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 > -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html