KVM: Replace read accesses of vcpu->arch.cr0 by an accessor
Since we'd like to allow the guest to own a few bits of cr0 at times, we need
to know when we access those bits.
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 7e8faea..0f89e32 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1515,7 +1515,7 @@
/* syscall is not available in real mode */
if (c->lock_prefix || ctxt->mode == X86EMUL_MODE_REAL
- || !(ctxt->vcpu->arch.cr0 & X86_CR0_PE))
+ || !kvm_read_cr0_bits(ctxt->vcpu, X86_CR0_PE))
return -1;
setup_syscalls_segments(ctxt, &cs, &ss);
@@ -1569,7 +1569,7 @@
/* inject #GP if in real mode or paging is disabled */
if (ctxt->mode == X86EMUL_MODE_REAL ||
- !(ctxt->vcpu->arch.cr0 & X86_CR0_PE)) {
+ !kvm_read_cr0_bits(ctxt->vcpu, X86_CR0_PE)) {
kvm_inject_gp(ctxt->vcpu, 0);
return -1;
}
@@ -1635,7 +1635,7 @@
/* inject #GP if in real mode or paging is disabled */
if (ctxt->mode == X86EMUL_MODE_REAL
- || !(ctxt->vcpu->arch.cr0 & X86_CR0_PE)) {
+ || !kvm_read_cr0_bits(ctxt->vcpu, X86_CR0_PE)) {
kvm_inject_gp(ctxt->vcpu, 0);
return -1;
}