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| author | Gui Jianfeng <guijianfeng@cn.fujitsu.com> | 2010-06-07 02:32:29 (GMT) |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-01 07:46:04 (GMT) |
| commit | b9d762fa79f541ab480cdb733b46fdb0b4471c2d (patch) | |
| tree | 58b1a1934b6759b6c279b2c8b8cee3f09cff8abd /arch/x86/kvm | |
| parent | 0671a8e75d8aeb33e15c5152147abb0d2fa0c1e6 (diff) | |
| download | linux-b9d762fa79f541ab480cdb733b46fdb0b4471c2d.tar.xz | |
KVM: VMX: Add all-context INVVPID type support
Add all-context INVVPID type support.
Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 9452653..622d83b 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -365,6 +365,11 @@ static inline bool cpu_has_vmx_invvpid_single(void) return vmx_capability.vpid & VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT; } +static inline bool cpu_has_vmx_invvpid_global(void) +{ + return vmx_capability.vpid & VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT; +} + static inline bool cpu_has_vmx_ept(void) { return vmcs_config.cpu_based_2nd_exec_ctrl & @@ -513,6 +518,20 @@ static inline void vpid_sync_vcpu_all(struct vcpu_vmx *vmx) __invvpid(VMX_VPID_EXTENT_SINGLE_CONTEXT, vmx->vpid, 0); } +static inline void vpid_sync_vcpu_global(void) +{ + if (cpu_has_vmx_invvpid_global()) + __invvpid(VMX_VPID_EXTENT_ALL_CONTEXT, 0, 0); +} + +static inline void vpid_sync_context(struct vcpu_vmx *vmx) +{ + if (cpu_has_vmx_invvpid_single()) + vpid_sync_vcpu_all(vmx); + else + vpid_sync_vcpu_global(); +} + static inline void ept_sync_global(void) { if (cpu_has_vmx_invept_global()) @@ -1800,7 +1819,7 @@ static void exit_lmode(struct kvm_vcpu *vcpu) static void vmx_flush_tlb(struct kvm_vcpu *vcpu) { - vpid_sync_vcpu_all(to_vmx(vcpu)); + vpid_sync_context(to_vmx(vcpu)); if (enable_ept) ept_sync_context(construct_eptp(vcpu->arch.mmu.root_hpa)); } @@ -2756,7 +2775,7 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu) vmx_fpu_activate(&vmx->vcpu); update_exception_bitmap(&vmx->vcpu); - vpid_sync_vcpu_all(vmx); + vpid_sync_context(vmx); ret = 0; |