Reviewed-by: Ruiyu Ni <ruiyu...@intel.com> Thanks/Ray
> -----Original Message----- > From: Dong, Eric > Sent: Wednesday, August 30, 2017 10:22 AM > To: edk2-devel@lists.01.org > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Ni, Ruiyu > <ruiyu...@intel.com> > Subject: [Patch] UefiCpuPkg/Mplib.c: Perform complete initialization when > enable AP. > > PI has description said If an AP is enabled, then the implementation must > guarantee that a complete initialization sequence is performed on the AP, so > the AP is in a state that is compatible with an MP operating system. > Current implementation just set the AP to idle state when enable this AP > which is not follow spec. This patch fix it. > > Cc: Michael Kinney <michael.d.kin...@intel.com> > Cc: Ruiyu Ni <ruiyu...@intel.com> > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Eric Dong <eric.d...@intel.com> > --- > UefiCpuPkg/Library/MpInitLib/MpLib.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c > b/UefiCpuPkg/Library/MpInitLib/MpLib.c > index 8394572..924b909 100644 > --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c > +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c > @@ -1814,7 +1814,7 @@ EnableDisableApWorker ( > if (!EnableAP) { > SetApState (&CpuMpData->CpuData[ProcessorNumber], > CpuStateDisabled); > } else { > - SetApState (&CpuMpData->CpuData[ProcessorNumber], CpuStateIdle); > + ResetProcessorToIdleState (ProcessorNumber); > } > > if (HealthFlag != NULL) { > -- > 2.7.0.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel