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From: "Gao, Liming" <liming.gao@intel.com>
To: "Fan, Jeff" <jeff.fan@intel.com>,
	"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Cc: "Kinney, Michael D" <michael.d.kinney@intel.com>,
	"Tian, Feng" <feng.tian@intel.com>
Subject: Re: [[patch]] UefiCpuPkg/Cpuid: Remove wrong while-loop check after for-loop
Date: Fri, 14 Oct 2016 07:07:22 +0000	[thread overview]
Message-ID: <4A89E2EF3DFEDB4C8BFDE51014F606A14B493186@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <20161014070417.7992-1-jeff.fan@intel.com>

Reviewed-by: Liming Gao <liming.gao@intel.com>

> -----Original Message-----
> From: Fan, Jeff
> Sent: Friday, October 14, 2016 3:04 PM
> To: edk2-devel@lists.01.org
> Cc: Gao, Liming <liming.gao@intel.com>; Kinney, Michael D
> <michael.d.kinney@intel.com>; Tian, Feng <feng.tian@intel.com>
> Subject: [[patch]] UefiCpuPkg/Cpuid: Remove wrong while-loop check after
> for-loop
> 
> while-loop check should not co-exist with for-loop. This should be typo when
> we
> check-in the original code. We should keep one loop only.
> 
> This issue caused CLANG38 build failure reported by
> https://tianocore.acgmultimedia.com/show_bug.cgi?id=148
> 
> Contributed-under: TianoCore Contribution Agreement 1.0
> Cc: Liming Gao <liming.gao@intel.com>
> Cc: Michael Kinney <michael.d.kinney@intel.com>
> Cc: Feng Tian <feng.tian@intel.com>
> Signed-off-by: Jeff Fan <jeff.fan@intel.com>
> ---
>  UefiCpuPkg/Application/Cpuid/Cpuid.c | 3 +--
>  UefiCpuPkg/Include/Register/Cpuid.h  | 3 +--
>  2 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/UefiCpuPkg/Application/Cpuid/Cpuid.c
> b/UefiCpuPkg/Application/Cpuid/Cpuid.c
> index 8726a85..ac14c41 100644
> --- a/UefiCpuPkg/Application/Cpuid/Cpuid.c
> +++ b/UefiCpuPkg/Application/Cpuid/Cpuid.c
> @@ -617,8 +617,7 @@ CpuidStructuredExtendedFeatureFlags (
>        PRINT_BIT_FIELD (Ecx, PKU);
>        PRINT_BIT_FIELD (Ecx, OSPKE);
>      }
> -    SubLeaf++;
> -  } while (SubLeaf <= Eax);
> +  }
>  }
> 
>  /**
> diff --git a/UefiCpuPkg/Include/Register/Cpuid.h
> b/UefiCpuPkg/Include/Register/Cpuid.h
> index eb24840..864108d 100644
> --- a/UefiCpuPkg/Include/Register/Cpuid.h
> +++ b/UefiCpuPkg/Include/Register/Cpuid.h
> @@ -1275,8 +1275,7 @@ typedef union {
>        SubLeaf,
>        NULL, &Ebx.Uint32, &Ecx.Uint32, NULL
>        );
> -    SubLeaf++;
> -  } while (SubLeaf <= Eax);
> +  }
>    @endcode
>  **/
>  #define CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS                0x07
> --
> 2.9.3.windows.2



      reply	other threads:[~2016-10-14  7:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-14  7:04 [[patch]] UefiCpuPkg/Cpuid: Remove wrong while-loop check after for-loop Jeff Fan
2016-10-14  7:07 ` Gao, Liming [this message]

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