linux-kernel - Re: sparc: bpf_jit: Rename jump labels in bpf_jit

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Message-ID: <1473175773.8300.6.camel@perches.com>
Date:   Tue, 06 Sep 2016 08:29:33 -0700
From:   Joe Perches <joe@...ches.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Jean Delvare <jdelvare@...e.de>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        Jonathan Corbet <corbet@....net>,
        David Miller <davem@...emloft.net>, sparclinux@...r.kernel.org,
        Adam Buchbinder <adam.buchbinder@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Rabin Vincent <rabin@....in>, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>,
        Paolo Bonzini <pbonzini@...hat.com>, linux-doc@...r.kernel.org
Subject: Re: sparc: bpf_jit: Rename jump labels in bpf_jit_compile()

On Tue, 2016-09-06 at 16:47 +0200, Peter Zijlstra wrote:
> On Tue, Sep 06, 2016 at 04:34:13PM +0200, Jean Delvare wrote:
> > > [diff "default"]
> > >         xfuncname = "^[[:alpha:]$_].*[^:]$"
> > OK, I see. As mentioned somewhere else, it fails for labels which have
> > comments. 
> Heh, There's labels that have comments?

Only a few dozen.

The pattern with the perl-like $_ took me a depressingly
long time to parse followed by a self forehead slap.