Re: Fwd: Re: Inclusion for 916d4092a1d2d7b in 4.4 stable

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On 05/19/2016 06:33 PM, Greg KH wrote:
> On Thu, May 19, 2016 at 06:00:30PM +0300, Nikolay Borisov wrote:
>> [Resending since I did mistyped the stable mailing list address]
>>
>>> On Wed, May 18, 2016 at 06:13:43PM +0300, Nikolay Borisov wrote:
>>>>
>>>>
>>>> On 05/18/2016 06:10 PM, Greg KH wrote:
>>>>> On Wed, May 18, 2016 at 04:02:35PM +0300, Nikolay Borisov wrote:
>>>>>> Hello Greg,
>>>>>>
>>>>>> Turns out building perf is broken in the 4.4 kernel tree on centos6.
>>>>>> Executing make in toosl/perf results in :
>>>>>>
>>>>>> cc1: warnings being treated as errors
>>>>>> tests/llvm.c: In function ‘test_llvm__fetch_bpf_obj’:
>>>>>> tests/llvm.c:53: error: declaration of ‘index’ shadows a global declaration
>>>>>> /usr/include/string.h:489: error: shadowed declaration is here
>>>>>> mv: cannot stat `tests/.llvm.o.tmp': No such file or directory
>>>>>>
>>>>>> This can be fixed by applying the following commit:
>>>>>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=916d4092a1d2d7bb50630497be71ee4c4c2807fa
>>>>>>
>>>>>> Would it be possible to apply it for 4.4.12 otherwise using perf from
>>>>>> that tree is useless?
>>>>>
>>>>> Is this something that recently broke?  Or has it always been an issue?
>>>>
>>>> According to the Fixes tags in the commit this broke in the following
>>>> series: http://marc.info/?l=linux-kernel&m=144681782820358
>>>>
>>>> Which was applied in November 6. 2015. So I'd say it's been fairly
>>>> recently.
>>>
>>> So it's always been broken in 4.4?  Or did I break it in a newer
>>> release?
>>
>> Before that I was on 3.12 stable and everything worked, so I guess it
>> did break in the release which included the aforementioned patches.
> 
> That's not what I need to know.  Is 4.4.0 broken?  If not, then I worry,
> if so, then there's not really anything interesting here.  Unless 4.6.0
> also works.  Does it?

Just tested, so 4.4.0 is broken, 4.6 works.


> 
> We need some help narrowing this down if you want to see it resolved.
> 
> thanks,
> 
> greg k-h
> 
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