diff options
| -rw-r--r-- | arch/x86/xen/events.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/xen/events.c b/arch/x86/xen/events.c index 0140981e93c4..f73b53bd65b7 100644 --- a/arch/x86/xen/events.c +++ b/arch/x86/xen/events.c @@ -601,10 +601,16 @@ static void ack_dynirq(unsigned int irq) static int retrigger_dynirq(unsigned int irq) { int evtchn = evtchn_from_irq(irq); + struct shared_info *sh = HYPERVISOR_shared_info; int ret = 0; if (VALID_EVTCHN(evtchn)) { - set_evtchn(evtchn); + int masked; + + masked = sync_test_and_set_bit(evtchn, sh->evtchn_mask); + sync_set_bit(evtchn, sh->evtchn_pending); + if (!masked) + unmask_evtchn(evtchn); ret = 1; } |