* arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
@ 2023-11-07 23:08 kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2023-11-07 23:08 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "low confidence bisect report"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Jiaxun Yang <jiaxun.yang@flygoat.com>
CC: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 13d88ac54ddd1011b6e94443958e798aa06eb835
commit: fea8826d5fdc4ff5c93e883a738597129614039c MIPS: smp-cps: Don't rely on CP0_CMGCRBASE
date: 8 months ago
:::::: branch date: 3 hours ago
:::::: commit date: 8 months ago
config: mips-randconfig-r122-20231108 (https://download.01.org/0day-ci/archive/20231108/202311080604.eRPO1voN-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231108/202311080604.eRPO1voN-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@intel.com>
| Closes: https://lore.kernel.org/r/202311080604.eRPO1voN-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:131:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
vim +/__iomem +165 arch/mips/kernel/smp-cps.c
0ee958e102b62b4 Paul Burton 2014-01-15 118
0ee958e102b62b4 Paul Burton 2014-01-15 119 static void __init cps_prepare_cpus(unsigned int max_cpus)
0ee958e102b62b4 Paul Burton 2014-01-15 120 {
5c399f6eb2c3911 Paul Burton 2014-04-14 121 unsigned ncores, core_vpes, c, cca;
1ec9dd80bedc208 Paul Burton 2017-08-12 122 bool cca_unsuitable, cores_limited;
0f4d3d1155d9a5e Paul Burton 2014-04-14 123 u32 *entry_code;
245a7868d2f2e54 Paul Burton 2014-04-14 124
0ee958e102b62b4 Paul Burton 2014-01-15 125 mips_mt_set_cpuoptions();
245a7868d2f2e54 Paul Burton 2014-04-14 126
5c399f6eb2c3911 Paul Burton 2014-04-14 127 /* Detect whether the CCA is unsuited to multi-core SMP */
5c399f6eb2c3911 Paul Burton 2014-04-14 128 cca = read_c0_config() & CONF_CM_CMASK;
5c399f6eb2c3911 Paul Burton 2014-04-14 129 switch (cca) {
5c399f6eb2c3911 Paul Burton 2014-04-14 130 case 0x4: /* CWBE */
5c399f6eb2c3911 Paul Burton 2014-04-14 131 case 0x5: /* CWB */
5c399f6eb2c3911 Paul Burton 2014-04-14 132 /* The CCA is coherent, multi-core is fine */
5c399f6eb2c3911 Paul Burton 2014-04-14 133 cca_unsuitable = false;
5c399f6eb2c3911 Paul Burton 2014-04-14 134 break;
5c399f6eb2c3911 Paul Burton 2014-04-14 135
5c399f6eb2c3911 Paul Burton 2014-04-14 136 default:
5c399f6eb2c3911 Paul Burton 2014-04-14 137 /* CCA is not coherent, multi-core is not usable */
5c399f6eb2c3911 Paul Burton 2014-04-14 138 cca_unsuitable = true;
5c399f6eb2c3911 Paul Burton 2014-04-14 139 }
5c399f6eb2c3911 Paul Burton 2014-04-14 140
5c399f6eb2c3911 Paul Burton 2014-04-14 141 /* Warn the user if the CCA prevents multi-core */
1ec9dd80bedc208 Paul Burton 2017-08-12 142 cores_limited = false;
1ec9dd80bedc208 Paul Burton 2017-08-12 143 if (cca_unsuitable || cpu_has_dc_aliases) {
5c399f6eb2c3911 Paul Burton 2014-04-14 144 for_each_present_cpu(c) {
1ec9dd80bedc208 Paul Burton 2017-08-12 145 if (cpus_are_siblings(smp_processor_id(), c))
1ec9dd80bedc208 Paul Burton 2017-08-12 146 continue;
1ec9dd80bedc208 Paul Burton 2017-08-12 147
