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* [robh:for-arm-ci 1/1] drivers/perf/arm_pmuv3.c:773:6: error: implicit declaration of function 'is_pmuv3p9' is invalid in C99
@ 2024-10-02  8:20 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-10-02  8:20 UTC (permalink / raw)
  To: Rob Herring (Arm); +Cc: llvm, oe-kbuild-all

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-arm-ci
head:   55ba96936d039e7d6fb525e96b4f2780fe60e71a
commit: 55ba96936d039e7d6fb525e96b4f2780fe60e71a [1/1] perf/arm_pmuv3: Add support for PMUv3.9 per counter EL0 access control
config: arm-randconfig-003-20241002 (https://download.01.org/0day-ci/archive/20241002/202410021603.39xH8Msj-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241002/202410021603.39xH8Msj-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/202410021603.39xH8Msj-lkp@intel.com/

All errors (new ones prefixed by >>):

                                                                   ^~~~~~
   drivers/perf/arm_pmuv3.c:140:2: note: previous initialization is here
           PERF_CACHE_MAP_ALL_UNSUPPORTED,
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:49:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED'
                   [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED,       \
                                               ^~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:41:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED'
   #define CACHE_OP_UNSUPPORTED            0xFFFF
                                           ^~~~~~
   drivers/perf/arm_pmuv3.c:147:44: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [C(DTLB)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_TLB_RD,
                                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmuv3.h:134:44: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_L1D_TLB_RD'
   #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_RD                         0x004E
                                                                   ^~~~~~
   drivers/perf/arm_pmuv3.c:140:2: note: previous initialization is here
           PERF_CACHE_MAP_ALL_UNSUPPORTED,
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:49:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED'
                   [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED,       \
                                               ^~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:41:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED'
   #define CACHE_OP_UNSUPPORTED            0xFFFF
                                           ^~~~~~
   drivers/perf/arm_pmuv3.c:148:45: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [C(DTLB)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_TLB_WR,
                                                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmuv3.h:135:44: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_L1D_TLB_WR'
   #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_WR                         0x004F
                                                                   ^~~~~~
   drivers/perf/arm_pmuv3.c:140:2: note: previous initialization is here
           PERF_CACHE_MAP_ALL_UNSUPPORTED,
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:49:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED'
                   [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED,       \
                                               ^~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:41:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED'
   #define CACHE_OP_UNSUPPORTED            0xFFFF
                                           ^~~~~~
   drivers/perf/arm_pmuv3.c:149:42: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [C(DTLB)][C(OP_READ)][C(RESULT_MISS)]   = ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_RD,
                                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmuv3.h:132:50: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_RD'
   #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_RD                  0x004C
                                                                   ^~~~~~
   drivers/perf/arm_pmuv3.c:140:2: note: previous initialization is here
           PERF_CACHE_MAP_ALL_UNSUPPORTED,
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:49:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED'
                   [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED,       \
                                               ^~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:41:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED'
   #define CACHE_OP_UNSUPPORTED            0xFFFF
                                           ^~~~~~
   drivers/perf/arm_pmuv3.c:150:43: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [C(DTLB)][C(OP_WRITE)][C(RESULT_MISS)]  = ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_WR,
                                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmuv3.h:133:50: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_WR'
   #define ARMV8_IMPDEF_PERFCTR_L1D_TLB_REFILL_WR                  0x004D
                                                                   ^~~~~~
   drivers/perf/arm_pmuv3.c:140:2: note: previous initialization is here
           PERF_CACHE_MAP_ALL_UNSUPPORTED,
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:49:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED'
                   [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED,       \
                                               ^~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:41:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED'
   #define CACHE_OP_UNSUPPORTED            0xFFFF
                                           ^~~~~~
   drivers/perf/arm_pmuv3.c:152:44: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD,
                                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmuv3.h:149:46: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD'
   #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD                      0x0060
                                                                   ^~~~~~
   drivers/perf/arm_pmuv3.c:140:2: note: previous initialization is here
           PERF_CACHE_MAP_ALL_UNSUPPORTED,
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:49:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED'
                   [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED,       \
                                               ^~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:41:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED'
   #define CACHE_OP_UNSUPPORTED            0xFFFF
                                           ^~~~~~
   drivers/perf/arm_pmuv3.c:153:45: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides]
           [C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR,
                                                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmuv3.h:150:46: note: expanded from macro 'ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR'
   #define ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR                      0x0061
                                                                   ^~~~~~
   drivers/perf/arm_pmuv3.c:140:2: note: previous initialization is here
           PERF_CACHE_MAP_ALL_UNSUPPORTED,
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:49:31: note: expanded from macro 'PERF_CACHE_MAP_ALL_UNSUPPORTED'
                   [0 ... C(RESULT_MAX) - 1] = CACHE_OP_UNSUPPORTED,       \
                                               ^~~~~~~~~~~~~~~~~~~~
   include/linux/perf/arm_pmu.h:41:31: note: expanded from macro 'CACHE_OP_UNSUPPORTED'
   #define CACHE_OP_UNSUPPORTED            0xFFFF
                                           ^~~~~~
>> drivers/perf/arm_pmuv3.c:773:6: error: implicit declaration of function 'is_pmuv3p9' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           if (is_pmuv3p9(cpu_pmu->pmuver)) {
               ^
>> drivers/perf/arm_pmuv3.c:779:3: error: implicit declaration of function 'write_pmuacr' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                   write_pmuacr(mask);
                   ^
   drivers/perf/arm_pmuv3.c:779:3: note: did you mean 'write_pmcr'?
   arch/arm/include/asm/arm_pmuv3.h:136:20: note: 'write_pmcr' declared here
   static inline void write_pmcr(u32 val)
                      ^
   55 warnings and 2 errors generated.


vim +/is_pmuv3p9 +773 drivers/perf/arm_pmuv3.c

   767	
   768	static void armv8pmu_enable_user_access(struct arm_pmu *cpu_pmu)
   769	{
   770		int i;
   771		struct pmu_hw_events *cpuc = this_cpu_ptr(cpu_pmu->hw_events);
   772	
 > 773		if (is_pmuv3p9(cpu_pmu->pmuver)) {
   774			u64 mask = 0;
   775			for_each_set_bit(i, cpuc->used_mask, ARMPMU_MAX_HWEVENTS) {
   776				if (armv8pmu_event_has_user_read(cpuc->events[i]))
   777					mask |= BIT(i);
   778			}
 > 779			write_pmuacr(mask);
   780		} else {
   781			/* Clear any unused counters to avoid leaking their contents */
   782			for_each_andnot_bit(i, cpu_pmu->cntr_mask, cpuc->used_mask,
   783					    ARMPMU_MAX_HWEVENTS) {
   784				if (i == ARMV8_PMU_CYCLE_IDX)
   785					write_pmccntr(0);
   786				else if (i == ARMV8_PMU_INSTR_IDX)
   787					write_pmicntr(0);
   788				else
   789					armv8pmu_write_evcntr(i, 0);
   790			}
   791		}
   792	
   793		update_pmuserenr(ARMV8_PMU_USERENR_ER | ARMV8_PMU_USERENR_CR | ARMV8_PMU_USERENR_UEN);
   794	}
   795	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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