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s390/cpum_cf: simplify PMC_INIT and PMC_RELEASE usage
Simplify the use of constants PMC_INIT and PMC_RELEASE. Suggested-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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@ -506,14 +506,14 @@ static void cpumf_pmu_disable(struct pmu *pmu)
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cpuhw->flags &= ~PMU_F_ENABLED;
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}
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#define PMC_INIT 0
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#define PMC_RELEASE 1
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#define PMC_INIT 0UL
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#define PMC_RELEASE 1UL
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static void cpum_cf_setup_cpu(void *flags)
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{
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struct cpu_cf_events *cpuhw = this_cpu_ptr(&cpu_cf_events);
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switch (*((int *)flags)) {
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switch ((unsigned long)flags) {
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case PMC_INIT:
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memset(&cpuhw->info, 0, sizeof(cpuhw->info));
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qctri(&cpuhw->info);
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@ -535,9 +535,7 @@ static void cpum_cf_setup_cpu(void *flags)
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/* Initialize the CPU-measurement counter facility */
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static int __kernel_cpumcf_begin(void)
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{
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int flags = PMC_INIT;
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on_each_cpu(cpum_cf_setup_cpu, &flags, 1);
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on_each_cpu(cpum_cf_setup_cpu, (void *)PMC_INIT, 1);
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irq_subclass_register(IRQ_SUBCLASS_MEASUREMENT_ALERT);
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return 0;
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@ -546,9 +544,7 @@ static int __kernel_cpumcf_begin(void)
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/* Release the CPU-measurement counter facility */
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static void __kernel_cpumcf_end(void)
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{
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int flags = PMC_RELEASE;
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on_each_cpu(cpum_cf_setup_cpu, &flags, 1);
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on_each_cpu(cpum_cf_setup_cpu, (void *)PMC_RELEASE, 1);
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irq_subclass_unregister(IRQ_SUBCLASS_MEASUREMENT_ALERT);
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}
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@ -937,10 +933,10 @@ static struct pmu cpumf_pmu = {
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.read = cpumf_pmu_read,
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};
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static int cpum_cf_setup(unsigned int cpu, int flags)
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static int cpum_cf_setup(unsigned int cpu, unsigned long flags)
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{
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local_irq_disable();
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cpum_cf_setup_cpu(&flags);
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cpum_cf_setup_cpu((void *)flags);
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local_irq_enable();
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return 0;
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}
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