linux-kernel - Re: [PATCH] [IA64] Include kexec.h in arch/ia64/kernel/process.c

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Date:	Thu, 8 Feb 2007 11:19:03 +0900
From:	Horms <horms@...ge.net.au>
To:	"Luck, Tony" <tony.luck@...el.com>
Cc:	linux-ia64@...r.kernel.org, linux-kernel@...r.kernel.org,
	fastboot@...ts.osdl.org, "Zou, Nanhai" <nanhai.zou@...el.com>,
	Khalid Aziz <khalid_aziz@...com>,
	Adrian Bunk <trivial@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Magnus Damm <magnus.damm@...il.com>
Subject: Re: [PATCH] [IA64] Include kexec.h in arch/ia64/kernel/process.c

On Wed, Feb 07, 2007 at 09:07:40AM -0800, Luck, Tony wrote:
> > kexec.h is needed by arch/ia64/kernel/process.c so for the
> > declaration of kexec_disable_iosapic() which is used in
> > machine_shutdown().
> 
> > +#include <asm/kexec.h>
> 
> I merged this into your earlier change (moving machine_shutdown() into
> process.c).  Linus pulled it last night.

Thanks

> I also added a "#ifdef CONFIG_KEXEC" around the call to
> kexec_disable_iosapic() (because I first noticed that this was
> undefined when building non-KEXEC kernels).  But perhaps it might have
> been better to #define an empty stub for this function inside kexec.h
> for the #ifndef CONFIG_KEXEC case?

Good catch :)

I think that #define in the process.c vs an empty stub inside
asm/kexec.h is really a style issue. I'm quite ok with things
the way they are. But If you are more comfortable with the stub
approach, I have no objections.

-- 
Horms
  H: http://www.vergenet.net/~horms/
  W: http://www.valinux.co.jp/en/

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