linux-kernel - Re: [PATCH] Revert x86: add lapic_shutdown for x86

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Message-ID: <alpine.LFD.0.9999.0710300203040.3186@localhost.localdomain>
Date:	Tue, 30 Oct 2007 02:06:43 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
cc:	Arjan van de Ven <arjan@...radead.org>, vgoyal@...ibm.com,
	hbabu@...ibm.com, linux-kernel@...r.kernel.org,
	kexec@...ts.infradead.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] Revert x86: add lapic_shutdown for x86_64

On Mon, 29 Oct 2007, Hiroshi Shimamoto wrote:

> Arjan van de Ven wrote:
> > On Mon, 29 Oct 2007 15:39:46 -0700
> > Hiroshi Shimamoto <h-shimamoto@...jp.nec.com> wrote:
> > 
> >> lapic_shutdown is useless on x86_64.
> >>
> > 
> > .... but since the goal is to get apic_32.c and apic_64.c to be more
> > converging (to the point of becoming the same file)... isn't your patch
> > going in the opposite direction?
> > 
> Hmm, I'm not sure that this revert affects x86 unification.
> Vivek said that probably we don't have to introduce lapic_shutdown() for 64bit.
> So I submitted this patch which reverts my previous post, it was applied before
> the comment.

Don't worry, we sort this out. There is some inevitable friction loss
for now, but we are getting closer. I gave the apic code some care to
get a readable diff out of it. Result is in:

git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git cleanup

Thanks,

	tglx
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