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


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#94843): https://edk2.groups.io/g/devel/message/94843
Mute This Topic: https://groups.io/mt/93948933/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-


Reply via email to