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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>
This commit is contained in:
Sheng Yang 2009-02-11 13:50:40 +08:00 committed by Avi Kivity
parent 79950e1073
commit 49cd7d2238
1 changed files with 1 additions and 29 deletions
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30
arch/x86/kvm/vmx.c
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@ -3058,11 +3058,8 @@ static int handle_task_switch(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
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 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
}
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)