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Fri, 25 Apr 2025 16:07:33 +0000 (GMT) Message-ID: <43507075-ec04-44c8-a95f-49e074d933d8@linux.ibm.com> Date: Fri, 25 Apr 2025 21:37:32 +0530 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [mainline]Warning while building tools/perf Content-Language: en-GB From: Venkat Rao Bagalkote To: Namhyung Kim , James Clark , Athira Rajeev , Ingo Molnar , "open list:PERFORMANCE EVENTS SUBSYSTEM" , LKML , sgarzare@redhat.com, mst@redhat.com References: <9c40ab1a-3d08-4af8-a430-0ba245842959@linux.ibm.com> In-Reply-To: <9c40ab1a-3d08-4af8-a430-0ba245842959@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNDI1MDExNCBTYWx0ZWRfX/SPKQXwH4PJi zUj3WVU0Uc0J9wfZLBas9qkYZTF5IqKZjXsuPJ8qM9xCcSkFheaQFEiZLlu0lncsG4GwNQznAIN eENNyVVyPa7HF4Li4P/6Hpi+77AuzGVJ+KBtGT71SsF4rt4kBpwlQM2CU1/Ojnuou+ypqkaGg4y s5hFjKNhjOicluDePU3LqNBqBgURiisLgSuHddEVMRPciNTzDRoajkUrT5/Af1RrhR92k/XQ/fP 1q3+w4KnIGjz/q43JcuBO/SkRLqkMuvhLAu9bMGlanH4xvyPtdCPi7nzMEcy7jgRdEOU2hb50JV DLd8oFWkdAbWO5ektq46IOkn+ymgJDzc294Ip14qDosaySSm62yT/SMvcLXdOjM4QEoo+BseE3P G2+MVPl8ZukhsXhgwOsq3+W26B5Q5VqakBfKaGwp7K7Eo1PHbR+w5Z963l42/wvYmlyVP5iw X-Authority-Analysis: v=2.4 cv=F8xXdrhN c=1 sm=1 tr=0 ts=680bb34a cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=Z4Rwk6OoAAAA:8 a=VwQbUJbxAAAA:8 a=20KFwNOVAAAA:8 a=VnNF1IyMAAAA:8 a=t_VceZeAIPjMNq324LgA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=HkZW87K1Qel5hWWM3VKY:22 X-Proofpoint-GUID: y0zjUMfM0TBVcEXtdp0h5y1VY0JgZUUs X-Proofpoint-ORIG-GUID: y0zjUMfM0TBVcEXtdp0h5y1VY0JgZUUs X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-04-25_04,2025-04-24_02,2025-02-21_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 mlxscore=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=999 malwarescore=0 clxscore=1011 bulkscore=0 adultscore=0 spamscore=0 suspectscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2504070000 definitions=main-2504250114 My bad, missed to mention the warning in the previous mail. On 25/04/25 9:32 pm, Venkat Rao Bagalkote wrote: > Hello, > > > I am seeing a new build warning while building tools/perf on the > mainline kernel, with base: > > commit 02ddfb981de88a2c15621115dd7be2431252c568 (HEAD -> master, > origin/master, origin/HEAD) > Merge: 30e268185e59 b0b7ee3b574a > Author: Linus Torvalds > Date:   Thu Apr 24 13:01:31 2025 -0700 > >     Merge tag 'scsi-fixes' of > git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi > >     Pull SCSI fixes from James Bottomley: >      "The single core change is an obvious bug fix (and falls within > the LF >       guidelines for patches from sanctioned entities). The other driver >       changes are a bit larger but likewise pretty obvious" > >     * tag 'scsi-fixes' of > git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: >       scsi: mpi3mr: Add level check to control event logging >       scsi: ufs: core: Add NULL check in > ufshcd_mcq_compl_pending_transfer() >       scsi: core: Clear flags for scsi_cmnd that did not complete >       scsi: ufs: Introduce quirk to extend PA_HIBERN8TIME for UFS devices >       scsi: ufs: qcom: Add quirks for Samsung UFS devices >       scsi: target: iscsi: Fix timeout on deleted connection >       scsi: mpi3mr: Reset the pending interrupt flag >       scsi: mpi3mr: Fix pending I/O counter >       scsi: ufs: mcq: Add NULL check in ufshcd_mcq_abort() > Warning: diff -u tools/perf/trace/beauty/include/uapi/linux/vhost.h include/uapi/linux/vhost.h > > Git Bisect is pointing to below commit as first bad commit. > > > a940e0a685575424d33324ec7f0089045249de0a is the first bad commit > commit a940e0a685575424d33324ec7f0089045249de0a > Author: Stefano Garzarella > Date:   Mon Mar 3 09:52:37 2025 +0100 > >     vhost: fix VHOST_*_OWNER documentation > >     VHOST_OWNER_SET and VHOST_OWNER_RESET are used in the documentation >     instead of VHOST_SET_OWNER and VHOST_RESET_OWNER respectively. > >     To avoid confusion, let's use the right names in the documentation. >     No change to the API, only the documentation is involved. > >     Signed-off-by: Stefano Garzarella >     Message-Id: <20250303085237.19990-1-sgarzare@redhat.com> >     Signed-off-by: Michael S. Tsirkin > >  include/uapi/linux/vhost.h | 4 ++-- >  1 file changed, 2 insertions(+), 2 deletions(-) > > > Upon reverting the above commit, warning is not seen. > > > Bisect log: > > > git bisect start > # status: waiting for both good and bad commits > # good: [9c32cda43eb78f78c73aee4aa344b777714e259b] Linux 6.15-rc3 > git bisect good 9c32cda43eb78f78c73aee4aa344b777714e259b > # status: waiting for bad commit, 1 good commit known > # bad: [02ddfb981de88a2c15621115dd7be2431252c568] Merge tag > 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi > git bisect bad 02ddfb981de88a2c15621115dd7be2431252c568 > # good: [cc0dec3f659d19805fcaf8822204137c9f27a912] Merge branch > 'net-stmmac-fix-timestamp-snapshots-on-dwmac1000' > git bisect good cc0dec3f659d19805fcaf8822204137c9f27a912 > # bad: [0251ddbffbeb213f0f74ef94b2cacce580eb8d76] Merge tag > 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost > git bisect bad 0251ddbffbeb213f0f74ef94b2cacce580eb8d76 > # good: [bc3372351d0c8b2726b7d4229b878342e3e6b0e8] Merge tag > 'for-6.15-rc3-tag' of > git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux > git bisect good bc3372351d0c8b2726b7d4229b878342e3e6b0e8 > # bad: [fbd3039a64b01b769040677c4fc68badeca8e3b2] virtio_console: fix > missing byte order handling for cols and rows > git bisect bad fbd3039a64b01b769040677c4fc68badeca8e3b2 > # bad: [a940e0a685575424d33324ec7f0089045249de0a] vhost: fix > VHOST_*_OWNER documentation > git bisect bad a940e0a685575424d33324ec7f0089045249de0a > # good: [16c22c56d4282584742022a37d4f79a46ca6094a] virtio_pci: Use > self group type for cap commands > git bisect good 16c22c56d4282584742022a37d4f79a46ca6094a > # first bad commit: [a940e0a685575424d33324ec7f0089045249de0a] vhost: > fix VHOST_*_OWNER documentation > > > If you happen to fix this, please add below tag. > > > Reported-by: Venkat Rao Bagalkote > > > Regards, > > Venkat. >