Re: [PATCH] generic-ipi: Fix misleading smp_call_function_any() description

From: Xie XiuQi
Date: Sun Aug 18 2013 - 21:47:20 EST


Cc: Ingo Molnar <mingo@xxxxxxx>

On 2013/7/29 11:52, Xie XiuQi wrote:
> After commit:8969a5ede0f9e17da4b943712429aef2c9bcd82b
> "generic-ipi: remove kmalloc()", wait = 0 can be guaranteed.
>
> Signed-off-by: Xie XiuQi <xiexiuqi@xxxxxxxxxx>
> Cc: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
> Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
> Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
> ---
> kernel/smp.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/kernel/smp.c b/kernel/smp.c
> index fe9f773..b1c9034 100644
> --- a/kernel/smp.c
> +++ b/kernel/smp.c
> @@ -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
>


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