linux-kernel - Re: [5/6] x86: kgdb support

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Date:	Sun, 10 Feb 2008 08:33:01 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@....com.au>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Wessel <jason.wessel@...driver.com>
Subject: Re: [5/6] x86: kgdb support

On Sun, Feb 10, 2008 at 08:13:45AM +0100, Ingo Molnar wrote:
> From: Ingo Molnar <mingo@...e.hu>
> 
> simplified and streamlined kgdb support on x86, both 32-bit and 64-bit,
> based on patch from:
> 
>   Subject: kgdb: core-lite
>   From: Jason Wessel <jason.wessel@...driver.com>
> 
> [ and countless other authors - see the patch for details. ]
> 
> Signed-off-by: Ingo Molnar <mingo@...e.hu>
> Reviewed-by: Thomas Gleixner <tglx@...utronix.de>
> ---
>  arch/x86/Kconfig         |    4 
>  arch/x86/kernel/Makefile |    1 
>  arch/x86/kernel/kgdb.c   |  550 +++++++++++++++++++++++++++++++++++++++++++++++
>  include/asm-x86/kgdb.h   |   87 +++++++
>  4 files changed, 642 insertions(+)
> 
> Index: linux-kgdb.q/arch/x86/Kconfig
> ===================================================================
> --- linux-kgdb.q.orig/arch/x86/Kconfig
> +++ linux-kgdb.q/arch/x86/Kconfig
> @@ -14,6 +14,7 @@ config X86_32
>  
>  config X86_64
>  	def_bool 64BIT
> +	select KGDB_ARCH_HAS_SHADOW_INFO
>  
>  ### Arch settings
>  config X86
> @@ -139,6 +140,9 @@ config AUDIT_ARCH
>  config ARCH_SUPPORTS_AOUT
>  	def_bool y
>  
> +config ARCH_SUPPORTS_KGDB
> +	def_bool y
> +

Please use the documented HAVE_ approach and not this
ugly "one variable per arch" idiom.
This was also commented last time the patchset were posted.

	Sam
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