linux-kernel - Re: [PATCH -next] mm/page_counter: mark intentional data races

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Message-Id: <DE8391CD-A9CF-4D16-A41B-F563F2AE8D57@lca.pw>
Date:   Wed, 29 Jan 2020 04:33:03 -0500
From:   Qian Cai <cai@....pw>
To:     Marco Elver <elver@...gle.com>
Cc:     Michal Hocko <mhocko@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] mm/page_counter: mark intentional data races



> On Jan 29, 2020, at 4:06 AM, Marco Elver <elver@...gle.com> wrote:
> 
> Why are the line numbers for the remaining symbols missing?  Doesn't
> scripts/decode_stacktrace.sh give you all line numbers?

I used scripts/faddr2line and never used decode_stacktrace.sh before. I did not insert other line numbers because it can be easily determined by looking at the function itself through an code browser.

> 
> [ As an aside: if you want to use what syzbot uses to put line numbers
> on symbols, which is a bit faster:
> https://github.com/google/syzkaller/tree/master/tools/syz-symbolize
> https://github.com/google/syzkaller/blob/master/docs/linux/setup.md
> then 'go build tools/syz-symbolize'. ]

That is good to know.