linux-kernel - Re: general protection fault in perf_misc

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Message-ID: <20200922192934.GR22660@zn.tnic>
Date:   Tue, 22 Sep 2020 21:29:34 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        syzbot <syzbot+ce179bc99e64377c24bc@...kaller.appspotmail.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>, Jiri Olsa <jolsa@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        the arch/x86 maintainers <x86@...nel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: general protection fault in perf_misc_flags

On Tue, Sep 22, 2020 at 11:56:04AM -0700, Nick Desaulniers wrote:
> > Gnight and good luck.
> 
> Ah, that's a famous quote from journalist Edward R Murrow, who helped
> defeat Senator Joseph McCarthy (Murrow's show See It Now dedicated a
> segment to addressing McCarthy).

Good. Finally someone has recognized this - I use it from time to time
in mails but no one would pick up on it!

And how relevant it is again...

https://www.youtube.com/watch?v=vEvEmkMNYHY

> Sometimes I fund uncanny parallels between claims of what a compiler
> can do on LKML "without proper regard for evidence" and McCarthyism.
> Falsifiability is an interesting trait. That's why I try to advocate
> for sharing links from godbolt.org as much as possible.

LOL. Good one. :-)

I'll take a look at the rest of your reply tomorrow because brain is
fried for today.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette