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Message-ID: <202310070434.mD8eRNAz-lkp@intel.com>
Date: Sat, 7 Oct 2023 05:03:20 +0800
From: kernel test robot <lkp@...el.com>
To: James Morse <james.morse@....com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Borislav Petkov <bp@...e.de>, Jamie Iles <jamie@...iainc.com>,
Reinette Chatre <reinette.chatre@...el.com>
Subject: arch/x86/kernel/cpu/resctrl/rdtgroup.c:1196: warning: Function
parameter or member 'type' not described in '__rdtgroup_cbm_overlaps'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: af95dc6fdc25e616051d0234aad638e15c02ec8f
commit: fa8f711d2f14381d1a47420b6da94b62e6484c56 x86/resctrl: Pass configuration type to resctrl_arch_get_config()
date: 2 years, 2 months ago
config: x86_64-randconfig-003-20230909 (https://download.01.org/0day-ci/archive/20231007/202310070434.mD8eRNAz-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231007/202310070434.mD8eRNAz-lkp@intel.com/reproduce)
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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310070434.mD8eRNAz-lkp@intel.com/
All warnings (new ones prefixed by >>):
arch/x86/kernel/cpu/resctrl/rdtgroup.c:900: warning: Function parameter or member 'of' not described in 'rdt_bit_usage_show'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:900: warning: Function parameter or member 'seq' not described in 'rdt_bit_usage_show'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:900: warning: Function parameter or member 'v' not described in 'rdt_bit_usage_show'
>> arch/x86/kernel/cpu/resctrl/rdtgroup.c:1196: warning: Function parameter or member 'type' not described in '__rdtgroup_cbm_overlaps'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:1279: warning: Function parameter or member 'rdtgrp' not described in 'rdtgroup_mode_test_exclusive'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:1315: warning: Function parameter or member 'of' not described in 'rdtgroup_mode_write'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:1315: warning: Function parameter or member 'buf' not described in 'rdtgroup_mode_write'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:1315: warning: Function parameter or member 'nbytes' not described in 'rdtgroup_mode_write'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:1315: warning: Function parameter or member 'off' not described in 'rdtgroup_mode_write'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:1424: warning: Function parameter or member 'of' not described in 'rdtgroup_size_show'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:1424: warning: Function parameter or member 's' not described in 'rdtgroup_size_show'
arch/x86/kernel/cpu/resctrl/rdtgroup.c:1424: warning: Function parameter or member 'v' not described in 'rdtgroup_size_show'
vim +1196 arch/x86/kernel/cpu/resctrl/rdtgroup.c
521348b011d64c arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-03 1172
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1173 /**
e5f3530c391105 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-03 1174 * __rdtgroup_cbm_overlaps - Does CBM for intended closid overlap with other
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1175 * @r: Resource to which domain instance @d belongs.
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1176 * @d: The domain instance for which @closid is being tested.
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1177 * @cbm: Capacity bitmask being tested.
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1178 * @closid: Intended closid for @cbm.
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1179 * @exclusive: Only check if overlaps with exclusive resource groups
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1180 *
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1181 * Checks if provided @cbm intended to be used for @closid on domain
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1182 * @d overlaps with any other closids or other hardware usage associated
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1183 * with this domain. If @exclusive is true then only overlaps with
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1184 * resource groups in exclusive mode will be considered. If @exclusive
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1185 * is false then overlaps with any resource group or hardware entities
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1186 * will be considered.
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1187 *
49e00eee00612b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-04 1188 * @cbm is unsigned long, even if only 32 bits are used, to make the
49e00eee00612b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-04 1189 * bitmap functions work correctly.
49e00eee00612b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-04 1190 *
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1191 * Return: false if CBM does not overlap, true if it does.
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1192 */
e5f3530c391105 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-03 1193 static bool __rdtgroup_cbm_overlaps(struct rdt_resource *r, struct rdt_domain *d,
fa8f711d2f1438 arch/x86/kernel/cpu/resctrl/rdtgroup.c James Morse 2021-07-28 1194 unsigned long cbm, int closid,
fa8f711d2f1438 arch/x86/kernel/cpu/resctrl/rdtgroup.c James Morse 2021-07-28 1195 enum resctrl_conf_type type, bool exclusive)
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 @1196 {
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1197 enum rdtgrp_mode mode;
49e00eee00612b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-04 1198 unsigned long ctrl_b;
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1199 int i;
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1200
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1201 /* Check for any overlap with regions used by hardware directly */
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1202 if (!exclusive) {
49e00eee00612b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-04 1203 ctrl_b = r->cache.shareable_bits;
49e00eee00612b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-04 1204 if (bitmap_intersects(&cbm, &ctrl_b, r->cache.cbm_len))
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1205 return true;
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1206 }
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1207
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1208 /* Check for overlap with other resource groups */
f07e9d0250577a arch/x86/kernel/cpu/resctrl/rdtgroup.c James Morse 2021-07-28 1209 for (i = 0; i < closids_supported(); i++) {
fa8f711d2f1438 arch/x86/kernel/cpu/resctrl/rdtgroup.c James Morse 2021-07-28 1210 resctrl_arch_get_config(r, d, i, type, (u32 *)&ctrl_b);
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1211 mode = rdtgroup_mode_by_closid(i);
dfe9674b04ff6b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1212 if (closid_allocated(i) && i != closid &&
dfe9674b04ff6b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1213 mode != RDT_MODE_PSEUDO_LOCKSETUP) {
49e00eee00612b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-10-04 1214 if (bitmap_intersects(&cbm, &ctrl_b, r->cache.cbm_len)) {
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1215 if (exclusive) {
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1216 if (mode == RDT_MODE_EXCLUSIVE)
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1217 return true;
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1218 continue;
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1219 }
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1220 return true;
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1221 }
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1222 }
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1223 }
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1224
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1225 return false;
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1226 }
49f7b4efa1101b arch/x86/kernel/cpu/intel_rdt_rdtgroup.c Reinette Chatre 2018-06-22 1227
:::::: The code at line 1196 was first introduced by commit
:::::: 49f7b4efa1101bbc143a960eff3a9c8f9d6f7358 x86/intel_rdt: Enable setting of exclusive mode
:::::: TO: Reinette Chatre <reinette.chatre@...el.com>
:::::: CC: Thomas Gleixner <tglx@...utronix.de>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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