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generic-ipi/locking: Fix misleading smp_call_function_any() description

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Fix locking description: after commit 8969a5ede0
("generic-ipi: remove kmalloc()"), wait = 0 can be guaranteed
because we don't kmalloc() anymore.

Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Cc: Sheng Yang <sheng@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Link: http://lkml.kernel.org/r/51F5E6F8.1000801@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Xie XiuQi 2013-07-29 11:52:24 +08:00 committed by Ingo Molnar
parent 41e85ce822
commit 15e71911fc
1 changed files with 0 additions and 2 deletions
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kernel/smp.c
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@ -278,8 +278,6 @@ EXPORT_SYMBOL(smp_call_function_single);
* @wait: If true, wait until function has completed.
*
* Returns 0 on success, else a negative status code (if no cpus were online).
* Note that @wait will be implicitly turned on in case of allocation failures,
* since we fall back to on-stack allocation.
*
* Selection preference:
* 1) current cpu if in @mask