From: Xie XiuQi <xiexiuqi@huawei.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Sheng Yang <sheng@linux.intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Jens Axboe <jens.axboe@oracle.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] generic-ipi: Fix misleading smp_call_function_any() description
Date: Mon, 19 Aug 2013 09:47:02 +0800 [thread overview]
Message-ID: <52117916.80107@huawei.com> (raw)
In-Reply-To: <51F5E6F8.1000801@huawei.com>
Cc: Ingo Molnar <mingo@elte.hu>
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@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>
> ---
> 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
>
next prev parent reply other threads:[~2013-08-19 1:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-29 3:52 Xie XiuQi
2013-08-19 1:47 ` Xie XiuQi [this message]
2013-08-19 9:55 ` [tip:core/locking] generic-ipi/locking: " tip-bot for Xie XiuQi
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