diff options
Diffstat (limited to 'arch/s390/kernel/perf_cpum_cf_common.c')
| -rw-r--r-- | arch/s390/kernel/perf_cpum_cf_common.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/arch/s390/kernel/perf_cpum_cf_common.c b/arch/s390/kernel/perf_cpum_cf_common.c index 4824e3461b5b..99523dc3fc8b 100644 --- a/arch/s390/kernel/perf_cpum_cf_common.c +++ b/arch/s390/kernel/perf_cpum_cf_common.c @@ -27,7 +27,6 @@ DEFINE_PER_CPU(struct cpu_cf_events, cpu_cf_events) = { [CPUMF_CTR_SET_EXT] = ATOMIC_INIT(0), [CPUMF_CTR_SET_MT_DIAG] = ATOMIC_INIT(0), }, - .alert = ATOMIC64_INIT(0), .state = 0, .dev_state = 0, .flags = 0, @@ -67,9 +66,6 @@ static void cpumf_measurement_alert(struct ext_code ext_code, if (alert & CPU_MF_INT_CF_MTDA) pr_warn("CPU[%i] MT counter data was lost\n", smp_processor_id()); - - /* store alert for special handling by in-kernel users */ - atomic64_or(alert, &cpuhw->alert); } #define PMC_INIT 0 @@ -94,12 +90,6 @@ static void cpum_cf_setup_cpu(void *flags) lcctl(0); } -bool kernel_cpumcf_avail(void) -{ - return cpum_cf_initalized; -} -EXPORT_SYMBOL(kernel_cpumcf_avail); - /* Initialize the CPU-measurement counter facility */ int __kernel_cpumcf_begin(void) { @@ -112,20 +102,6 @@ int __kernel_cpumcf_begin(void) } EXPORT_SYMBOL(__kernel_cpumcf_begin); -/* Obtain the CPU-measurement alerts for the counter facility */ -unsigned long kernel_cpumcf_alert(int clear) -{ - struct cpu_cf_events *cpuhw = this_cpu_ptr(&cpu_cf_events); - unsigned long alert; - - alert = atomic64_read(&cpuhw->alert); - if (clear) - atomic64_set(&cpuhw->alert, 0); - - return alert; -} -EXPORT_SYMBOL(kernel_cpumcf_alert); - /* Release the CPU-measurement counter facility */ void __kernel_cpumcf_end(void) { |