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Date: Fri, 21 Jan 2011 17:34:54 +0100
From: Tejun Heo <tj@kernel.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>, Christoph Lameter <cl@linux.com>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
        Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [cpuops cmpxchg double V2 1/4] Generic support for
 this_cpu_cmpxchg_double
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On Fri, Jan 21, 2011 at 08:30:41AM -0800, H. Peter Anvin wrote:
> There is a technical argument: any noninline version will have
> actual code overhead.

But the type checking and all those stuff have to be macros anyway.
If out-of-line implementation is necessary, it can take whatever
parameter to optimize performance from the frontend macro.

Thanks.

-- 
tejun