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From: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
To: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Balbir Singh <bsingharora@gmail.com>, Tom Rix <trix@redhat.com>,
	Nathan Chancellor <natechancellor@gmail.com>,
	Nick Desaulniers <ndesaulniers@google.com>,
	clang-built-linux@googlegroups.com,
	kernel-janitors@vger.kernel.org, linux-safety@lists.elisa.tech,
	linux-kernel@vger.kernel.org
Subject: Re: [linux-safety] [PATCH] taskstats: remove unneeded dead assignment
Date: Fri, 6 Nov 2020 12:04:53 +0000	[thread overview]
Message-ID: <aea9d12d-88ee-f262-4328-03993521668f@codethink.co.uk> (raw)
In-Reply-To: <alpine.DEB.2.21.2011061126130.20338@felia>

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

WARNING: multiple messages have this Message-ID (diff)
From: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
To: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Balbir Singh <bsingharora@gmail.com>, Tom Rix <trix@redhat.com>,
	Nathan Chancellor <natechancellor@gmail.com>,
	Nick Desaulniers <ndesaulniers@google.com>,
	clang-built-linux@googlegroups.com,
	kernel-janitors@vger.kernel.org, linux-safety@lists.elisa.tech,
	linux-kernel@vger.kernel.org
Subject: Re: [linux-safety] [PATCH] taskstats: remove unneeded dead assignment
Date: Fri, 06 Nov 2020 12:04:53 +0000	[thread overview]
Message-ID: <aea9d12d-88ee-f262-4328-03993521668f@codethink.co.uk> (raw)
In-Reply-To: <alpine.DEB.2.21.2011061126130.20338@felia>

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

  reply	other threads:[~2020-11-06 12:05 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-06  6:22 [PATCH] taskstats: remove unneeded dead assignment Lukas Bulwahn
2020-11-06  6:22 ` Lukas Bulwahn
2020-11-06  9:50 ` Nathan Chancellor
2020-11-06  9:50   ` Nathan Chancellor
2020-11-06 10:23   ` Lukas Bulwahn
2020-11-06 10:23     ` Lukas Bulwahn
2020-11-06 10:23     ` Lukas Bulwahn
2020-11-06 10:47     ` Lukas Bulwahn
2020-11-06 10:47       ` Lukas Bulwahn
2020-11-06 10:47       ` Lukas Bulwahn
2020-11-06 10:25 ` [linux-safety] " Sudip Mukherjee
2020-11-06 10:25   ` Sudip Mukherjee
2020-11-06 10:31   ` Lukas Bulwahn
2020-11-06 10:31     ` Lukas Bulwahn
2020-11-06 10:31     ` Lukas Bulwahn
2020-11-06 12:04     ` Sudip Mukherjee [this message]
2020-11-06 12:04       ` Sudip Mukherjee
2020-11-06 12:38       ` Lukas Bulwahn
2020-11-06 12:38         ` Lukas Bulwahn
2020-11-06 12:38         ` Lukas Bulwahn
2020-11-10  8:06       ` Dan Carpenter
2020-11-10  8:06         ` Dan Carpenter

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