5c399f6eb2c3911 Paul Burton 2014-04-14 148 set_cpu_present(c, false);
1ec9dd80bedc208 Paul Burton 2017-08-12 149 cores_limited = true;
5c399f6eb2c3911 Paul Burton 2014-04-14 150 }
5c399f6eb2c3911 Paul Burton 2014-04-14 151 }
1ec9dd80bedc208 Paul Burton 2017-08-12 152 if (cores_limited)
1ec9dd80bedc208 Paul Burton 2017-08-12 153 pr_warn("Using only one core due to %s%s%s\n",
1ec9dd80bedc208 Paul Burton 2017-08-12 154 cca_unsuitable ? "unsuitable CCA" : "",
1ec9dd80bedc208 Paul Burton 2017-08-12 155 (cca_unsuitable && cpu_has_dc_aliases) ? " & " : "",
1ec9dd80bedc208 Paul Burton 2017-08-12 156 cpu_has_dc_aliases ? "dcache aliasing" : "");
5c399f6eb2c3911 Paul Burton 2014-04-14 157
0155a06529d4c84 Paul Burton 2014-04-16 158 /*
0155a06529d4c84 Paul Burton 2014-04-16 159 * Patch the start of mips_cps_core_entry to provide:
0155a06529d4c84 Paul Burton 2014-04-16 160 *
0155a06529d4c84 Paul Burton 2014-04-16 161 * s0 = kseg0 CCA
0155a06529d4c84 Paul Burton 2014-04-16 162 */
0f4d3d1155d9a5e Paul Burton 2014-04-14 163 entry_code = (u32 *)&mips_cps_core_entry;
0155a06529d4c84 Paul Burton 2014-04-16 164 uasm_i_addiu(&entry_code, 16, 0, cca);
fea8826d5fdc4ff Jiaxun Yang 2023-02-27 @165 UASM_i_LA(&entry_code, 17, (long)mips_gcr_base);
fea8826d5fdc4ff Jiaxun Yang 2023-02-27 166 BUG_ON((void *)entry_code > (void *)&mips_cps_core_entry_patch_end);
0fc0708a8a2e6ff Paul Burton 2014-07-09 167 blast_dcache_range((unsigned long)&mips_cps_core_entry,
0fc0708a8a2e6ff Paul Burton 2014-07-09 168 (unsigned long)entry_code);
0fc0708a8a2e6ff Paul Burton 2014-07-09 169 bc_wback_inv((unsigned long)&mips_cps_core_entry,
0f4d3d1155d9a5e Paul Burton 2014-04-14 170 (void *)entry_code - (void *)&mips_cps_core_entry);
0fc0708a8a2e6ff Paul Burton 2014-07-09 171 __sync();
0f4d3d1155d9a5e Paul Burton 2014-04-14 172
245a7868d2f2e54 Paul Burton 2014-04-14 173 /* Allocate core boot configuration structs */
1ec9dd80bedc208 Paul Burton 2017-08-12 174 ncores = mips_cps_numcores(0);
245a7868d2f2e54 Paul Burton 2014-04-14 175 mips_cps_core_bootcfg = kcalloc(ncores, sizeof(*mips_cps_core_bootcfg),
245a7868d2f2e54 Paul Burton 2014-04-14 176 GFP_KERNEL);
245a7868d2f2e54 Paul Burton 2014-04-14 177 if (!mips_cps_core_bootcfg) {
245a7868d2f2e54 Paul Burton 2014-04-14 178 pr_err("Failed to allocate boot config for %u cores\n", ncores);
245a7868d2f2e54 Paul Burton 2014-04-14 179 goto err_out;
0ee958e102b62b4 Paul Burton 2014-01-15 180 }
0ee958e102b62b4 Paul Burton 2014-01-15 181
245a7868d2f2e54 Paul Burton 2014-04-14 182 /* Allocate VPE boot configuration structs */
245a7868d2f2e54 Paul Burton 2014-04-14 183 for (c = 0; c < ncores; c++) {
1ec9dd80bedc208 Paul Burton 2017-08-12 184 core_vpes = core_vpe_count(0, c);
245a7868d2f2e54 Paul Burton 2014-04-14 185 mips_cps_core_bootcfg[c].vpe_config = kcalloc(core_vpes,
245a7868d2f2e54 Paul Burton 2014-04-14 186 sizeof(*mips_cps_core_bootcfg[c].vpe_config),
245a7868d2f2e54 Paul Burton 2014-04-14 187 GFP_KERNEL);
245a7868d2f2e54 Paul Burton 2014-04-14 188 if (!mips_cps_core_bootcfg[c].vpe_config) {
