Reviewed-by: Jeff Fan <[email protected]> Ray,thank you find/fix this issue!
发自我的 iPhone > 在 2018年1月5日，下午5:08，Ruiyu Ni <[email protected]> 写道： > > When SourceLevelDebug is enabled, AP randomly executes the DXECORE > timer handler logic. The root cause is the interrupts are not > masked in AP wake up procedure. > > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Ruiyu Ni <[email protected]> > Cc: Jeff Fan <[email protected]> > --- > UefiCpuPkg/Library/MpInitLib/MpLib.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c > b/UefiCpuPkg/Library/MpInitLib/MpLib.c > index 0c2058a7b0..1a6cdb678e 100644 > --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c > +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c > @@ -1,7 +1,7 @@ > /** @file > CPU MP Initialize Library common functions. > > - Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR> > + Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR> > This program and the accompanying materials > are licensed and made available under the terms and conditions of the BSD > License > which accompanies this distribution. The full text of the license may be > found at > @@ -582,6 +582,10 @@ ApWakeupFunction ( > // We need to re-initialize them at here > // > ProgramVirtualWireMode (); > + // > + // Mask the LINT0 and LINT1 so that AP doesn't enter the system timer > interrupt handler. > + // > + DisableLvtInterrupts (); > SyncLocalApicTimerSetting (CpuMpData); > > CurrentApicMode = GetApicMode (); > -- > 2.15.1.windows.2 > _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
