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| author | Xiao Guangrong <guangrong.xiao@linux.intel.com> | 2016-02-24 17:51:07 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-03-03 14:36:19 +0100 |
| commit | 547ffaed871af7db8713972eaf630802cac47cb1 (patch) | |
| tree | 1086c772bac3fae58199f4ee2f9148e83ae19224 /arch/x86/kvm/mmu.h | |
| parent | 92f94f1e9e509caa564353c516c904278999e350 (diff) | |
| download | linux-547ffaed871af7db8713972eaf630802cac47cb1.tar.bz2 | |
KVM: MMU: introduce kvm_mmu_gfn_{allow,disallow}_lpage
Abstract the common operations from account_shadowed() and
unaccount_shadowed(), then introduce kvm_mmu_gfn_disallow_lpage()
and kvm_mmu_gfn_allow_lpage()
These two functions will be used by page tracking in the later patch
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.h')
| -rw-r--r-- | arch/x86/kvm/mmu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 55ffb7b0f95e..de92bed207f1 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -174,4 +174,7 @@ static inline bool permission_fault(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, void kvm_mmu_invalidate_zap_all_pages(struct kvm *kvm); void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end); + +void kvm_mmu_gfn_disallow_lpage(struct kvm_memory_slot *slot, gfn_t gfn); +void kvm_mmu_gfn_allow_lpage(struct kvm_memory_slot *slot, gfn_t gfn); #endif |