linux-kernel - Re: x86: A fast way to check capabilities of the current cpu

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Message-ID: <20110121174817.GM2832@htj.dyndns.org>
Date:	Fri, 21 Jan 2011 18:48:17 +0100
From:	Tejun Heo <tj@...nel.org>
To:	Christoph Lameter <cl@...ux.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Pekka Enbeerg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org,
	Eric Dumazet <eric.dumazet@...il.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	akpm@...ux-foundation.org
Subject: Re: x86: A fast way to check capabilities of the current cpu

On Fri, Jan 21, 2011 at 11:46:04AM -0600, Christoph Lameter wrote:
> > Oh, you're right.  Sorry about that.  Can you please then add a
> > comment noting that the operation is x86 only?  Maybe prefix it with
> > x86_?
> 
> For a function defined in an specific include file and only used in arch
> specific code?

Hmm?  asm/percpu.h gets included by linux/percpu.h, so it would end up
in most .c files.

Thanks.

-- 
tejun
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