Commit f7eea636 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

KVM: nVMX: handle page fault in vmread



The implementation of vmread to memory is still incomplete, as it
lacks the ability to do vmread to I/O memory just like vmptrst.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent a7f89616
......@@ -4540,6 +4540,7 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
int len;
gva_t gva = 0;
struct vmcs12 *vmcs12;
struct x86_exception e;
short offset;
if (!nested_vmx_check_permission(vcpu))
......@@ -4588,7 +4589,8 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
vmx_instruction_info, true, len, &gva))
return 1;
/* _system ok, nested_vmx_check_permission has verified cpl=0 */
kvm_write_guest_virt_system(vcpu, gva, &field_value, len, NULL);
if (kvm_write_guest_virt_system(vcpu, gva, &field_value, len, &e))
kvm_inject_page_fault(vcpu, &e);
}
return nested_vmx_succeed(vcpu);
......
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