Edk2 style doesn't initialize the local variable value in its declaration. 
Could you update this patch to separately set ProcessorFlags value?

Thanks
Liming
> -----Original Message-----
> From: edk2-devel [mailto:[email protected]] On Behalf Of 
> Anthony PERARD
> Sent: Thursday, July 19, 2018 10:58 PM
> To: [email protected]
> Cc: Anthony PERARD <[email protected]>; Laszlo Ersek 
> <[email protected]>; Dong, Eric <[email protected]>
> Subject: [edk2] [PATCH] UefiCpuPkg/MpInitLib: Fix build of Microcode
> 
> On Debian Jessie, this fail to build with:
> 
> /build/UefiCpuPkg/Library/MpInitLib/Microcode.c: In function 
> 'MicrocodeDetect':
> /build/UefiCpuPkg/Library/MpInitLib/Microcode.c:248:37: error: 
> 'ProcessorFlags' may be used uninitialized in this function
> [-Werror=maybe-uninitialized]
>      CpuMpData->ProcessorFlags       = ProcessorFlags;
>                                      ^
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Anthony PERARD <[email protected]>
> ---
>  UefiCpuPkg/Library/MpInitLib/Microcode.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/UefiCpuPkg/Library/MpInitLib/Microcode.c 
> b/UefiCpuPkg/Library/MpInitLib/Microcode.c
> index efda143e67..60cf8bf409 100644
> --- a/UefiCpuPkg/Library/MpInitLib/Microcode.c
> +++ b/UefiCpuPkg/Library/MpInitLib/Microcode.c
> @@ -60,7 +60,7 @@ MicrocodeDetect (
>    BOOLEAN                                 CorrectMicrocode;
>    VOID                                    *MicrocodeData;
>    MSR_IA32_PLATFORM_ID_REGISTER           PlatformIdMsr;
> -  UINT32                                  ProcessorFlags;
> +  UINT32                                  ProcessorFlags = 0;
>    UINT32                                  ThreadId;
> 
>    if (CpuMpData->MicrocodePatchRegionSize == 0) {
> --
> Anthony PERARD
> 
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