linux-kernel - Re: [PATCH] x86: remove obsolete comment in uapi/e820.h

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Message-ID: <1408566324.26863.14.camel@rzwisler-mobl1.amr.corp.intel.com>
Date:	Wed, 20 Aug 2014 14:25:24 -0600
From:	Ross Zwisler <ross.zwisler@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Subject: Re: [PATCH] x86: remove obsolete comment in uapi/e820.h

On Mon, 2014-05-19 at 11:50 -0600, Ross Zwisler wrote:
> A comment introduced by this commit:
> 
> 028b785888c5 x86 boot: extend some internal memory map arrays to handle
> 	larger EFI input
> 
> had to do with some nested preprocessor directives.  The directives were
> split into separate files by this commit:
> 
> af170c5061dd  UAPI: (Scripted) Disintegrate arch/x86/include/asm
> 
> The comment explaining their interaction was retained and is now present
> in arch/x86/include/uapi/asm/e820.h.  This comment is no longer correct,
> so delete it.
> 
> Signed-off-by: Ross Zwisler <ross.zwisler@...ux.intel.com>
> 
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: x86@...nel.org
> ---
>  arch/x86/include/uapi/asm/e820.h | 5 -----
>  1 file changed, 5 deletions(-)
> 
> diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h
> index bbae024..d993e33 100644
> --- a/arch/x86/include/uapi/asm/e820.h
> +++ b/arch/x86/include/uapi/asm/e820.h
> @@ -21,11 +21,6 @@
>   * this size.
>   */
>  
> -/*
> - * Odd: 'make headers_check' complains about numa.h if I try
> - * to collapse the next two #ifdef lines to a single line:
> - *	#if defined(__KERNEL__) && defined(CONFIG_EFI)
> - */
>  #ifndef __KERNEL__
>  #define E820_X_MAX E820MAX
>  #endif

Ping.  :)


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