linux-kernel - Re: [PATCH 2/6] x86: apic

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Date:	Sat, 16 Aug 2008 13:00:08 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	"Maciej W. Rozycki" <macro@...ux-mips.org>
Cc:	Cyrill Gorcunov <gorcunov@...il.com>, mingo@...e.hu, hpa@...or.com,
	tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] x86: apic - unify lapic_resume

On Sat, 16 Aug 2008 20:52:07 +0100 (BST)
"Maciej W. Rozycki" <macro@...ux-mips.org> wrote:

> On Sat, 16 Aug 2008, Cyrill Gorcunov wrote:
> 
> > +#ifdef CONFIG_X86_64
> > +	if (x2apic)
> > +		enable_x2apic();
> > +	else
> > +#endif
> 
>  Hmm, x86-64 hardware can run a 32-bit kernel, so it might be a good
> idea to take the opportunity of the merge and extend x2APIC support
> to the 32-bit configuration too.  It should be mostly a mechanical
> change.  Just a suggestion though -- feel free to ignore if you'd
> rather not dive into it. ;)

it's not like you can/want to go over 128 cpus on a 32 bit kernel
though..
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