linux-kernel - Re: [linux-safety] [PATCH] taskstats: remove unneeded dead assignment

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Date:   Fri, 6 Nov 2020 12:04:53 +0000
From:   Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
To:     Lukas Bulwahn <lukas.bulwahn@...il.com>
Cc:     Balbir Singh <bsingharora@...il.com>, Tom Rix <trix@...hat.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        clang-built-linux@...glegroups.com,
        kernel-janitors@...r.kernel.org, linux-safety@...ts.elisa.tech,
        linux-kernel@...r.kernel.org
Subject: Re: [linux-safety] [PATCH] taskstats: remove unneeded dead assignment

Hi Lukas,

On 06/11/2020 10:31, Lukas Bulwahn wrote:
> 
> 
> On Fri, 6 Nov 2020, Sudip Mukherjee wrote:
> 
>> Hi Lukas,
>>

<snip>

> 
> I did not try but I bet (a beverage of your choice) that the object code
> remains the same also for your suggested patch. Try to disprove my claim 
> and possibly earn yourself a beverage when we meet...

Lets decide which beverage.. ;-)

Using gcc-7.2.0 for MIPS:

original:- ab81d3305d578c2568fbc73aad2f9e61  kernel/taskstats.o
After your change:- ab81d3305d578c2568fbc73aad2f9e61  kernel/taskstats.o
After my change:- 0acae2c8d72abd3e15bf805fccdca711  kernel/taskstats.o



-- 
Regards
Sudip