diff options
Diffstat (limited to 'arch/s390/oprofile/hwsampler.c')
| -rw-r--r-- | arch/s390/oprofile/hwsampler.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c index 33cbd373cce4..4552ce40c81a 100644 --- a/arch/s390/oprofile/hwsampler.c +++ b/arch/s390/oprofile/hwsampler.c @@ -5,6 +5,7 @@ * Author: Heinz Graalfs <graalfs@de.ibm.com> */ +#include <linux/kernel_stat.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/smp.h> @@ -18,7 +19,7 @@ #include <linux/oprofile.h> #include <asm/lowcore.h> -#include <asm/s390_ext.h> +#include <asm/irq.h> #include "hwsampler.h" @@ -579,7 +580,7 @@ static int hws_cpu_callback(struct notifier_block *nfb, { /* We do not have sampler space available for all possible CPUs. All CPUs should be online when hw sampling is activated. */ - return NOTIFY_BAD; + return (hws_state <= HWS_DEALLOCATED) ? NOTIFY_OK : NOTIFY_BAD; } static struct notifier_block hws_cpu_notifier = { @@ -674,17 +675,11 @@ int hwsampler_activate(unsigned int cpu) static void hws_ext_handler(unsigned int ext_int_code, unsigned int param32, unsigned long param64) { - int cpu; struct hws_cpu_buffer *cb; - cpu = smp_processor_id(); - cb = &per_cpu(sampler_cpu_buffer, cpu); - - atomic_xchg( - &cb->ext_params, - atomic_read(&cb->ext_params) - | S390_lowcore.ext_params); - + kstat_cpu(smp_processor_id()).irqs[EXTINT_CPM]++; + cb = &__get_cpu_var(sampler_cpu_buffer); + atomic_xchg(&cb->ext_params, atomic_read(&cb->ext_params) | param32); if (hws_wq) queue_work(hws_wq, &cb->worker); } @@ -764,7 +759,7 @@ static int worker_check_error(unsigned int cpu, int ext_params) if (!sdbt || !*sdbt) return -EINVAL; - if (ext_params & EI_IEA) + if (ext_params & EI_PRA) cb->req_alert++; if (ext_params & EI_LSDA) @@ -1009,7 +1004,7 @@ int hwsampler_deallocate() if (hws_state != HWS_STOPPED) goto deallocate_exit; - smp_ctl_clear_bit(0, 5); /* set bit 58 CR0 off */ + ctl_clear_bit(0, 5); /* set bit 58 CR0 off */ deallocate_sdbt(); hws_state = HWS_DEALLOCATED; @@ -1123,7 +1118,7 @@ int hwsampler_shutdown() mutex_lock(&hws_sem); if (hws_state == HWS_STOPPED) { - smp_ctl_clear_bit(0, 5); /* set bit 58 CR0 off */ + ctl_clear_bit(0, 5); /* set bit 58 CR0 off */ deallocate_sdbt(); } if (hws_wq) { @@ -1198,7 +1193,7 @@ start_all_exit: hws_oom = 1; hws_flush_all = 0; /* now let them in, 1407 CPUMF external interrupts */ - smp_ctl_set_bit(0, 5); /* set CR0 bit 58 */ + ctl_set_bit(0, 5); /* set CR0 bit 58 */ return 0; } |