From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: Re: [PATCH v4 04/28] drm/xe/pf: Add save/restore control state stubs and connect to debugfs
Date: Thu, 6 Nov 2025 07:08:45 +0800 [thread overview]
Message-ID: <202511060745.V5s5AlIB-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20251105151027.540712-5-michal.winiarski@intel.com>
References: <20251105151027.540712-5-michal.winiarski@intel.com>
TO: "Michał Winiarski" <michal.winiarski@intel.com>
TO: Alex Williamson <alex@shazbot.org>
TO: Lucas De Marchi <lucas.demarchi@intel.com>
TO: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
TO: Rodrigo Vivi <rodrigo.vivi@intel.com>
TO: Jason Gunthorpe <jgg@ziepe.ca>
TO: Yishai Hadas <yishaih@nvidia.com>
TO: Kevin Tian <kevin.tian@intel.com>
TO: Shameer Kolothum <skolothumtho@nvidia.com>
TO: intel-xe@lists.freedesktop.org
TO: linux-kernel@vger.kernel.org
TO: kvm@vger.kernel.org
TO: Matthew Brost <matthew.brost@intel.com>
TO: Michal Wajdeczko <michal.wajdeczko@intel.com>
CC: dri-devel@lists.freedesktop.org
CC: Jani Nikula <jani.nikula@linux.intel.com>
CC: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
CC: Tvrtko Ursulin <tursulin@ursulin.net>
CC: David Airlie <airlied@gmail.com>
CC: Simona Vetter <simona@ffwll.ch>
CC: Lukasz Laguna <lukasz.laguna@intel.com>
CC: Christoph Hellwig <hch@infradead.org>
CC: "Michał Winiarski" <michal.winiarski@intel.com>
Hi Michał,
kernel test robot noticed the following build warnings:
[auto build test WARNING on drm-xe/drm-xe-next]
[also build test WARNING on next-20251105]
[cannot apply to awilliam-vfio/next awilliam-vfio/for-linus drm-i915/for-linux-next drm-i915/for-linux-next-fixes linus/master v6.18-rc4]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Micha-Winiarski/drm-xe-pf-Remove-GuC-version-check-for-migration-support/20251105-234203
base: https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next
patch link: https://lore.kernel.org/r/20251105151027.540712-5-michal.winiarski%40intel.com
patch subject: [PATCH v4 04/28] drm/xe/pf: Add save/restore control state stubs and connect to debugfs
:::::: branch date: 7 hours ago
:::::: commit date: 7 hours ago
config: alpha-randconfig-r072-20251106 (https://download.01.org/0day-ci/archive/20251106/202511060745.V5s5AlIB-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 8.5.0
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202511060745.V5s5AlIB-lkp@intel.com/
smatch warnings:
drivers/gpu/drm/xe/xe_sriov_pf_control.c:198 xe_sriov_pf_control_finish_save_vf() error: uninitialized symbol 'ret'.
drivers/gpu/drm/xe/xe_sriov_pf_control.c:222 xe_sriov_pf_control_trigger_restore_vf() error: uninitialized symbol 'ret'.
drivers/gpu/drm/xe/xe_sriov_pf_control.c:246 xe_sriov_pf_control_finish_restore_vf() error: uninitialized symbol 'ret'.
vim +/ret +198 drivers/gpu/drm/xe/xe_sriov_pf_control.c
33b59ab90959e2 Michał Winiarski 2025-11-05 176
33b59ab90959e2 Michał Winiarski 2025-11-05 177 /**
33b59ab90959e2 Michał Winiarski 2025-11-05 178 * xe_sriov_pf_control_finish_save_vf - Complete a VF migration data SAVE sequence on all GTs.
33b59ab90959e2 Michał Winiarski 2025-11-05 179 * @xe: the &xe_device
33b59ab90959e2 Michał Winiarski 2025-11-05 180 * @vfid: the VF identifier
33b59ab90959e2 Michał Winiarski 2025-11-05 181 *
33b59ab90959e2 Michał Winiarski 2025-11-05 182 * This function is for PF only.
33b59ab90959e2 Michał Winiarski 2025-11-05 183 *
33b59ab90959e2 Michał Winiarski 2025-11-05 184 * Return: 0 on success or a negative error code on failure.
33b59ab90959e2 Michał Winiarski 2025-11-05 185 */
33b59ab90959e2 Michał Winiarski 2025-11-05 186 int xe_sriov_pf_control_finish_save_vf(struct xe_device *xe, unsigned int vfid)
33b59ab90959e2 Michał Winiarski 2025-11-05 187 {
33b59ab90959e2 Michał Winiarski 2025-11-05 188 struct xe_gt *gt;
33b59ab90959e2 Michał Winiarski 2025-11-05 189 unsigned int id;
33b59ab90959e2 Michał Winiarski 2025-11-05 190 int ret;
33b59ab90959e2 Michał Winiarski 2025-11-05 191
33b59ab90959e2 Michał Winiarski 2025-11-05 192 for_each_gt(gt, xe, id) {
33b59ab90959e2 Michał Winiarski 2025-11-05 193 ret = xe_gt_sriov_pf_control_finish_save_vf(gt, vfid);
33b59ab90959e2 Michał Winiarski 2025-11-05 194 if (ret)
33b59ab90959e2 Michał Winiarski 2025-11-05 195 break;
33b59ab90959e2 Michał Winiarski 2025-11-05 196 }
33b59ab90959e2 Michał Winiarski 2025-11-05 197
33b59ab90959e2 Michał Winiarski 2025-11-05 @198 return ret;
33b59ab90959e2 Michał Winiarski 2025-11-05 199 }
33b59ab90959e2 Michał Winiarski 2025-11-05 200
33b59ab90959e2 Michał Winiarski 2025-11-05 201 /**
33b59ab90959e2 Michał Winiarski 2025-11-05 202 * xe_sriov_pf_control_trigger_restore_vf - Start a VF migration data RESTORE sequence on all GTs.
