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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2011-09-22 10:56:06 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-12-27 10:16:54 +0100 |
| commit | 505aef8f30a95f7e4abf2c07e54ded1521587ba0 (patch) | |
| tree | 47b4c515c5782cbb3428437b4c7c820a7956c312 /arch/x86/kvm/mmu.c | |
| parent | KVM: MMU: do not mark accessed bit on pte write path (diff) | |
| download | linux-505aef8f30a95f7e4abf2c07e54ded1521587ba0.tar.xz linux-505aef8f30a95f7e4abf2c07e54ded1521587ba0.zip | |
KVM: MMU: cleanup FNAME(invlpg)
Directly Use mmu_page_zap_pte to zap spte in FNAME(invlpg), also remove the
same code between FNAME(invlpg) and FNAME(sync_page)
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index b432a71a1839..d15f908649e7 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1809,7 +1809,7 @@ static void validate_direct_spte(struct kvm_vcpu *vcpu, u64 *sptep, } } -static void mmu_page_zap_pte(struct kvm *kvm, struct kvm_mmu_page *sp, +static bool mmu_page_zap_pte(struct kvm *kvm, struct kvm_mmu_page *sp, u64 *spte) { u64 pte; @@ -1817,17 +1817,21 @@ static void mmu_page_zap_pte(struct kvm *kvm, struct kvm_mmu_page *sp, pte = *spte; if (is_shadow_present_pte(pte)) { - if (is_last_spte(pte, sp->role.level)) + if (is_last_spte(pte, sp->role.level)) { drop_spte(kvm, spte); - else { + if (is_large_pte(pte)) + --kvm->stat.lpages; + } else { child = page_header(pte & PT64_BASE_ADDR_MASK); drop_parent_pte(child, spte); } - } else if (is_mmio_spte(pte)) + return true; + } + + if (is_mmio_spte(pte)) mmu_spte_clear_no_track(spte); - if (is_large_pte(pte)) - --kvm->stat.lpages; + return false; } static void kvm_mmu_page_unlink_children(struct kvm *kvm, |