Hi Matt, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/perf/core] [also build test ERROR on v4.16 next-20180403] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Matt-Redfearn/MIPS-perf-MT-fixes-and-improvements/20180404-011026 config: mips-gpr_defconfig (attached as .config) compiler: mipsel-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=mips All error/warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:14:0, from include/linux/cpumask.h:10, from arch/mips/kernel/perf_event_mipsxx.c:18: arch/mips/kernel/perf_event_mipsxx.c: In function 'mipsxx_pmu_free_counter': >> arch/mips/kernel/perf_event_mipsxx.c:365:42: error: 'cpu' undeclared (first use in this function) pr_debug("CPU%d released counter %d\n", cpu, hwc->idx); ^ include/linux/printk.h:136:17: note: in definition of macro 'no_printk' printk(fmt, ##__VA_ARGS__); \ ^~~~~~~~~~~ >> arch/mips/kernel/perf_event_mipsxx.c:365:2: note: in expansion of macro 'pr_debug' pr_debug("CPU%d released counter %d\n", cpu, hwc->idx); ^~~~~~~~ arch/mips/kernel/perf_event_mipsxx.c:365:42: note: each undeclared identifier is reported only once for each function it appears in pr_debug("CPU%d released counter %d\n", cpu, hwc->idx); ^ include/linux/printk.h:136:17: note: in definition of macro 'no_printk' printk(fmt, ##__VA_ARGS__); \ ^~~~~~~~~~~ >> arch/mips/kernel/perf_event_mipsxx.c:365:2: note: in expansion of macro 'pr_debug' pr_debug("CPU%d released counter %d\n", cpu, hwc->idx); ^~~~~~~~ arch/mips/kernel/perf_event_mipsxx.c: In function 'mipsxx_pmu_enable_event': arch/mips/kernel/perf_event_mipsxx.c:386:22: error: expected expression before ')' token } else if (range > V) { ^ arch/mips/kernel/perf_event_mipsxx.c: In function 'mipspmu_perf_event_encode': arch/mips/kernel/perf_event_mipsxx.c:718:28: error: 'const struct mips_perf_event' has no member named 'range' return ((unsigned int)pev->range << 24) | ^~ vim +/cpu +365 arch/mips/kernel/perf_event_mipsxx.c 339 340 static void mipsxx_pmu_free_counter(struct cpu_hw_events *cpuc, 341 struct hw_perf_event *hwc) 342 { 343 #ifdef CONFIG_MIPS_PERF_SHARED_TC_COUNTERS 344 int sibling_cpu, cpu = smp_processor_id(); 345 346 /* When counters are per-core, free them in all sibling CPUs */ 347 if (!cpu_has_mipsmt_pertccounters) { 348 struct cpu_hw_events *sibling_cpuc; 349 unsigned long flags; 350 351 spin_lock_irqsave(&core_counters_lock, flags); 352 353 for_each_cpu(sibling_cpu, &cpu_sibling_map[cpu]) { 354 sibling_cpuc = per_cpu_ptr(&cpu_hw_events, sibling_cpu); 355 356 clear_bit(hwc->idx, sibling_cpuc->used_mask); 357 pr_debug("CPU%d released core counter %d\n", 358 sibling_cpu, hwc->idx); 359 } 360 361 spin_unlock_irqrestore(&core_counters_lock, flags); 362 return; 363 } 364 #endif > 365 pr_debug("CPU%d released counter %d\n", cpu, hwc->idx); 366 clear_bit(hwc->idx, cpuc->used_mask); 367 } 368 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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