linux-kernel - Re: [PATCH] cpumask: add a few comments of cpumask functions

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Date:	Fri, 13 Jul 2012 15:37:56 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Alex Shi <alex.shi@...el.com>
Cc:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	rusty@...tcorp.com.au, paul.gortmaker@...driver.com,
	kosaki.motohiro@...fujitsu.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpumask: add a few comments of cpumask functions

On Mon, 28 May 2012 22:23:51 +0800
Alex Shi <alex.shi@...el.com> wrote:

> Current few cpumask functions' purposes are not quite clear. Stupid
> user like myself need to dig into details for clear function
> purpose and return value.
> Add few explanation for them is helpful.
> 

It appears that Rusty has applied at least some of this patch to
linux-next.  Without reading it ;)

> --- a/include/linux/cpumask.h
> +++ b/include/linux/cpumask.h
> @@ -271,6 +271,7 @@ static inline void cpumask_clear_cpu(int cpu, struct cpumask *dstp)
>   * cpumask_test_cpu - test for a cpu in a cpumask
>   * @cpu: cpu number (< nr_cpu_ids)
>   * @cpumask: the cpumask pointer
> + * Returns 1 if the 'cpu' is in the old bitmap of 'cpumask', otherwise returns 0

In kerneldoc we refer to function arguments by prefixing them with a
'@', not by surrounding them with single quotes.  So this should be

* Returns 1 if @cpu is in the old bitmap of @cpumask, otherwise returns 0


And the same applies to the other comments.  So can you please grab the
latest linux-next, prepare a fixup patch and also check that the patch
is complete - not all of your changes have been applied.

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