Base on UEFI spec requirement, StartAllAPs function should not use the APs which has been disabled before. This patch just change current code to follow this rule.
Cc: Laszlo Ersek <[email protected]> Cc: Ruiyu Ni <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Eric Dong <[email protected]> --- UefiCpuPkg/Library/MpInitLib/MpLib.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c index 0e57cc86bf..69f69f2b79 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -1008,8 +1008,8 @@ WakeUpAP ( if (Broadcast) { for (Index = 0; Index < CpuMpData->CpuCount; Index++) { - if (Index != CpuMpData->BspNumber) { - CpuData = &CpuMpData->CpuData[Index]; + CpuData = &CpuMpData->CpuData[Index]; + if (Index != CpuMpData->BspNumber && (GetApState (CpuData) != CpuStateDisabled)) { CpuData->ApFunction = (UINTN) Procedure; CpuData->ApFunctionArgument = (UINTN) ProcedureArgument; SetApState (CpuData, CpuStateReady); -- 2.15.0.windows.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
