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authorVitaly Kuznetsov <vkuznets@redhat.com>2016-11-23 13:38:45 +0100
committerJuergen Gross <jgross@suse.com>2016-11-30 07:39:09 +0100
commitb36585a0a3c169612f3105139464a2da1d3ecc03 (patch)
tree2fa87938f0495196a37b78b55309085fca84b94d /drivers/xen/events
parentxen/gntdev: Use VM_MIXEDMAP instead of VM_IO to avoid NUMA balancing (diff)
downloadlinux-b36585a0a3c169612f3105139464a2da1d3ecc03.tar.xz
linux-b36585a0a3c169612f3105139464a2da1d3ecc03.zip
xen/events: use xen_vcpu_id mapping for EVTCHNOP_status
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@redhat.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen/events')
-rw-r--r--drivers/xen/events/events_base.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 9ecfcdcdd6d6..137bd0e799e7 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;
}