linux-kernel - Re: [PATCH 5/24] smp x86 consolidation

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Message-ID: <4735098B.7040305@redhat.com>
Date:	Fri, 09 Nov 2007 23:29:47 -0200
From:	Glauber de Oliveira Costa <gcosta@...hat.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	linux-kernel@...r.kernel.org, lguest@...abs.org,
	kvm-devel@...ts.sourceforge.net, ak@...e.de,
	virtualization@...ts.linux-foundation.org, chrisw@...s-sol.org,
	tglx@...utronix.de, anthony@...emonkey.ws,
	akpm@...ux-foundation.org, mingo@...e.hu
Subject: Re: [PATCH 5/24] smp x86 consolidation

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Jeremy Fitzhardinge escreveu:
> Glauber de Oliveira Costa wrote:
>> This patch consolidates part of the pieces of smp for both architectures.
>> (i386 and x86_64). It makes part the calls go through smp_ops, and shares
>> code for those functions in smpcommon.c
>>
>> There's more room for code sharing here, but it is left as an exercise to
>> the reader ;-)
>>   
> 
> I'm getting link errors in 32-bit:
> 
> arch/x86/kernel/built-in.o: In function `native_smp_send_reschedule':
> /home/jeremy/hg/xen/paravirt/linux/arch/x86/kernel/smpcommon.c:262: undefined reference to `genapic'
> arch/x86/kernel/built-in.o: In function `native_smp_call_function_mask':
> /home/jeremy/hg/xen/paravirt/linux/arch/x86/kernel/smpcommon.c:113: undefined reference to `genapic'
> 
Ok, it compiled just fine here. I bet it's due to  one of that i386 lots
of variants.
Which subarchitecture are you compiling for, jeremy ?
>     J

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