Message-ID: <47BF90C6.5020906@zytor.com>
Date: Fri, 22 Feb 2008 19:19:34 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Matt Mackall <mpm@selenic.com>
CC: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
       Linux-tiny@selenic.com, Andrew Morton <akpm@linux-foundation.org>,
       linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
       Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [RFC] [PATCH] x86: Use ELF section to list CPU vendor specific
 code (Linux Tiny)
References: <200802082347.25364.michael-lists@free-electrons.com>	 <20080208231130.GA10511@elte.hu>	 <200802112342.23493.michael-lists@free-electrons.com>	 <1202770566.12383.59.camel@cinder.waste.org> <47B0D3B7.6070308@zytor.com>	 <1202772532.12383.67.camel@cinder.waste.org> <47B0EE46.6050208@zytor.com>	 <20080215120023.252647bd@crazy> <1203734617.14838.169.camel@cinder.waste.org>
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Matt Mackall wrote:
> 
> This is not quite what Peter and I were thinking of, I think. It's not
> at all generic. How about a section that simply contains a set of
> function pointers, a macro to add things to that section, and a function
> that calls all the pointers in that section. Eg:
> 
> CALLBACK_SECTION(init_cpu_amd, "cpuvendor.init");
> invoke_callback_section("cpuvendor.init");
> 
> ..which would give us a generic facility we could use in various places.
> 

Indeed, we already have enough instances of this kind of stuff.

	-hpa
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