KVM: VMX: remove unneeded vmx_load_host_state() calls.
Gleb Natapov [Thu, 17 Nov 2011 08:56:09 +0000 (10:56 +0200)]
vmx_load_host_state() does not handle msrs switching (except
MSR_KERNEL_GS_BASE) since commit 26bb0981b3f. Remove call to it
where it is no longer make sense.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch/x86/kvm/vmx.c

index 6e28d58..ba24022 100644 (file)
@@ -1747,7 +1747,6 @@ static void setup_msrs(struct vcpu_vmx *vmx)
        int save_nmsrs, index;
        unsigned long *msr_bitmap;
 
-       vmx_load_host_state(vmx);
        save_nmsrs = 0;
 #ifdef CONFIG_X86_64
        if (is_long_mode(&vmx->vcpu)) {
@@ -2142,12 +2141,10 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata)
                        return 1;
                /* Otherwise falls through */
        default:
-               vmx_load_host_state(to_vmx(vcpu));
                if (vmx_get_vmx_msr(vcpu, msr_index, pdata))
                        return 0;
                msr = find_msr_entry(to_vmx(vcpu), msr_index);
                if (msr) {
-                       vmx_load_host_state(to_vmx(vcpu));
                        data = msr->data;
                        break;
                }
@@ -2171,7 +2168,6 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data)
 
        switch (msr_index) {
        case MSR_EFER:
-               vmx_load_host_state(vmx);
                ret = kvm_set_msr_common(vcpu, msr_index, data);
                break;
 #ifdef CONFIG_X86_64
@@ -2220,7 +2216,6 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data)
                        break;
                msr = find_msr_entry(vmx, msr_index);
                if (msr) {
-                       vmx_load_host_state(vmx);
                        msr->data = data;
                        break;
                }