Re: [mainline]tools/perf build warnings

[Venkat Rao Bagalkote]

On 16/04/25 7:33 pm, Venkat Rao Bagalkote wrote:
> On 16/04/25 6:41 pm, Athira Rajeev wrote:
> > > On 16 Apr 2025, at 5:12 PM, Venkat Rao Bagalkote 
> > > <venkat88@xxxxxxxxxxxxx> wrote:
> > >
> > > Hello,
> > >
> > >
> > > I am observing a new build warning on today mainline kernel, with 
> > > head commit: g834a4a689699
> > >
> > > Repo:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> > >
> > >
> > > Warnings:
> > >
> > > diff -u tools/include/vdso/unaligned.h include/vdso/unaligned.h
> > >
> > >
> > > If you happen to fix this, please add below tag.
> > >
> > >
> > > Reported-by: Venkat Rao Bagalkote <venkat88@xxxxxxxxxxxxx>
> > Hi Venkat
> >
> > Can you please check with 
> > https://web.git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/?h=tmp.perf-tools-next
> > with the tmp.perf-tools-next branch..
>
>
> I verified with perf-tools-next repo on both branches namely 
> tmp.perf-tools-next and perf-tools-next, and I think this warning got 
> recently introduced.

/Typo in the last mail, please refer to below update./

I verified with perf-tools-next repo on both branches namely 
tmp.perf-tools-next and perf-tools-next, and issue is not seen there. 
And I think this warning got recently introduced.

> Git Bisect is pointing to acea9943271b62905033f2f8ca571cdd52d6ea7b as 
> first bad commit.
>
>
> Below is the bisect log:
>
> git bisect log
> git bisect start
> # status: waiting for both good and bad commits
> # bad: [834a4a689699090a406d1662b03affa8b155d025] Merge tag 
> 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
> git bisect bad 834a4a689699090a406d1662b03affa8b155d025
> # status: waiting for good commit(s), bad commit known
> # good: [0af2f6be1b4281385b618cb86ad946eded089ac8] Linux 6.15-rc1
> git bisect good 0af2f6be1b4281385b618cb86ad946eded089ac8
> # bad: [ef7785882672e73847fb80f6c39e76998d4db57b] Merge tag 
> 'bcachefs-2025-04-10' of git://evilpiepirate.org/bcachefs
> git bisect bad ef7785882672e73847fb80f6c39e76998d4db57b
> # good: [e4742a89cfaced383db758bef94037637899487a] Merge tag 
> 'block-6.15-20250410' of git://git.kernel.dk/linux
> git bisect good e4742a89cfaced383db758bef94037637899487a
> # good: [eaa517b77e63442260640d875f824d1111ca6569] ethtool: cmis_cdb: 
> Fix incorrect read / write length extension
> git bisect good eaa517b77e63442260640d875f824d1111ca6569
> # good: [ac253a537da3b210fa4b65d522d5533fc68f9515] Merge tag 
> 'perf-urgent-2025-04-10' of 
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
> git bisect good ac253a537da3b210fa4b65d522d5533fc68f9515
> # good: [3c9de67dd37029cca1d0f391ff565b3809b40a1f] Merge tag 
> 'x86-urgent-2025-04-10' of 
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
> git bisect good 3c9de67dd37029cca1d0f391ff565b3809b40a1f
> # bad: [0c7cae12f67c4c5fd232cffb27023deb409e1e20] Merge tag 
> 'irq-urgent-2025-04-10' of 
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
> git bisect bad 0c7cae12f67c4c5fd232cffb27023deb409e1e20
> # bad: [34833819d2270ef96fa98fe3c1d3d297b5dec986] Merge tag 
> 'timers-urgent-2025-04-10' of 
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
> git bisect bad 34833819d2270ef96fa98fe3c1d3d297b5dec986
> # good: [92e250c624ea37fde64bfd624fd2556f0d846f18] timekeeping: Add a 
> lockdep override in tick_freeze()
> git bisect good 92e250c624ea37fde64bfd624fd2556f0d846f18
> # bad: [acea9943271b62905033f2f8ca571cdd52d6ea7b] vdso: Address 
> variable shadowing in macros
> git bisect bad acea9943271b62905033f2f8ca571cdd52d6ea7b
> # first bad commit: [acea9943271b62905033f2f8ca571cdd52d6ea7b] vdso: 
> Address variable shadowing in macros
>
>
> Regards,
>
> Venkat.
>
> > Also there is a patchset here:
> > https://lore.kernel.org/linux-perf-users/FE96FD04-4396-4C34-A70D-2A592FD5F916@xxxxxxxxxxxxx/T/#m3e9d6aac4c34ebf42f18f3c213b7dff8f8c70d9d 
> >
> >
> > Which I think you have already tested..
> >
> > Thanks
> > Athira
> > > Regards,
> > >
> > > Venkat.