linux-kernel - Re: [PATCH v8 09/14] lockdep: Apply crossrelease to completions

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Date:   Wed, 9 Aug 2017 11:51:07 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Byungchul Park <byungchul.park@....com>
Cc:     mingo@...nel.org, tglx@...utronix.de, walken@...gle.com,
        boqun.feng@...il.com, kirill@...temov.name,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        akpm@...ux-foundation.org, willy@...radead.org, npiggin@...il.com,
        kernel-team@....com
Subject: Re: [PATCH v8 09/14] lockdep: Apply crossrelease to completions

On Mon, Aug 07, 2017 at 04:12:56PM +0900, Byungchul Park wrote:
> +static inline void wait_for_completion(struct completion *x)
> +{
> +	complete_acquire(x);
> +	__wait_for_completion(x);
> +	complete_release(x);
> +}
> +
> +static inline void wait_for_completion_io(struct completion *x)
> +{
> +	complete_acquire(x);
> +	__wait_for_completion_io(x);
> +	complete_release(x);
> +}
> +
> +static inline int wait_for_completion_interruptible(struct completion *x)
> +{
> +	int ret;
> +	complete_acquire(x);
> +	ret = __wait_for_completion_interruptible(x);
> +	complete_release(x);
> +	return ret;
> +}
> +
> +static inline int wait_for_completion_killable(struct completion *x)
> +{
> +	int ret;
> +	complete_acquire(x);
> +	ret = __wait_for_completion_killable(x);
> +	complete_release(x);
> +	return ret;
> +}

I don't understand, why not change __wait_for_common() ?