Revision: 17022
http://sourceforge.net/p/edk2/code/17022
Author: vanjeff
Date: 2015-03-09 06:38:16 +0000 (Mon, 09 Mar 2015)
Log Message:
-----------
UefiCpuPkg/MpService: put AP to busy state when execution
CpuState should follow the process?
Idle -> Ready -> Busy -> Finished
^ |
| |
+ - - - - - - - - - - - - +
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <[email protected]>
Reviewed-by: Jeff Fan <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Modified Paths:
--------------
trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c
Modified: trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c 2015-03-09 06:37:32 UTC (rev
17021)
+++ trunk/edk2/UefiCpuPkg/CpuDxe/CpuMp.c 2015-03-09 06:38:16 UTC (rev
17022)
@@ -1176,11 +1176,14 @@
}
//
- // Avoid forcibly reset AP caused the AP State is not updated.
+ // Avoid forcibly reset AP caused the timeout AP State is not
+ // updated.
//
GetMpSpinLock (CpuData);
+ if (CpuData->State == CpuStateBusy) {
+ CpuData->Procedure = NULL;
+ }
CpuData->State = CpuStateIdle;
- CpuData->Procedure = NULL;
ReleaseMpSpinLock (CpuData);
while (TRUE) {
@@ -1190,6 +1193,8 @@
ReleaseMpSpinLock (CpuData);
if (Procedure != NULL) {
+ SetApState (CpuData, CpuStateBusy);
+
Procedure (ProcedureArgument);
GetMpSpinLock (CpuData);
------------------------------------------------------------------------------
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