If guest indicates that it can handle async pf in kernel mode too send
it, but only if interrupts are enabled.

Signed-off-by: Gleb Natapov <[email protected]>
---
 arch/x86/kvm/x86.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index cad4412..30b1cd1 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6244,7 +6244,8 @@ void kvm_arch_async_page_not_present(struct kvm_vcpu 
*vcpu,
                kvm_add_async_pf_gfn(vcpu, work->arch.gfn);
 
                if (!(vcpu->arch.apf.msr_val & KVM_ASYNC_PF_ENABLED) ||
-                   kvm_x86_ops->get_cpl(vcpu) == 0)
+                   (vcpu->arch.apf.send_user_only &&
+                    kvm_x86_ops->get_cpl(vcpu) == 0))
                        vcpu->arch.mp_state = KVM_MP_STATE_HALTED;
                else if (!apf_put_user(vcpu, KVM_PV_REASON_PAGE_NOT_PRESENT)) {
                        vcpu->arch.fault.error_code = 0;
-- 
1.7.1

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to