[win-pv-devel] [PATCH] Don't call DbgPrint (or variants) from an event channel callback

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

Windows debug primitives will IPI so it's not a good idea to use them
from within an interrupt handler which may get called at HIGH_LEVEL.

Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
 src/xeniface/ioctl_evtchn.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/xeniface/ioctl_evtchn.c b/src/xeniface/ioctl_evtchn.c
index 5fb8bec..b9b0e27 100644
--- a/src/xeniface/ioctl_evtchn.c
+++ b/src/xeniface/ioctl_evtchn.c
@@ -84,10 +84,7 @@ EvtchnInterruptHandler(
     KeGetCurrentProcessorNumberEx(&ProcNumber);
     ProcIndex = KeGetProcessorIndexFromNumber(&ProcNumber);
 
-    if (!KeInsertQueueDpc(&Context->Dpc, NULL, NULL)) {
-        XenIfaceDebugPrint(TRACE, "NOT INSERTED: Context %p, Port %lu, FO %p, 
Cpu %lu\n",
-                           Context, Context->LocalPort, Context->FileObject, 
ProcIndex);
-    }
+    (VOID) KeInsertQueueDpc(&Context->Dpc, NULL, NULL);
 
     return TRUE;
 }
-- 
2.5.3


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