245a7868d2f2e54 Paul Burton 2014-04-14 189 pr_err("Failed to allocate %u VPE boot configs\n",
245a7868d2f2e54 Paul Burton 2014-04-14 190 core_vpes);
245a7868d2f2e54 Paul Burton 2014-04-14 191 goto err_out;
245a7868d2f2e54 Paul Burton 2014-04-14 192 }
0ee958e102b62b4 Paul Burton 2014-01-15 193 }
0ee958e102b62b4 Paul Burton 2014-01-15 194
245a7868d2f2e54 Paul Burton 2014-04-14 195 /* Mark this CPU as booted */
f875a832d202852 Paul Burton 2017-08-12 196 atomic_set(&mips_cps_core_bootcfg[cpu_core(¤t_cpu_data)].vpe_mask,
245a7868d2f2e54 Paul Burton 2014-04-14 197 1 << cpu_vpe_id(¤t_cpu_data));
245a7868d2f2e54 Paul Burton 2014-04-14 198
245a7868d2f2e54 Paul Burton 2014-04-14 199 return;
245a7868d2f2e54 Paul Burton 2014-04-14 200 err_out:
245a7868d2f2e54 Paul Burton 2014-04-14 201 /* Clean up allocations */
245a7868d2f2e54 Paul Burton 2014-04-14 202 if (mips_cps_core_bootcfg) {
245a7868d2f2e54 Paul Burton 2014-04-14 203 for (c = 0; c < ncores; c++)
245a7868d2f2e54 Paul Burton 2014-04-14 204 kfree(mips_cps_core_bootcfg[c].vpe_config);
245a7868d2f2e54 Paul Burton 2014-04-14 205 kfree(mips_cps_core_bootcfg);
245a7868d2f2e54 Paul Burton 2014-04-14 206 mips_cps_core_bootcfg = NULL;
245a7868d2f2e54 Paul Burton 2014-04-14 207 }
245a7868d2f2e54 Paul Burton 2014-04-14 208
245a7868d2f2e54 Paul Burton 2014-04-14 209 /* Effectively disable SMP by declaring CPUs not present */
245a7868d2f2e54 Paul Burton 2014-04-14 210 for_each_possible_cpu(c) {
245a7868d2f2e54 Paul Burton 2014-04-14 211 if (c == 0)
245a7868d2f2e54 Paul Burton 2014-04-14 212 continue;
245a7868d2f2e54 Paul Burton 2014-04-14 213 set_cpu_present(c, false);
245a7868d2f2e54 Paul Burton 2014-04-14 214 }
245a7868d2f2e54 Paul Burton 2014-04-14 215 }
245a7868d2f2e54 Paul Burton 2014-04-14 216
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 5+ messages in thread
* arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
@ 2023-12-01 10:09 kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2023-12-01 10:09 UTC (permalink / raw)
To: Jiaxun Yang; +Cc: oe-kbuild-all, linux-kernel, Thomas Bogendoerfer
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 994d5c58e50e91bb02c7be4a91d5186292a895c8
commit: fea8826d5fdc4ff5c93e883a738597129614039c MIPS: smp-cps: Don't rely on CP0_CMGCRBASE
date: 9 months ago
config: mips-randconfig-r122-20231108 (https://download.01.org/0day-ci/archive/20231201/202312011758.7OxUUAY3-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231201/202312011758.7OxUUAY3-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312011758.7OxUUAY3-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:131:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
vim +/__iomem +165 arch/mips/kernel/smp-cps.c
118
119 static void __init cps_prepare_cpus(unsigned int max_cpus)
120 {
121 unsigned ncores, core_vpes, c, cca;
122 bool cca_unsuitable, cores_limited;
123 u32 *entry_code;
124
125 mips_mt_set_cpuoptions();
126
127 /* Detect whether the CCA is unsuited to multi-core SMP */
128 cca = read_c0_config() & CONF_CM_CMASK;
129 switch (cca) {
130 case 0x4: /* CWBE */
131 case 0x5: /* CWB */
