[Xen-devel] [PATCH KERNEL] xen/events: use xen_vcpu_id mapping for EVTCHNOP_status

[Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>]

EVTCHNOP_status hypercall returns Xen's idea of vcpu id so we need to
compare it against xen_vcpu_id mapping, not the Linux cpu id.

Suggested-by: Radim Krcmar <rkrcmar@xxxxxxxxxx>
Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
---
 drivers/xen/events/events_base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 9ecfcdc..137bd0e 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -948,7 +948,7 @@ static int find_virq(unsigned int virq, unsigned int cpu)
                        continue;
                if (status.status != EVTCHNSTAT_virq)
                        continue;
-               if (status.u.virq == virq && status.vcpu == cpu) {
+               if (status.u.virq == virq && status.vcpu == xen_vcpu_nr(cpu)) {
                        rc = port;
                        break;
                }
-- 
2.7.4


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