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authorJeremy Fitzhardinge <jeremy@goop.org>2008-03-17 16:37:19 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-24 23:57:32 +0200
commitee8fa1c67f0b873a324960f0ca9fa1d7e49aa86b (patch)
tree82b011027eea390ed345cb73a95dcf8962f030d0 /arch/x86/xen
parentee523ca1e456d754d66be6deab910131e4e1dbf8 (diff)
xen: make sure retriggered events are set pending
retrigger_dynirq() was incomplete, and didn't properly set the event to be pending again. It doesn't seem to actually get used. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/events.c8
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;
}