132 /* The CCA is coherent, multi-core is fine */
133 cca_unsuitable = false;
134 break;
135
136 default:
137 /* CCA is not coherent, multi-core is not usable */
138 cca_unsuitable = true;
139 }
140
141 /* Warn the user if the CCA prevents multi-core */
142 cores_limited = false;
143 if (cca_unsuitable || cpu_has_dc_aliases) {
144 for_each_present_cpu(c) {
145 if (cpus_are_siblings(smp_processor_id(), c))
146 continue;
147
148 set_cpu_present(c, false);
149 cores_limited = true;
150 }
151 }
152 if (cores_limited)
153 pr_warn("Using only one core due to %s%s%s\n",
154 cca_unsuitable ? "unsuitable CCA" : "",
155 (cca_unsuitable && cpu_has_dc_aliases) ? " & " : "",
156 cpu_has_dc_aliases ? "dcache aliasing" : "");
157
158 /*
159 * Patch the start of mips_cps_core_entry to provide:
160 *
161 * s0 = kseg0 CCA
162 */
163 entry_code = (u32 *)&mips_cps_core_entry;
164 uasm_i_addiu(&entry_code, 16, 0, cca);
> 165 UASM_i_LA(&entry_code, 17, (long)mips_gcr_base);
166 BUG_ON((void *)entry_code > (void *)&mips_cps_core_entry_patch_end);
167 blast_dcache_range((unsigned long)&mips_cps_core_entry,
168 (unsigned long)entry_code);
169 bc_wback_inv((unsigned long)&mips_cps_core_entry,
170 (void *)entry_code - (void *)&mips_cps_core_entry);
171 __sync();
172
173 /* Allocate core boot configuration structs */
174 ncores = mips_cps_numcores(0);
175 mips_cps_core_bootcfg = kcalloc(ncores, sizeof(*mips_cps_core_bootcfg),
176 GFP_KERNEL);
177 if (!mips_cps_core_bootcfg) {
178 pr_err("Failed to allocate boot config for %u cores\n", ncores);
179 goto err_out;
180 }
181
182 /* Allocate VPE boot configuration structs */
183 for (c = 0; c < ncores; c++) {
184 core_vpes = core_vpe_count(0, c);
185 mips_cps_core_bootcfg[c].vpe_config = kcalloc(core_vpes,
186 sizeof(*mips_cps_core_bootcfg[c].vpe_config),
187 GFP_KERNEL);
188 if (!mips_cps_core_bootcfg[c].vpe_config) {
189 pr_err("Failed to allocate %u VPE boot configs\n",
190 core_vpes);
191 goto err_out;
192 }
193 }
194
195 /* Mark this CPU as booted */
196 atomic_set(&mips_cps_core_bootcfg[cpu_core(¤t_cpu_data)].vpe_mask,
197 1 << cpu_vpe_id(¤t_cpu_data));
198
199 return;
200 err_out:
201 /* Clean up allocations */
202 if (mips_cps_core_bootcfg) {
203 for (c = 0; c < ncores; c++)
204 kfree(mips_cps_core_bootcfg[c].vpe_config);
205 kfree(mips_cps_core_bootcfg);
206 mips_cps_core_bootcfg = NULL;
207 }
208
209 /* Effectively disable SMP by declaring CPUs not present */
210 for_each_possible_cpu(c) {
211 if (c == 0)
212 continue;
213 set_cpu_present(c, false);
214 }
215 }
216
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 5+ messages in thread
* arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
@ 2023-12-05 19:11 kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2023-12-05 19:11 UTC (permalink / raw)
To: Jiaxun Yang; +Cc: oe-kbuild-all, linux-kernel, Thomas Bogendoerfer
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: bee0e7762ad2c6025b9f5245c040fcc36ef2bde8
commit: fea8826d5fdc4ff5c93e883a738597129614039c MIPS: smp-cps: Don't rely on CP0_CMGCRBASE
date: 9 months ago
