linux-kernel - Re: [PATCH 1/1] kallsyms: print module name in %ps/S case when KALLSYMS is disabled

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Message-ID: <YfkBQNBEPrAJ9jKw@smile.fi.intel.com>
Date:   Tue, 1 Feb 2022 11:45:36 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Maninder Singh <maninder1.s@...sung.com>
Cc:     pmladek@...e.com, rostedt@...dmis.org, senozhatsky@...omium.org,
        linux@...musvillemoes.dk, akpm@...ux-foundation.org,
        wangkefeng.wang@...wei.com, mbenes@...e.cz, swboyd@...omium.org,
        ojeda@...nel.org, linux-kernel@...r.kernel.org, will@...nel.org,
        catalin.marinas@....com, Vaneet Narang <v.narang@...sung.com>
Subject: Re: [PATCH 1/1] kallsyms: print module name in %ps/S case when
 KALLSYMS is disabled

On Tue, Feb 01, 2022 at 09:30:44AM +0530, Maninder Singh wrote:
> original:
> With KALLSYMS
>                    %pS                               %ps
> [16.4200]  hello_init+0x0/0x24 [crash]        hello_init [crash]
> 
> Without KALLSYMS:
> [16.2200]      0xbe200040                         0xbe200040
> 
> With Patch (Without KALLSYMS:) load address + current offset [Module Name]
> 
> [13.5993]  0xbe200000+0x40 [crash]           0xbe200000+0x40 [crash]
> 
> It will help in better debugging and checking when KALLSYMS is disabled,
> user will get information about module name and load address of module.
> 
> verified for arm64:
> / # insmod /crash.ko
> 
> [   19.263556] 0xffff800000ec0000+0x38 [crash]
> 
> ..
> 
> [   19.276023] Call trace:
> [   19.276277]  0xffff800000ec0000+0x28 [crash]
> [   19.276567]  0xffff800000ec0000+0x58 [crash]
> [   19.276727]  0xffff800000ec0000+0x74 [crash]
> [   19.276866]  0xffff8000080127d0
> [   19.276978]  0xffff80000812d95c
> [   19.277085]  0xffff80000812f554

> Signed-off-by: Vaneet Narang <v.narang@...sung.com>
> Signed-off-by: Maninder Singh <maninder1.s@...sung.com>

Who is (are) the author(s)?

-- 
With Best Regards,
Andy Shevchenko