linux-kernel - Re: [RFC PATCH 4/4] x86: according to nr_cpu_ids to decide if need to leave logical flat

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Date:	Tue, 12 Jan 2010 00:50:52 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Suresh Siddha <suresh.b.siddha@...el.com>,
	"ananth@...ibm.com" <ananth@...ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 4/4] x86: according to nr_cpu_ids to decide if need to 
	leave logical flat

On Mon, Jan 11, 2010 at 7:20 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
>
> On Mon, 11 Jan 2010, Yinghai Lu wrote:
>> +
>> +void default_setup_apic_routing(void)
>
> Good cleanup, makes x86-64 and x86-32 look similar. However, you should
> mark it __init too, I think, to match the current probe_64.c thing.
>
> Also, what about the default_setup_apic_routing() call in
> arch/x86/kernel/apic/apic.c? Is that not ripe for unification too now? You
> only did the smpboot.c one, not the APIC_init_uniprocessor() one.
>
that was intentionally. because one cpu, don't need to switch to bigsmp..

will make the change to that to make them consistent.

YH
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