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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2011-03-09 10:43:51 +0300 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2011-03-17 19:08:35 +0300 |
| commit | 0f53b5b1c0baae4f949ac0721a55b7a2158dda01 (patch) | |
| tree | 822b7230ed0d9731492733d33ad2221cb644bdf2 /arch/x86/include | |
| parent | 5d163b1c9d6e5562dcdfd6cd471f237f1502bb35 (diff) | |
| download | linux-0f53b5b1c0baae4f949ac0721a55b7a2158dda01.tar.xz | |
KVM: MMU: cleanup pte write path
This patch does:
- call vcpu->arch.mmu.update_pte directly
- use gfn_to_pfn_atomic in update_pte path
The suggestion is from Avi.
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index f08314f303e0..c8af0991fdf0 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -255,6 +255,8 @@ struct kvm_mmu { int (*sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp); void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva); + void (*update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, + u64 *spte, const void *pte, unsigned long mmu_seq); hpa_t root_hpa; int root_level; int shadow_root_level; @@ -335,11 +337,6 @@ struct kvm_vcpu_arch { u64 *last_pte_updated; gfn_t last_pte_gfn; - struct { - pfn_t pfn; /* pfn corresponding to that gfn */ - unsigned long mmu_seq; - } update_pte; - struct fpu guest_fpu; u64 xcr0; |