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-rw-r--r--arch/x86/kvm/x86.c23
1 files changed, 1 insertions, 22 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d4aa7dc662d5..b9a5ff7b922c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -10427,13 +10427,6 @@ static int apf_put_user(struct kvm_vcpu *vcpu, u32 val)
sizeof(val));
}
-static int apf_get_user(struct kvm_vcpu *vcpu, u32 *val)
-{
-
- return kvm_read_guest_cached(vcpu->kvm, &vcpu->arch.apf.data, val,
- sizeof(u32));
-}
-
static bool kvm_can_deliver_async_pf(struct kvm_vcpu *vcpu)
{
if (!vcpu->arch.apf.delivery_as_pf_vmexit && is_guest_mode(vcpu))
@@ -10498,7 +10491,6 @@ void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
struct kvm_async_pf *work)
{
struct x86_exception fault;
- u32 val;
if (work->wakeup_all)
work->arch.token = ~0; /* broadcast wakeup */
@@ -10507,19 +10499,7 @@ void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
trace_kvm_async_pf_ready(work->arch.token, work->cr2_or_gpa);
if (vcpu->arch.apf.msr_val & KVM_ASYNC_PF_ENABLED &&
- !apf_get_user(vcpu, &val)) {
- if (val == KVM_PV_REASON_PAGE_NOT_PRESENT &&
- vcpu->arch.exception.pending &&
- vcpu->arch.exception.nr == PF_VECTOR &&
- !apf_put_user(vcpu, 0)) {
- vcpu->arch.exception.injected = false;
- vcpu->arch.exception.pending = false;
- vcpu->arch.exception.nr = 0;
- vcpu->arch.exception.has_error_code = false;
- vcpu->arch.exception.error_code = 0;
- vcpu->arch.exception.has_payload = false;
- vcpu->arch.exception.payload = 0;
- } else if (!apf_put_user(vcpu, KVM_PV_REASON_PAGE_READY)) {
+ !apf_put_user(vcpu, KVM_PV_REASON_PAGE_READY)) {
fault.vector = PF_VECTOR;
fault.error_code_valid = true;
fault.error_code = 0;
@@ -10527,7 +10507,6 @@ void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
fault.address = work->arch.token;
fault.async_page_fault = true;
kvm_inject_page_fault(vcpu, &fault);
- }
}
vcpu->arch.apf.halted = false;
vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;