From: Christoph Lameter <cl@linux.com>
Date: Mon, 6 Dec 2010 17:39:59 +0000 (-0600)
Subject: percpu: Generic support for this_cpu_add, sub, dec, inc_return
X-Git-Tag: v2.6.38-rc1~455^2~15^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a663ffff1d2e94a7c549a37d08ed9169ce83bdd6;p=pandora-kernel.git

percpu: Generic support for this_cpu_add, sub, dec, inc_return

Introduce generic support for this_cpu_add_return etc.

The fallback is to realize these operations with simpler __this_cpu_ops.

tj: - Reformatted __cpu_size_call_return2() to make it more consistent
      with its neighbors.
    - Dropped unnecessary temp variable ret__ from
      __this_cpu_generic_add_return().

Reviewed-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

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