config: mips-randconfig-r122-20231108 (https://download.01.org/0day-ci/archive/20231206/202312060347.7gSJptjV-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231206/202312060347.7gSJptjV-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312060347.7gSJptjV-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:131:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
vim +/__iomem +165 arch/mips/kernel/smp-cps.c
118
119 static void __init cps_prepare_cpus(unsigned int max_cpus)
120 {
121 unsigned ncores, core_vpes, c, cca;
122 bool cca_unsuitable, cores_limited;
123 u32 *entry_code;
124
125 mips_mt_set_cpuoptions();
126
127 /* Detect whether the CCA is unsuited to multi-core SMP */
128 cca = read_c0_config() & CONF_CM_CMASK;
129 switch (cca) {
130 case 0x4: /* CWBE */
131 case 0x5: /* CWB */
132 /* The CCA is coherent, multi-core is fine */
133 cca_unsuitable = false;
134 break;
135
136 default:
137 /* CCA is not coherent, multi-core is not usable */
138 cca_unsuitable = true;
139 }
140
141 /* Warn the user if the CCA prevents multi-core */
142 cores_limited = false;
143 if (cca_unsuitable || cpu_has_dc_aliases) {
144 for_each_present_cpu(c) {
145 if (cpus_are_siblings(smp_processor_id(), c))
146 continue;
147
148 set_cpu_present(c, false);
149 cores_limited = true;
150 }
151 }
152 if (cores_limited)
153 pr_warn("Using only one core due to %s%s%s\n",
154 cca_unsuitable ? "unsuitable CCA" : "",
155 (cca_unsuitable && cpu_has_dc_aliases) ? " & " : "",
156 cpu_has_dc_aliases ? "dcache aliasing" : "");
157
158 /*
159 * Patch the start of mips_cps_core_entry to provide:
160 *
161 * s0 = kseg0 CCA
162 */
163 entry_code = (u32 *)&mips_cps_core_entry;
164 uasm_i_addiu(&entry_code, 16, 0, cca);
> 165 UASM_i_LA(&entry_code, 17, (long)mips_gcr_base);
166 BUG_ON((void *)entry_code > (void *)&mips_cps_core_entry_patch_end);
167 blast_dcache_range((unsigned long)&mips_cps_core_entry,
168 (unsigned long)entry_code);
169 bc_wback_inv((unsigned long)&mips_cps_core_entry,
170 (void *)entry_code - (void *)&mips_cps_core_entry);
171 __sync();
172
173 /* Allocate core boot configuration structs */
174 ncores = mips_cps_numcores(0);
175 mips_cps_core_bootcfg = kcalloc(ncores, sizeof(*mips_cps_core_bootcfg),
176 GFP_KERNEL);
177 if (!mips_cps_core_bootcfg) {
178 pr_err("Failed to allocate boot config for %u cores\n", ncores);
179 goto err_out;
180 }
181
182 /* Allocate VPE boot configuration structs */
183 for (c = 0; c < ncores; c++) {
184 core_vpes = core_vpe_count(0, c);
185 mips_cps_core_bootcfg[c].vpe_config = kcalloc(core_vpes,
186 sizeof(*mips_cps_core_bootcfg[c].vpe_config),
187 GFP_KERNEL);
188 if (!mips_cps_core_bootcfg[c].vpe_config) {
189 pr_err("Failed to allocate %u VPE boot configs\n",
190 core_vpes);
191 goto err_out;
192 }
193 }
194
195 /* Mark this CPU as booted */
196 atomic_set(&mips_cps_core_bootcfg[cpu_core(¤t_cpu_data)].vpe_mask,
197 1 << cpu_vpe_id(¤t_cpu_data));
198
199 return;
200 err_out:
201 /* Clean up allocations */
202 if (mips_cps_core_bootcfg) {
203 for (c = 0; c < ncores; c++)
204 kfree(mips_cps_core_bootcfg[c].vpe_config);
