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Subject: (No Subject)
Author: zxcyui967@proton.me

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c
index 91fd3673c09a..e588a188f50a 100644
--- a/arch/x86/kvm/xen.c
+++ b/arch/x86/kvm/xen.c
@@ -126,23 +126,10 @@ static enum hrtimer_restart xen_timer_callback(struct hrtimer *timer)
{
struct kvm_vcpu *vcpu = container_of(timer, struct kvm_vcpu,
arch.xen.timer);
- struct kvm_xen_evtchn e;
- int rc;

if (atomic_read(&vcpu->arch.xen.timer_pending))
return HRTIMER_NORESTART;

- e.vcpu_id = vcpu->vcpu_id;
- e.vcpu_idx = vcpu->vcpu_idx;
- e.port = vcpu->arch.xen.timer_virq;
- e.priority = KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL;
-
- rc = kvm_xen_set_evtchn_fast(&e, vcpu->kvm);
- if (rc != -EWOULDBLOCK) {
- vcpu->arch.xen.timer_expires = 0;
- return HRTIMER_NORESTART;
- }
-
atomic_inc(&vcpu->arch.xen.timer_pending);
kvm_make_request(KVM_REQ_UNBLOCK, vcpu);
kvm_vcpu_kick(vcpu);
-- 2.43.0