linux-kernel - Re: [PATCH] x86: don't compile vsmp

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Message-ID: <20090325223642.GK7278@localdomain>
Date:	Wed, 25 Mar 2009 15:36:42 -0700
From:	Ravikiran G Thirumalai <kiran@...lex86.org>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	shai@...lex86.org
Subject: Re: [PATCH] x86: don't compile vsmp_64 for 32bit

On Wed, Mar 25, 2009 at 03:16:14PM -0700, Jeremy Fitzhardinge wrote:
> Ravikiran G Thirumalai wrote:
>> It is already there, and has been there!  But we still need to make
>> vsmp64.c compile only when CONFIG_X86_64 is defined no?
>>   
>
> I still think you should restructure it so that vsmp_64.c only gets 
> compiled with CONFIG_X86_VSMP enabled.  Having all that stuff compiled into 
> every kernel seems pretty pointless.
>

Well, not everything gets compiled in.  Only the is_vsmp_box() logic and
related stuff gets compiled in.  Other paravirt related stuff in vsmp64.c
depends on CONFIG_PARAVIRT.

Thanks,
Kiran
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