linux-kernel - Re: mmotm 2020-05-13-20-30 uploaded (objtool warnings)

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Message-ID: <e7488964-eed3-4078-d91e-8f450a152ddb@infradead.org>
Date:   Thu, 14 May 2020 08:33:03 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Andrew Morton <akpm@...ux-foundation.org>, broonie@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-next@...r.kernel.org, mhocko@...e.cz,
        mm-commits@...r.kernel.org, sfr@...b.auug.org.au,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: mmotm 2020-05-13-20-30 uploaded (objtool warnings)

On 5/14/20 8:32 AM, Randy Dunlap wrote:
> On 5/13/20 8:31 PM, Andrew Morton wrote:
>> The mm-of-the-moment snapshot 2020-05-13-20-30 has been uploaded to
>>
>>    http://www.ozlabs.org/~akpm/mmotm/
>>
>> mmotm-readme.txt says
>>
>> README for mm-of-the-moment:
>>
>> http://www.ozlabs.org/~akpm/mmotm/
>>
>> This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
>> more than once a week.
>>
>> You will need quilt to apply these patches to the latest Linus release (5.x
>> or 5.x-rcY).  The series file is in broken-out.tar.gz and is duplicated in
>> http://ozlabs.org/~akpm/mmotm/series
>>
>> The file broken-out.tar.gz contains two datestamp files: .DATE and
>> .DATE-yyyy-mm-dd-hh-mm-ss.  Both contain the string yyyy-mm-dd-hh-mm-ss,
>> followed by the base kernel version against which this patch series is to
>> be applied.
> 
> 
> on x86_64:
> 
> arch/x86/lib/csum-wrappers_64.o: warning: objtool: csum_and_copy_from_user()+0x2a4: call to memset() with UACCESS enabled
> arch/x86/lib/csum-wrappers_64.o: warning: objtool: csum_and_copy_to_user()+0x243: return with UACCESS enabled
> 
> 

Sorry, forgot the config file:

now attached.

-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@...radead.org>

View attachment "config-r2652" of type "text/plain" (109177 bytes)