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charset=utf-8 Content-Transfer-Encoding: quoted-printable ::::::=20 :::::: Manual check reason: "low confidence static check warning: drivers/g= pu/drm/xe/xe_gt_sriov_pf_policy.c:207:9: sparse: sparse: cannot size expres= sion" ::::::=20 BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Michal Wajdeczko CC: "Piotr Pi=C3=B3rkowski" tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: ef0c9f75a19532d7675384708fc8621e10850104 commit: fbbf73a81b845ea6fd40688a63570298298d03c1 drm/xe/pf: Force new VFs p= rorities only once date: 2 months ago :::::: branch date: 11 hours ago :::::: commit date: 2 months ago config: x86_64-randconfig-122 (https://download.01.org/0day-ci/archive/2026= 0622/202606221633.jkV1d3JB-lkp@intel.com/config) compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e98466= 48fd6183ee6d8cbdb4502213fcf902a211) sparse: v0.6.5-rc1 reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archive= /20260622/202606221633.jkV1d3JB-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new versio= n of the same patch/commit), kindly add following tags | Fixes: fbbf73a81b84 ("drm/xe/pf: Force new VFs prorities only once") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202606221633.jkV1d3JB-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c:207:9: sparse: sparse: Expect= ed ) in function call drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c:207:9: sparse: sparse: got , drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c:473:16: sparse: sparse: Expec= ted ) in expression drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c:473:16: sparse: sparse: got 0 drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c:207:9: sparse: sparse: undefi= ned identifier '__VA_OPT__' drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c:207:9: sparse: sparse: cast f= rom unknown type >> drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c:207:9: sparse: sparse: cannot= size expression drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c:473:16: sparse: sparse: undef= ined identifier '__VA_OPT__' vim +207 drivers/gpu/drm/xe/xe_gt_sriov_pf_policy.c 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 182 =20 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 183 /** 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 184 * xe_gt_sriov_pf_policy_= set_sched_if_idle - Control the 'sched_if_idle' policy. 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 185 * @gt: the &xe_gt where = to apply the policy 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 186 * @enable: the value of = the 'sched_if_idle' policy 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 187 * 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 188 * This function can only= be called on PF. 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 189 * 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 190 * Return: 0 on success o= r a negative error code on failure. 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 191 */ 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 192 int xe_gt_sriov_pf_policy= _set_sched_if_idle(struct xe_gt *gt, bool enable) 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 193 { fbbf73a81b845ea Michal Wajdeczko 2026-04-02 194 u32 priority; 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 195 int err; 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 196 =20 fbbf73a81b845ea Michal Wajdeczko 2026-04-02 197 guard(mutex)(xe_gt_sriov= _pf_master_mutex(gt)); 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 198 =20 fbbf73a81b845ea Michal Wajdeczko 2026-04-02 199 err =3D pf_provision_sch= ed_if_idle(gt, enable); fbbf73a81b845ea Michal Wajdeczko 2026-04-02 200 if (err) 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 201 return err; fbbf73a81b845ea Michal Wajdeczko 2026-04-02 202 =20 fbbf73a81b845ea Michal Wajdeczko 2026-04-02 203 /* fbbf73a81b845ea Michal Wajdeczko 2026-04-02 204 * As of GuC 70.12 a cha= nge of this policy impacts individual configs fbbf73a81b845ea Michal Wajdeczko 2026-04-02 205 * of all VFs. See `GUC_= KLV_VGT_POLICY_SCHED_IF_IDLE`_ for details. fbbf73a81b845ea Michal Wajdeczko 2026-04-02 206 */ fbbf73a81b845ea Michal Wajdeczko 2026-04-02 @207 xe_gt_assert(gt, GUC_FIR= MWARE_VER_AT_LEAST(>->uc.guc, 70, 12)); fbbf73a81b845ea Michal Wajdeczko 2026-04-02 208 =20 fbbf73a81b845ea Michal Wajdeczko 2026-04-02 209 priority =3D enable ? GU= C_SCHED_PRIORITY_NORMAL : GUC_SCHED_PRIORITY_LOW; fbbf73a81b845ea Michal Wajdeczko 2026-04-02 210 xe_gt_sriov_pf_config_fo= rce_sched_priority_locked(gt, priority); fbbf73a81b845ea Michal Wajdeczko 2026-04-02 211 =20 fbbf73a81b845ea Michal Wajdeczko 2026-04-02 212 return 0; 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 213 } 48b05e3c3dbbac4 Michal Wajdeczko 2024-04-10 214 =20 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki