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Date: Fri, 21 Jan 2011 19:12:50 +0100
From: Tejun Heo <tj@kernel.org>
To: Christoph Lameter <cl@linux.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Pekka Enbeerg <penberg@cs.helsinki.fi>,
        linux-kernel@vger.kernel.org, Eric Dumazet <eric.dumazet@gmail.com>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        akpm@linux-foundation.org
Subject: Re: x86: A fast way to check capabilities of the current cpu
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On Fri, Jan 21, 2011 at 11:57:09AM -0600, Christoph Lameter wrote:
> > Hmm?  asm/percpu.h gets included by linux/percpu.h, so it would end up
> > in most .c files.
> 
> The function is defined in arch/x86/include/asm/percpu.h. At least my
> patches here are that way.
> 
> #include "asm/percpu.h" will get you include/asm-generic/percpu.h on
> other arches.

Yeah, I was referring to generic code having visibility to the x86
specific this_cpu op which isn't available on other archs.  I don't
feel too strong about it so if you don't like it, just add a comment.

Thanks.

-- 
tejun