linux-kernel - Re: [PATCH 5/7] printk: Make %pS and friends print module build ID

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Message-ID: <20210304170052.GK2723601@casper.infradead.org>
Date:   Thu, 4 Mar 2021 17:00:52 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Jessica Yu <jeyu@...nel.org>,
        Evan Green <evgreen@...omium.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH 5/7] printk: Make %pS and friends print module build ID

On Mon, Mar 01, 2021 at 09:47:47AM -0800, Stephen Boyd wrote:
> Example:
> 
>  WARNING: CPU: 4 PID: 3255 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x30 [lkdtm] (ed5019fdf5e53be37cb1ba7899292d7e143b259e)

Would the first 12 characters instead of all 40 make it more palatable
without reducing its utility?
And I feel it should be within the [], so maybe this:

WARNING: CPU: 4 PID: 3255 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x28/0x30 [lkdtm ed5019fdf5e5]