linux-kernel - Re: [PATCH v2 00/12] Add build ID to stacktraces

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Message-ID: <20210324085543.GA2660708@infradead.org>
Date:   Wed, 24 Mar 2021 08:55:43 +0000
From:   Christoph Hellwig <hch@...radead.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, Alexei Starovoitov <ast@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Baoquan He <bhe@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Dave Young <dyoung@...hat.com>,
        Evan Green <evgreen@...omium.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Ingo Molnar <mingo@...hat.com>, Jessica Yu <jeyu@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>, kexec@...ts.infradead.org,
        Konstantin Khlebnikov <khlebnikov@...dex-team.ru>,
        linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
        Matthew Wilcox <willy@...radead.org>,
        Petr Mladek <pmladek@...e.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Sasha Levin <sashal@...nel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vivek Goyal <vgoyal@...hat.com>, Will Deacon <will@...nel.org>,
        x86@...nel.org
Subject: Re: [PATCH v2 00/12] Add build ID to stacktraces

On Tue, Mar 23, 2021 at 07:04:31PM -0700, Stephen Boyd wrote:
>  x5 : 0000000000000000 x4 : 0000000000000001
>  x3 : 0000000000000008 x2 : ffffff93fef25a70
>  x1 : ffffff93fef15788 x0 : ffffffe3622352e0
>  Call trace:
>   lkdtm_WARNING+0x28/0x30 [lkdtm ed5019fdf5e53be37cb1ba7899292d7e143b259e]
>   direct_entry+0x16c/0x1b4 [lkdtm ed5019fdf5e53be37cb1ba7899292d7e143b259e]

Yikes.  No, please do not make the backtraces a complete mess for
something that serves absolutely no need.