Reviewed-by: Ray Ni <ray...@intel.com> > -----Original Message----- > From: Li, Zhihao <zhihao...@intel.com> > Sent: Tuesday, September 27, 2022 8:58 PM > To: devel@edk2.groups.io > Cc: Dong, Eric <eric.d...@intel.com>; Ni, Ray <ray...@intel.com> > Subject: [PATCH v1 1/1] UefiCpuPkg: Reset a parameter when BSP Exit in > CPU relaxed mode. > > From: Zhihao Li <zhihao...@intel.com> > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4083 > > In CPU relaxed mode, it doesn't reset the value of > mSmmMpSyncData->AllApArrivedWithException when BSP exit smm mode. > So this patch will reset this variable. > > Cc: Eric Dong <eric.d...@intel.com> > Cc: Ray Ni <ray...@intel.com> > > Signed-off-by: Zhihao Li <zhihao...@intel.com> > --- > UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c > b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c > index 13c2cb8da4c3..c79da418e37c 100644 > --- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c > +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c > @@ -696,8 +696,9 @@ BSPHandler ( > // > > // Allow APs to check in from this point on > > // > > - *mSmmMpSyncData->Counter = 0; > > - *mSmmMpSyncData->AllCpusInSync = FALSE; > > + *mSmmMpSyncData->Counter = 0; > > + *mSmmMpSyncData->AllCpusInSync = FALSE; > > + mSmmMpSyncData->AllApArrivedWithException = FALSE; > > } > > > > /** > > -- > 2.26.2.windows.1
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