Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <[email protected]>
---
UefiCpuPkg/CpuDxe/CpuMp.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/UefiCpuPkg/CpuDxe/CpuMp.c b/UefiCpuPkg/CpuDxe/CpuMp.c
index 950db38..ba62aea 100644
--- a/UefiCpuPkg/CpuDxe/CpuMp.c
+++ b/UefiCpuPkg/CpuDxe/CpuMp.c
@@ -1231,6 +1231,7 @@ CheckAllAPsStatus (
{
CPU_DATA_BLOCK *CpuData;
UINTN Number;
+ EFI_STATUS Status;
if (mMpSystemData.TimeoutActive) {
mMpSystemData.Timeout -= gPollInterval;
@@ -1240,6 +1241,16 @@ CheckAllAPsStatus (
return;
}
+ //
+ // avoid next timer enter.
+ //
+ Status = gBS->SetTimer (
+ mMpSystemData.CheckAllAPsEvent,
+ TimerCancel,
+ 0
+ );
+ ASSERT_EFI_ERROR (Status);
+
if (mMpSystemData.WaitEvent != NULL) {
CheckAndUpdateAllAPsToIdleState ();
//
@@ -1254,13 +1265,15 @@ CheckAllAPsStatus (
}
if (mMpSystemData.FinishCount != mMpSystemData.StartCount) {
- return;
+ goto EXIT;
}
mMpSystemData.TimeoutActive = FALSE;
gBS->SignalEvent (mMpSystemData.WaitEvent);
mMpSystemData.WaitEvent = NULL;
mStopCheckAllAPsStatus = TRUE;
+
+ goto EXIT;
}
//
@@ -1286,6 +1299,14 @@ CheckAllAPsStatus (
CheckThisAPStatus (NULL, (VOID *)CpuData);
}
}
+
+EXIT:
+ Status = gBS->SetTimer (
+ mMpSystemData.CheckAllAPsEvent,
+ TimerPeriodic,
+ EFI_TIMER_PERIOD_MICROSECONDS (100)
+ );
+ ASSERT_EFI_ERROR (Status);
}
/**
--
1.9.3
------------------------------------------------------------------------------
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