KVM: MMU: Avoid unnecessary remote tlb flushes when guest updates a pte (diff) | |
download | linux-d835dfecd00fd770288dcd9a46c0e0966d526fdf.tar.xz linux-d835dfecd00fd770288dcd9a46c0e0966d526fdf.zip |
KVM: Don't bother the mmu if cr3 load doesn't change cr3
If the guest requests just a tlb flush, don't take the vm lock and
drop the mmu context pointlessly.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to '')
-rw-r--r-- | drivers/kvm/x86.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/kvm/x86.h b/drivers/kvm/x86.h index 71f2477d03fd..b1528c9f566f 100644 --- a/drivers/kvm/x86.h +++ b/drivers/kvm/x86.h @@ -299,6 +299,7 @@ int emulator_write_emulated(unsigned long addr, unsigned long segment_base(u16 selector); +void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu); void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, const u8 *new, int bytes); int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva); |