diff options
Diffstat (limited to 'arch/s390/oprofile')
| -rw-r--r-- | arch/s390/oprofile/hwsampler.c | 52 |
1 files changed, 23 insertions, 29 deletions
diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c index 12bea05a0fc..c6646de07bf 100644 --- a/arch/s390/oprofile/hwsampler.c +++ b/arch/s390/oprofile/hwsampler.c @@ -18,7 +18,8 @@ #include <linux/oom.h> #include <linux/oprofile.h> -#include <asm/lowcore.h> +#include <asm/facility.h> +#include <asm/cpu_mf.h> #include <asm/irq.h> #include "hwsampler.h" @@ -30,12 +31,6 @@ #define ALERT_REQ_MASK 0x4000000000000000ul #define BUFFER_FULL_MASK 0x8000000000000000ul -#define EI_IEA (1 << 31) /* invalid entry address */ -#define EI_ISE (1 << 30) /* incorrect SDBT entry */ -#define EI_PRA (1 << 29) /* program request alert */ -#define EI_SACA (1 << 23) /* sampler authorization change alert */ -#define EI_LSDA (1 << 22) /* loss of sample data alert */ - DECLARE_PER_CPU(struct hws_cpu_buffer, sampler_cpu_buffer); struct hws_execute_parms { @@ -232,9 +227,20 @@ static inline unsigned long *trailer_entry_ptr(unsigned long v) return (unsigned long *) ret; } -/* prototypes for external interrupt handler and worker */ static void hws_ext_handler(struct ext_code ext_code, - unsigned int param32, unsigned long param64); + unsigned int param32, unsigned long param64) +{ + struct hws_cpu_buffer *cb = &__get_cpu_var(sampler_cpu_buffer); + + if (!(param32 & CPU_MF_INT_SF_MASK)) + return; + + kstat_cpu(smp_processor_id()).irqs[EXTINT_CPM]++; + atomic_xchg(&cb->ext_params, atomic_read(&cb->ext_params) | param32); + + if (hws_wq) + queue_work(hws_wq, &cb->worker); +} static void worker(struct work_struct *work); @@ -673,18 +679,6 @@ int hwsampler_activate(unsigned int cpu) return rc; } -static void hws_ext_handler(struct ext_code ext_code, - unsigned int param32, unsigned long param64) -{ - struct hws_cpu_buffer *cb; - - 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); -} - static int check_qsi_on_setup(void) { int rc; @@ -760,23 +754,23 @@ static int worker_check_error(unsigned int cpu, int ext_params) if (!sdbt || !*sdbt) return -EINVAL; - if (ext_params & EI_PRA) + if (ext_params & CPU_MF_INT_SF_PRA) cb->req_alert++; - if (ext_params & EI_LSDA) + if (ext_params & CPU_MF_INT_SF_LSDA) cb->loss_of_sample_data++; - if (ext_params & EI_IEA) { + if (ext_params & CPU_MF_INT_SF_IAE) { cb->invalid_entry_address++; rc = -EINVAL; } - if (ext_params & EI_ISE) { + if (ext_params & CPU_MF_INT_SF_ISE) { cb->incorrect_sdbt_entry++; rc = -EINVAL; } - if (ext_params & EI_SACA) { + if (ext_params & CPU_MF_INT_SF_SACA) { cb->sample_auth_change_alert++; rc = -EINVAL; } @@ -1009,7 +1003,7 @@ int hwsampler_deallocate(void) if (hws_state != HWS_STOPPED) goto deallocate_exit; - ctl_clear_bit(0, 5); /* set bit 58 CR0 off */ + measurement_alert_subclass_unregister(); deallocate_sdbt(); hws_state = HWS_DEALLOCATED; @@ -1123,7 +1117,7 @@ int hwsampler_shutdown(void) mutex_lock(&hws_sem); if (hws_state == HWS_STOPPED) { - ctl_clear_bit(0, 5); /* set bit 58 CR0 off */ + measurement_alert_subclass_unregister(); deallocate_sdbt(); } if (hws_wq) { @@ -1198,7 +1192,7 @@ start_all_exit: hws_oom = 1; hws_flush_all = 0; /* now let them in, 1407 CPUMF external interrupts */ - ctl_set_bit(0, 5); /* set CR0 bit 58 */ + measurement_alert_subclass_register(); return 0; } |