回复: [edk2-devel] [PATCH EDK2 v1 1/1] MdeModulePkg/DxeCorePerformanceLib:Variable Initial

["gaoliming" <gaoliming@byosoft.com.cn>]

Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

> -----邮件原件-----
> 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 wenyi,xie via
> groups.io
> 发送时间: 2021年11月30日 9:51
> 收件人: devel@edk2.groups.io; jian.j.wang@intel.com;
> gaoliming@byosoft.com.cn; dandan.bi@intel.com
> 抄送: songdongkuang@huawei.com; xiewenyi2@huawei.com
> 主题: [edk2-devel] [PATCH EDK2 v1 1/1]
> MdeModulePkg/DxeCorePerformanceLib:Variable Initial
> 
> SmmBootRecordDataSize is initialized in InternalGetSmmPerData,
> but this function may fail. so to avoid using SmmBootRecordDataSize
> without intialization, set it to 0 at first.
> 
> Cc: Jian J Wang <jian.j.wang@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Dandan Bi <dandan.bi@intel.com>
> Signed-off-by: Wenyi Xie <xiewenyi2@huawei.com>
> ---
>  MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.c
> | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git
> a/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.
> c
> b/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.
> c
> index 532b3f8c90e2..f8778c25188a 100644
> ---
> a/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.
> c
> +++
> b/MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.
> c
> @@ -1373,6 +1373,8 @@ UpdateBootPerformanceTable (
>    UINTN                            AppendSize;
>    UINT8                            *FirmwarePerformanceTablePtr;
> 
> +  SmmBootRecordDataSize = 0;
> +
>    //
>    // Get SMM performance data.
>    //
> --
> 2.20.1.windows.1
> 
> 
> 
> 
>