linux-kernel - Re: [PATCH 1/2] nfit: Use init_completion() in acpi_nfit_flush

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Date:   Thu, 24 Aug 2017 15:07:42 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Boqun Feng <boqun.feng@...il.com>
cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, walken@...gle.com,
        Byungchul Park <byungchul.park@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Andrew Morton <akpm@...ux-foundation.org>, willy@...radead.org,
        Nicholas Piggin <npiggin@...il.com>, kernel-team@....com,
        Dan Williams <dan.j.williams@...el.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, linux-nvdimm@...ts.01.org,
        linux-acpi@...r.kernel.org
Subject: Re: [PATCH 1/2] nfit: Use init_completion() in
 acpi_nfit_flush_probe()

On Wed, 23 Aug 2017, Boqun Feng wrote:

> There is no need to use COMPLETION_INITIALIZER_ONSTACK() in
> acpi_nfit_flush_probe(), replace it with init_completion().

You completely fail to explain WHY.

Thanks,

	tglx

 
> Signed-off-by: Boqun Feng <boqun.feng@...il.com>
> ---
>  drivers/acpi/nfit/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
> index 19182d091587..1893e416e7c0 100644
> --- a/drivers/acpi/nfit/core.c
> +++ b/drivers/acpi/nfit/core.c
> @@ -2884,7 +2884,7 @@ static int acpi_nfit_flush_probe(struct nvdimm_bus_descriptor *nd_desc)
>  	 * need to be interruptible while waiting.
>  	 */
>  	INIT_WORK_ONSTACK(&flush.work, flush_probe);
> -	COMPLETION_INITIALIZER_ONSTACK(flush.cmp);
> +	init_completion(&flush.cmp);
>  	queue_work(nfit_wq, &flush.work);
>  	mutex_unlock(&acpi_desc->init_mutex);
>  
> -- 
> 2.14.1
> 
>