205 kfree(mips_cps_core_bootcfg);
206 mips_cps_core_bootcfg = NULL;
207 }
208
209 /* Effectively disable SMP by declaring CPUs not present */
210 for_each_possible_cpu(c) {
211 if (c == 0)
212 continue;
213 set_cpu_present(c, false);
214 }
215 }
216
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 5+ messages in thread
* arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
@ 2023-12-07 17:49 kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2023-12-07 17:49 UTC (permalink / raw)
To: Jiaxun Yang; +Cc: oe-kbuild-all, linux-kernel, Thomas Bogendoerfer
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: bee0e7762ad2c6025b9f5245c040fcc36ef2bde8
commit: fea8826d5fdc4ff5c93e883a738597129614039c MIPS: smp-cps: Don't rely on CP0_CMGCRBASE
date: 9 months ago
config: mips-randconfig-r122-20231108 (https://download.01.org/0day-ci/archive/20231208/202312080113.FNv9u897-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231208/202312080113.FNv9u897-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312080113.FNv9u897-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:131:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
vim +/__iomem +165 arch/mips/kernel/smp-cps.c
118
119 static void __init cps_prepare_cpus(unsigned int max_cpus)
120 {
121 unsigned ncores, core_vpes, c, cca;
122 bool cca_unsuitable, cores_limited;
123 u32 *entry_code;
124
125 mips_mt_set_cpuoptions();
126
127 /* Detect whether the CCA is unsuited to multi-core SMP */
128 cca = read_c0_config() & CONF_CM_CMASK;
129 switch (cca) {
130 case 0x4: /* CWBE */
131 case 0x5: /* CWB */
132 /* The CCA is coherent, multi-core is fine */
133 cca_unsuitable = false;
134 break;
135
136 default:
137 /* CCA is not coherent, multi-core is not usable */
138 cca_unsuitable = true;
139 }
140
141 /* Warn the user if the CCA prevents multi-core */
142 cores_limited = false;
143 if (cca_unsuitable || cpu_has_dc_aliases) {
144 for_each_present_cpu(c) {
145 if (cpus_are_siblings(smp_processor_id(), c))
146 continue;
147
148 set_cpu_present(c, false);
149 cores_limited = true;
150 }
151 }
152 if (cores_limited)
153 pr_warn("Using only one core due to %s%s%s\n",
154 cca_unsuitable ? "unsuitable CCA" : "",
155 (cca_unsuitable && cpu_has_dc_aliases) ? " & " : "",
156 cpu_has_dc_aliases ? "dcache aliasing" : "");
157
158 /*
159 * Patch the start of mips_cps_core_entry to provide:
160 *
161 * s0 = kseg0 CCA
162 */
163 entry_code = (u32 *)&mips_cps_core_entry;
164 uasm_i_addiu(&entry_code, 16, 0, cca);
> 165 UASM_i_LA(&entry_code, 17, (long)mips_gcr_base);
166 BUG_ON((void *)entry_code > (void *)&mips_cps_core_entry_patch_end);
167 blast_dcache_range((unsigned long)&mips_cps_core_entry,
168 (unsigned long)entry_code);
169 bc_wback_inv((unsigned long)&mips_cps_core_entry,
170 (void *)entry_code - (void *)&mips_cps_core_entry);
171 __sync();
172
173 /* Allocate core boot configuration structs */
174 ncores = mips_cps_numcores(0);
175 mips_cps_core_bootcfg = kcalloc(ncores, sizeof(*mips_cps_core_bootcfg),
176 GFP_KERNEL);
177 if (!mips_cps_core_bootcfg) {
