linux-kernel - Re: [PATCH v3] scripts: add script for translating stack dump function

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Message-ID: <CA+55aFy=doUjoJh7fKpevV-JvEYjvfV5ZdQav+yiFBwygZ-Pag@mail.gmail.com>
Date:   Mon, 19 Sep 2016 11:56:31 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Stephane Eranian <eranian@...gle.com>,
        Vince Weaver <vincent.weaver@...ne.edu>,
        LKML <linux-kernel@...r.kernel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Ingo Molnar <mingo@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Rabin Vincent <rabin@....in>,
        Vegard Nossum <vegard.nossum@...il.com>
Subject: Re: [PATCH v3] scripts: add script for translating stack dump function

On Mon, Sep 19, 2016 at 8:52 AM, Josh Poimboeuf <jpoimboe@...hat.com> wrote:
>
> One caveat with #5 (relative path names).  Looking at DW_AT_comp_dir
> wouldn't work, because that's the *object* directory, not the source
> directory.
>
> The only working (and fast) approach I could come up with was an ugly
> hack.  It assumes that start_kernel() is in init/main.c.

That sounds entirely reasonable. Maybe somebody can come up with a
better and more general approach, but that sounds like a fine starting
point, and any incremental improvents can happen in the tree. So I'll
apply your patch (assuming it passes my basic testing, which I expect
it will).

                Linus