linux-kernel - Re: [RFC PATCH] compiler_attributes.h: Add 'fallthrough' pseudo keyword for switch/case use

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Message-ID: <201908151530.D4B1EF76AA@keescook>
Date:   Thu, 15 Aug 2019 15:31:27 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Joe Perches <joe@...ches.com>
Cc:     hpa@...or.com, Peter Zijlstra <peterz@...radead.org>,
        Pavel Machek <pavel@....cz>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "Gustavo A . R . Silva" <gustavo@...eddedor.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Shawn Landden <shawn@....icu>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] compiler_attributes.h: Add 'fallthrough' pseudo
 keyword for switch/case use

On Thu, Aug 15, 2019 at 11:15:53AM -0700, Kees Cook wrote:
> I want to recant my position on Coverity coverage being a requirement
> here. While I was originally concerned about suddenly adding thousands
> more warnings to Coverity scans (if it doesn't support the flag --
> I should know soon), it's been made clear to me we're now at the point

For the record, Coverity *does*[1] support the attribute flag.

-Kees

[1] This should be visible with a Coverity account:
    https://scan3.coverity.com/reports.htm#v39370/p12360/fileInstanceId=27181923&defectInstanceId=7915635&mergedDefectId=220491

-- 
Kees Cook