178 pr_err("Failed to allocate boot config for %u cores\n", ncores);
179 goto err_out;
180 }
181
182 /* Allocate VPE boot configuration structs */
183 for (c = 0; c < ncores; c++) {
184 core_vpes = core_vpe_count(0, c);
185 mips_cps_core_bootcfg[c].vpe_config = kcalloc(core_vpes,
186 sizeof(*mips_cps_core_bootcfg[c].vpe_config),
187 GFP_KERNEL);
188 if (!mips_cps_core_bootcfg[c].vpe_config) {
189 pr_err("Failed to allocate %u VPE boot configs\n",
190 core_vpes);
191 goto err_out;
192 }
193 }
194
195 /* Mark this CPU as booted */
196 atomic_set(&mips_cps_core_bootcfg[cpu_core(¤t_cpu_data)].vpe_mask,
197 1 << cpu_vpe_id(¤t_cpu_data));
198
199 return;
200 err_out:
201 /* Clean up allocations */
202 if (mips_cps_core_bootcfg) {
203 for (c = 0; c < ncores; c++)
204 kfree(mips_cps_core_bootcfg[c].vpe_config);
205 kfree(mips_cps_core_bootcfg);
206 mips_cps_core_bootcfg = NULL;
207 }
208
209 /* Effectively disable SMP by declaring CPUs not present */
210 for_each_possible_cpu(c) {
211 if (c == 0)
212 continue;
213 set_cpu_present(c, false);
214 }
215 }
216
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 5+ messages in thread
* arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
@ 2023-12-14 12:07 kernel test robot
0 siblings, 0 replies; 5+ messages in thread
From: kernel test robot @ 2023-12-14 12:07 UTC (permalink / raw)
To: Jiaxun Yang; +Cc: oe-kbuild-all, linux-kernel, Thomas Bogendoerfer
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5bd7ef53ffe5ca580e93e74eb8c81ed191ddc4bd
commit: fea8826d5fdc4ff5c93e883a738597129614039c MIPS: smp-cps: Don't rely on CP0_CMGCRBASE
date: 10 months ago
config: mips-randconfig-r122-20231108 (https://download.01.org/0day-ci/archive/20231214/202312142008.8HExX4uH-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231214/202312142008.8HExX4uH-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312142008.8HExX4uH-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> arch/mips/kernel/smp-cps.c:165:37: sparse: sparse: cast removes address space '__iomem' of expression
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:292:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:292:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:292:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cpc.h:149:1: sparse: expected void *
arch/mips/include/asm/mips-cpc.h:149:1: sparse: got void [noderef] __iomem *
arch/mips/kernel/smp-cps.c: note: in included file (through arch/mips/include/asm/mips-cps.h, arch/mips/include/asm/smp-ops.h, arch/mips/include/asm/smp.h, ...):
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void const volatile [noderef] __iomem *mem
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:152:1: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@
arch/mips/include/asm/mips-cm.h:152:1: sparse: expected void *
arch/mips/include/asm/mips-cm.h:152:1: sparse: got void [noderef] __iomem *
arch/mips/include/asm/mips-cm.h:131:1: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *mem @@ got void * @@
vim +/__iomem +165 arch/mips/kernel/smp-cps.c
