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authorAvi Kivity <avi@redhat.com>2010-08-02 15:30:20 +0300
committerAvi Kivity <avi@redhat.com>2011-05-11 07:56:54 -0400
commitf6e78475894d6534d7d62714a95e2265f53d2a92 (patch)
tree86250a469ccac50490a2d922ee2a1a2d0f5ea915 /arch/x86/kvm/svm.c
parent0ee8dcb87e403397e575674d0e79272b06dea12e (diff)
KVM: Use kvm_get_rflags() and kvm_set_rflags() instead of the raw versions
Some rflags bits are owned by the host, not guest, so we need to use kvm_get_rflags() to strip those bits away or kvm_set_rflags() to add them back. Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 6bb15d583e4..2a193222c98 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -975,7 +975,7 @@ static void init_vmcb(struct vcpu_svm *svm)
svm_set_efer(&svm->vcpu, 0);
save->dr6 = 0xffff0ff0;
save->dr7 = 0x400;
- save->rflags = 2;
+ kvm_set_rflags(&svm->vcpu, 2);
save->rip = 0x0000fff0;
svm->vcpu.arch.regs[VCPU_REGS_RIP] = save->rip;
@@ -2127,7 +2127,7 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
nested_vmcb->save.cr3 = kvm_read_cr3(&svm->vcpu);
nested_vmcb->save.cr2 = vmcb->save.cr2;
nested_vmcb->save.cr4 = svm->vcpu.arch.cr4;
- nested_vmcb->save.rflags = vmcb->save.rflags;
+ nested_vmcb->save.rflags = kvm_get_rflags(&svm->vcpu);
nested_vmcb->save.rip = vmcb->save.rip;
nested_vmcb->save.rsp = vmcb->save.rsp;
nested_vmcb->save.rax = vmcb->save.rax;
@@ -2184,7 +2184,7 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
svm->vmcb->save.ds = hsave->save.ds;
svm->vmcb->save.gdtr = hsave->save.gdtr;
svm->vmcb->save.idtr = hsave->save.idtr;
- svm->vmcb->save.rflags = hsave->save.rflags;
+ kvm_set_rflags(&svm->vcpu, hsave->save.rflags);
svm_set_efer(&svm->vcpu, hsave->save.efer);
svm_set_cr0(&svm->vcpu, hsave->save.cr0 | X86_CR0_PE);
svm_set_cr4(&svm->vcpu, hsave->save.cr4);
@@ -2312,7 +2312,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
hsave->save.efer = svm->vcpu.arch.efer;
hsave->save.cr0 = kvm_read_cr0(&svm->vcpu);
hsave->save.cr4 = svm->vcpu.arch.cr4;
- hsave->save.rflags = vmcb->save.rflags;
+ hsave->save.rflags = kvm_get_rflags(&svm->vcpu);
hsave->save.rip = kvm_rip_read(&svm->vcpu);
hsave->save.rsp = vmcb->save.rsp;
hsave->save.rax = vmcb->save.rax;
@@ -2323,7 +2323,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
copy_vmcb_control_area(hsave, vmcb);
- if (svm->vmcb->save.rflags & X86_EFLAGS_IF)
+ if (kvm_get_rflags(&svm->vcpu) & X86_EFLAGS_IF)
svm->vcpu.arch.hflags |= HF_HIF_MASK;
else
svm->vcpu.arch.hflags &= ~HF_HIF_MASK;
@@ -2341,7 +2341,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
svm->vmcb->save.ds = nested_vmcb->save.ds;
svm->vmcb->save.gdtr = nested_vmcb->save.gdtr;
svm->vmcb->save.idtr = nested_vmcb->save.idtr;
- svm->vmcb->save.rflags = nested_vmcb->save.rflags;
+ kvm_set_rflags(&svm->vcpu, nested_vmcb->save.rflags);
svm_set_efer(&svm->vcpu, nested_vmcb->save.efer);
svm_set_cr0(&svm->vcpu, nested_vmcb->save.cr0);
svm_set_cr4(&svm->vcpu, nested_vmcb->save.cr4);
@@ -3384,7 +3384,7 @@ static int svm_interrupt_allowed(struct kvm_vcpu *vcpu)
(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK))
return 0;
- ret = !!(vmcb->save.rflags & X86_EFLAGS_IF);
+ ret = !!(kvm_get_rflags(vcpu) & X86_EFLAGS_IF);
if (is_guest_mode(vcpu))
return ret && !(svm->vcpu.arch.hflags & HF_VINTR_MASK);