linux-kernel - Re: [PATCH v3 09/11] Input: alps - remove unlikely() from IS

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Message-ID: <e1713d4e-c12e-8925-a93a-50da560c6c13@linux.com>
Date:   Sat, 31 Aug 2019 18:50:34 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-kernel@...r.kernel.org, Joe Perches <joe@...ches.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-input@...r.kernel.org
Subject: Re: [PATCH v3 09/11] Input: alps - remove unlikely() from IS_ERR*()
 condition

On 31.08.2019 18:25, Pali Rohár wrote:
> On Thursday 29 August 2019 10:50:39 Dmitry Torokhov wrote:
>> On Thu, Aug 29, 2019 at 07:50:23PM +0300, Denis Efremov wrote:
>>> "unlikely(IS_ERR_OR_NULL(x))" is excessive. IS_ERR_OR_NULL() already uses
>>> unlikely() internally.
>>
>> The keyword here is _internally_.
>>
>> https://lore.kernel.org/lkml/20190821174857.GD76194@dtor-ws/
>>
>> So please no.
> 
> Dmitry and I already rejected this patch, see also linked-list:
> https://lore.kernel.org/lkml/20190820111719.7blyk5jstgwde2ae@pali/
>

Looks like this is a very long recurring story with this patch.
Thanks, for the clarification.

Regards,
Denis