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Diffstat (limited to 'arch/s390/oprofile/hwsampler.c')
-rw-r--r--arch/s390/oprofile/hwsampler.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c
index 33cbd373cce4..053caa0fd276 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>
@@ -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;
}