linux-kernel - Re: [PATCH v2] scripts: coccinelle: check for !(un)?likely usage

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Message-ID: <d2f8cd31-f317-1b28-fb0a-bfb2cf689181@linux.com>
Date:   Thu, 29 Aug 2019 20:13:05 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     linux-kernel@...r.kernel.org, cocci@...teme.lip6.fr
Cc:     Julia Lawall <Julia.Lawall@...6.fr>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Michal Marek <michal.lkml@...kovi.net>,
        Markus Elfring <Markus.Elfring@....de>,
        Joe Perches <joe@...ches.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: Re: [PATCH v2] scripts: coccinelle: check for !(un)?likely usage

On 8/29/19 8:10 PM, Denis Efremov wrote:
> This patch adds coccinelle script for detecting !likely and
> !unlikely usage. These notations are confusing. It's better
> to replace !likely(x) with unlikely(!x) and !unlikely(x) with
> likely(!x) for readability.

I'm not sure that this rule deserves the acceptance.
Just to want to be sure that "!unlikely(x)" and "!likely(x)"
are hard-readable is not only my perception and that they
become more clear in form "likely(!x)" and "unlikely(!x)" too.

Thanks,
Denis