x86: Support for this_cpu_add, sub, dec, inc_return

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Supply an implementation for x86 in order to generate more efficient code.

V2->V3:
	- Cleanup
	- Remove strange type checking from percpu_add_return_op.

tj: - Dropped unused typedef from percpu_add_return_op().
    - Renamed ret__ to paro_ret__ in percpu_add_return_op().
    - Minor indentation adjustments.

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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Christoph Lameter 2010-12-06 11:40:00 -06:00 • committed by Tejun Heo

parent a663ffff1d

commit 8f1d97c79e

1 changed files with 43 additions and 0 deletions

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arch/x86/include/asm/percpu.h

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