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KVM: VMX: introduce __vmx_flush_tlb to handle specific vpid

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Introduce __vmx_flush_tlb() to handle specific vpid.

Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Wanpeng Li 2015-09-23 18:26:57 +08:00 committed by Paolo Bonzini
parent 991e7a0eed
commit dd5f5341a3
1 changed files with 13 additions and 8 deletions
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21
arch/x86/kvm/vmx.c
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@ -1392,13 +1392,13 @@ static void loaded_vmcs_clear(struct loaded_vmcs *loaded_vmcs)
__loaded_vmcs_clear, loaded_vmcs, 1);
}
static inline void vpid_sync_vcpu_single(struct vcpu_vmx *vmx)
static inline void vpid_sync_vcpu_single(int vpid)
{
if (vmx->vpid == 0)
if (vpid == 0)
return;
if (cpu_has_vmx_invvpid_single())
__invvpid(VMX_VPID_EXTENT_SINGLE_CONTEXT, vmx->vpid, 0);
__invvpid(VMX_VPID_EXTENT_SINGLE_CONTEXT, vpid, 0);
}
static inline void vpid_sync_vcpu_global(void)
@ -1407,10 +1407,10 @@ static inline void vpid_sync_vcpu_global(void)
__invvpid(VMX_VPID_EXTENT_ALL_CONTEXT, 0, 0);
}
static inline void vpid_sync_context(struct vcpu_vmx *vmx)
static inline void vpid_sync_context(int vpid)
{
if (cpu_has_vmx_invvpid_single())
vpid_sync_vcpu_single(vmx);
vpid_sync_vcpu_single(vpid);
else
vpid_sync_vcpu_global();
}
@ -3563,9 +3563,9 @@ static void exit_lmode(struct kvm_vcpu *vcpu)
#endif
static void vmx_flush_tlb(struct kvm_vcpu *vcpu)
static inline void __vmx_flush_tlb(struct kvm_vcpu *vcpu, int vpid)
{
vpid_sync_context(to_vmx(vcpu));
vpid_sync_context(vpid);
if (enable_ept) {
if (!VALID_PAGE(vcpu->arch.mmu.root_hpa))
return;
@ -3573,6 +3573,11 @@ static void vmx_flush_tlb(struct kvm_vcpu *vcpu)
}
}
static void vmx_flush_tlb(struct kvm_vcpu *vcpu)
{
__vmx_flush_tlb(vcpu, to_vmx(vcpu)->vpid);
}
static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu)
{
ulong cr0_guest_owned_bits = vcpu->arch.cr0_guest_owned_bits;
@ -4915,7 +4920,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
vmx_fpu_activate(vcpu);
update_exception_bitmap(vcpu);
vpid_sync_context(vmx);
vpid_sync_context(vmx->vpid);
}
/*