linux-kernel - Re: [tip:perf/urgent] perf/x86/intel: Mark expected switch fall-throughs

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Message-ID: <201907251627.5DA61CB@keescook>
Date:   Thu, 25 Jul 2019 16:28:31 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>, hpa@...or.com,
        tglx@...utronix.de, mingo@...nel.org, gustavo@...eddedor.com,
        torvalds@...ux-foundation.org, acme@...nel.org,
        kan.liang@...ux.intel.com, namhyung@...nel.org, jolsa@...hat.com,
        linux-kernel@...r.kernel.org, alexander.shishkin@...ux.intel.com,
        linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/urgent] perf/x86/intel: Mark expected switch
 fall-throughs

On Thu, Jul 25, 2019 at 04:18:56PM -0700, Joe Perches wrote:
> On Thu, 2019-07-25 at 19:35 +0200, Peter Zijlstra wrote:
> > Seriously though; I detest these patches and we really, as in _really_
> > should have done that attribute thing.
> 
> At least it'll be fairly easy to convert to something
> sensible later.
> 
> Variants of the equivalent of:
> 
> s@/* fallthrough */@...lthrough;@
> 
> with some trivial whitespace reformatting will read
> _much_ better.
> 
> It's pretty scriptable.

Yup; that's been my perspective. First let's finish markings (so so
close right now), then we can do the next phase.

-- 
Kees Cook