linux-kernel - Re: [thisops uV2 04/10] x86: Support for this_cpu_add,sub,dec,inc

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Message-ID: <AANLkTinQ9_WdZAfyTLKhvP47tRnYABjEtTOVByhn1QZo@mail.gmail.com>
Date:	Sat, 27 Nov 2010 10:06:36 +0200
From:	Pekka Enberg <penberg@...nel.org>
To:	Christoph Lameter <cl@...ux.com>
Cc:	akpm@...ux-foundation.org, Pekka Enberg <penberg@...helsinki.fi>,
	linux-kernel@...r.kernel.org,
	Eric Dumazet <eric.dumazet@...il.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Tejun Heo <tj@...nel.org>
Subject: Re: [thisops uV2 04/10] x86: Support for this_cpu_add,sub,dec,inc_return

On Fri, Nov 26, 2010 at 11:09 PM, Christoph Lameter <cl@...ux.com> wrote:
> @@ -300,6 +339,14 @@ do {                                                                       \
>  #define irqsafe_cpu_xor_2(pcp, val)    percpu_to_op("xor", (pcp), val)
>  #define irqsafe_cpu_xor_4(pcp, val)    percpu_to_op("xor", (pcp), val)
>
> +#ifndef CONFIG_M386

Use CONFIG_X86_32 here?

> +#define __this_cpu_add_return_1(pcp, val)      percpu_add_return_op((pcp), val)
> +#define __this_cpu_add_return_2(pcp, val)      percpu_add_return_op((pcp), val)
> +#define __this_cpu_add_return_4(pcp, val)      percpu_add_return_op((pcp), val)
> +#define this_cpu_add_return_1(pcp, val)                percpu_add_return_op((pcp), val)
> +#define this_cpu_add_return_2(pcp, val)                percpu_add_return_op((pcp), val)
> +#define this_cpu_add_return_4(pcp, val)                percpu_add_return_op((pcp), val)
> +#endif
>  /*
>  * Per cpu atomic 64 bit operations are only available under 64 bit.
>  * 32 bit must fall back to generic operations.
--
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