[PERF]: Optimize nested interrupt cases (where a pending interrupt exists at the...

[reactos.git] / reactos / ntoskrnl / ke / time.c

diff --git a/reactos/ntoskrnl/ke/time.c b/reactos/ntoskrnl/ke/time.c
index 17488ac..11fca02 100644 (file)
--- a/reactos/ntoskrnl/ke/time.c
+++ b/reactos/ntoskrnl/ke/time.c
@@ -112,6 +112,9 @@ KeUpdateSystemTime(IN PKTRAP_FRAME TrapFrame,
         Prcb->InterruptCount++;
     }
     
+    /* Save the nested trap frame address */
+    KeGetPcr()->VdmAlert = (ULONG_PTR)TrapFrame;
+    
     /* Disable interrupts and end the interrupt */
     _disable();
     HalEndSystemInterrupt(Irql, CLOCK2_LEVEL);