33b59ab90959e2 Michał Winiarski 2025-11-05 203 * @xe: the &xe_device
33b59ab90959e2 Michał Winiarski 2025-11-05 204 * @vfid: the VF identifier
33b59ab90959e2 Michał Winiarski 2025-11-05 205 *
33b59ab90959e2 Michał Winiarski 2025-11-05 206 * This function is for PF only.
33b59ab90959e2 Michał Winiarski 2025-11-05 207 *
33b59ab90959e2 Michał Winiarski 2025-11-05 208 * Return: 0 on success or a negative error code on failure.
33b59ab90959e2 Michał Winiarski 2025-11-05 209 */
33b59ab90959e2 Michał Winiarski 2025-11-05 210 int xe_sriov_pf_control_trigger_restore_vf(struct xe_device *xe, unsigned int vfid)
33b59ab90959e2 Michał Winiarski 2025-11-05 211 {
33b59ab90959e2 Michał Winiarski 2025-11-05 212 struct xe_gt *gt;
33b59ab90959e2 Michał Winiarski 2025-11-05 213 unsigned int id;
33b59ab90959e2 Michał Winiarski 2025-11-05 214 int ret;
33b59ab90959e2 Michał Winiarski 2025-11-05 215
33b59ab90959e2 Michał Winiarski 2025-11-05 216 for_each_gt(gt, xe, id) {
33b59ab90959e2 Michał Winiarski 2025-11-05 217 ret = xe_gt_sriov_pf_control_trigger_restore_vf(gt, vfid);
33b59ab90959e2 Michał Winiarski 2025-11-05 218 if (ret)
33b59ab90959e2 Michał Winiarski 2025-11-05 219 return ret;
33b59ab90959e2 Michał Winiarski 2025-11-05 220 }
33b59ab90959e2 Michał Winiarski 2025-11-05 221
33b59ab90959e2 Michał Winiarski 2025-11-05 @222 return ret;
33b59ab90959e2 Michał Winiarski 2025-11-05 223 }
33b59ab90959e2 Michał Winiarski 2025-11-05 224
33b59ab90959e2 Michał Winiarski 2025-11-05 225 /**
33b59ab90959e2 Michał Winiarski 2025-11-05 226 * xe_sriov_pf_control_wait_restore_vf - Complete a VF migration data RESTORE sequence in all GTs.
33b59ab90959e2 Michał Winiarski 2025-11-05 227 * @xe: the &xe_device
33b59ab90959e2 Michał Winiarski 2025-11-05 228 * @vfid: the VF identifier
33b59ab90959e2 Michał Winiarski 2025-11-05 229 *
33b59ab90959e2 Michał Winiarski 2025-11-05 230 * This function is for PF only.
33b59ab90959e2 Michał Winiarski 2025-11-05 231 *
33b59ab90959e2 Michał Winiarski 2025-11-05 232 * Return: 0 on success or a negative error code on failure.
33b59ab90959e2 Michał Winiarski 2025-11-05 233 */
33b59ab90959e2 Michał Winiarski 2025-11-05 234 int xe_sriov_pf_control_finish_restore_vf(struct xe_device *xe, unsigned int vfid)
33b59ab90959e2 Michał Winiarski 2025-11-05 235 {
33b59ab90959e2 Michał Winiarski 2025-11-05 236 struct xe_gt *gt;
33b59ab90959e2 Michał Winiarski 2025-11-05 237 unsigned int id;
33b59ab90959e2 Michał Winiarski 2025-11-05 238 int ret;
33b59ab90959e2 Michał Winiarski 2025-11-05 239
33b59ab90959e2 Michał Winiarski 2025-11-05 240 for_each_gt(gt, xe, id) {
33b59ab90959e2 Michał Winiarski 2025-11-05 241 ret = xe_gt_sriov_pf_control_finish_restore_vf(gt, vfid);
33b59ab90959e2 Michał Winiarski 2025-11-05 242 if (ret)
33b59ab90959e2 Michał Winiarski 2025-11-05 243 break;
33b59ab90959e2 Michał Winiarski 2025-11-05 244 }
33b59ab90959e2 Michał Winiarski 2025-11-05 245
33b59ab90959e2 Michał Winiarski 2025-11-05 @246 return ret;
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2025-11-05 23:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-05 23:08 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2025-11-05 15:09 [PATCH v4 00/28] vfio/xe: Add driver variant for Xe VF migration Michał Winiarski
2025-11-05 15:10 ` [PATCH v4 04/28] drm/xe/pf: Add save/restore control state stubs and connect to debugfs Michał Winiarski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202511060745.V5s5AlIB-lkp@intel.com \
--to=lkp@intel.com \
--cc=error27@gmail.com \
--cc=oe-kbuild@lists.linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.