118
119 static void __init cps_prepare_cpus(unsigned int max_cpus)
120 {
121 unsigned ncores, core_vpes, c, cca;
122 bool cca_unsuitable, cores_limited;
123 u32 *entry_code;
124
125 mips_mt_set_cpuoptions();
126
127 /* Detect whether the CCA is unsuited to multi-core SMP */
128 cca = read_c0_config() & CONF_CM_CMASK;
129 switch (cca) {
130 case 0x4: /* CWBE */
131 case 0x5: /* CWB */
132 /* The CCA is coherent, multi-core is fine */
133 cca_unsuitable = false;
134 break;
135
136 default:
137 /* CCA is not coherent, multi-core is not usable */
138 cca_unsuitable = true;
139 }
140
141 /* Warn the user if the CCA prevents multi-core */
142 cores_limited = false;
143 if (cca_unsuitable || cpu_has_dc_aliases) {
144 for_each_present_cpu(c) {
145 if (cpus_are_siblings(smp_processor_id(), c))
146 continue;
147
148 set_cpu_present(c, false);
149 cores_limited = true;
150 }
151 }
152 if (cores_limited)
153 pr_warn("Using only one core due to %s%s%s\n",
154 cca_unsuitable ? "unsuitable CCA" : "",
155 (cca_unsuitable && cpu_has_dc_aliases) ? " & " : "",
156 cpu_has_dc_aliases ? "dcache aliasing" : "");
157
158 /*
159 * Patch the start of mips_cps_core_entry to provide:
160 *
161 * s0 = kseg0 CCA
162 */
163 entry_code = (u32 *)&mips_cps_core_entry;
164 uasm_i_addiu(&entry_code, 16, 0, cca);
> 165 UASM_i_LA(&entry_code, 17, (long)mips_gcr_base);
166 BUG_ON((void *)entry_code > (void *)&mips_cps_core_entry_patch_end);
167 blast_dcache_range((unsigned long)&mips_cps_core_entry,
168 (unsigned long)entry_code);
169 bc_wback_inv((unsigned long)&mips_cps_core_entry,
170 (void *)entry_code - (void *)&mips_cps_core_entry);
171 __sync();
172
173 /* Allocate core boot configuration structs */
174 ncores = mips_cps_numcores(0);
175 mips_cps_core_bootcfg = kcalloc(ncores, sizeof(*mips_cps_core_bootcfg),
176 GFP_KERNEL);
177 if (!mips_cps_core_bootcfg) {
178 pr_err("Failed to allocate boot config for %u cores\n", ncores);
179 goto err_out;
180 }
181
182 /* Allocate VPE boot configuration structs */
183 for (c = 0; c < ncores; c++) {
184 core_vpes = core_vpe_count(0, c);
185 mips_cps_core_bootcfg[c].vpe_config = kcalloc(core_vpes,
186 sizeof(*mips_cps_core_bootcfg[c].vpe_config),
187 GFP_KERNEL);
188 if (!mips_cps_core_bootcfg[c].vpe_config) {
189 pr_err("Failed to allocate %u VPE boot configs\n",
190 core_vpes);
191 goto err_out;
192 }
193 }
194
195 /* Mark this CPU as booted */
196 atomic_set(&mips_cps_core_bootcfg[cpu_core(¤t_cpu_data)].vpe_mask,
197 1 << cpu_vpe_id(¤t_cpu_data));
198
199 return;
200 err_out:
201 /* Clean up allocations */
202 if (mips_cps_core_bootcfg) {
203 for (c = 0; c < ncores; c++)
204 kfree(mips_cps_core_bootcfg[c].vpe_config);
205 kfree(mips_cps_core_bootcfg);
206 mips_cps_core_bootcfg = NULL;
207 }
208
209 /* Effectively disable SMP by declaring CPUs not present */
210 for_each_possible_cpu(c) {
211 if (c == 0)
212 continue;
213 set_cpu_present(c, false);
214 }
215 }
216
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-12-14 12:07 UTC | newest]
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