linux-kernel - Re: [PATCH 25/33] x86, lmb: turn off ARCH_LMB_FIND

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Date:	Thu, 08 Apr 2010 09:38:54 +1000
From:	Michael Ellerman <michael@...erman.id.au>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 25/33] x86, lmb: turn off ARCH_LMB_FIND_AREA

On Tue, 2010-03-30 at 19:17 -0700, Yinghai Lu wrote:
> 32bit now can use generic __find_lmb_area now. So we can turn arch one off
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> ---
>  arch/x86/Kconfig |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 1aa53ae..ce097ab 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -584,7 +584,7 @@ config PARAVIRT_DEBUG
>  	  a paravirt_op is missing when it is called.
>  
>  config ARCH_LMB_FIND_AREA
> -	default y
> +	default n
>  	bool "Use x86 own lmb_find_area()"
>  	---help---
>  	  Use lmb_find_area() version instead of generic version, it get free

So can't the whole ARCH_LMB_FIND_AREA go away then? And the generic
version be made non-weak?

cheers

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