KVM: VMX: Use kvm_mmu_page_fault() handle EPT violation mmio
Removed duplicated code.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 509b353..cb27ffc 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3058,11 +3058,8 @@
static int handle_ept_violation(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
u64 exit_qualification;
- enum emulation_result er;
gpa_t gpa;
- unsigned long hva;
int gla_validity;
- int r;
exit_qualification = vmcs_read64(EXIT_QUALIFICATION);
@@ -3085,32 +3082,7 @@
}
gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);
- hva = gfn_to_hva(vcpu->kvm, gpa >> PAGE_SHIFT);
- if (!kvm_is_error_hva(hva)) {
- r = kvm_mmu_page_fault(vcpu, gpa & PAGE_MASK, 0);
- if (r < 0) {
- printk(KERN_ERR "EPT: Not enough memory!\n");
- return -ENOMEM;
- }
- return 1;
- } else {
- /* must be MMIO */
- er = emulate_instruction(vcpu, kvm_run, 0, 0, 0);
-
- if (er == EMULATE_FAIL) {
- printk(KERN_ERR
- "EPT: Fail to handle EPT violation vmexit!er is %d\n",
- er);
- printk(KERN_ERR "EPT: GPA: 0x%lx, GVA: 0x%lx\n",
- (long unsigned int)vmcs_read64(GUEST_PHYSICAL_ADDRESS),
- (long unsigned int)vmcs_read64(GUEST_LINEAR_ADDRESS));
- printk(KERN_ERR "EPT: Exit qualification is 0x%lx\n",
- (long unsigned int)exit_qualification);
- return -ENOTSUPP;
- } else if (er == EMULATE_DO_MMIO)
- return 0;
- }
- return 1;
+ return kvm_mmu_page_fault(vcpu, gpa & PAGE_MASK, 0);
}
static int handle_nmi_window(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)