Merge branch 'for-tip' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile...

[firefly-linux-kernel-4.4.55.git] / arch / s390 / oprofile / hwsampler.c

diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c
index f43c0e4282af5e46033b4a97349cf1fce4d88c26..9daee91e6c3fc20f8668a1797a8d388c102b62aa 100644 (file)
--- a/arch/s390/oprofile/hwsampler.c
+++ b/arch/s390/oprofile/hwsampler.c
@@ -22,6 +22,7 @@
 #include <asm/irq.h>
 
 #include "hwsampler.h"
+#include "op_counter.h"
 
 #define MAX_NUM_SDB 511
 #define MIN_NUM_SDB 1
@@ -896,6 +897,8 @@ static void add_samples_to_oprofile(unsigned int cpu, unsigned long *sdbt,
                if (sample_data_ptr->P == 1) {
                        /* userspace sample */
                        unsigned int pid = sample_data_ptr->prim_asn;
+                       if (!counter_config.user)
+                               goto skip_sample;
                        rcu_read_lock();
                        tsk = pid_task(find_vpid(pid), PIDTYPE_PID);
                        if (tsk)
@@ -903,6 +906,8 @@ static void add_samples_to_oprofile(unsigned int cpu, unsigned long *sdbt,
                        rcu_read_unlock();
                } else {
                        /* kernelspace sample */
+                       if (!counter_config.kernel)
+                               goto skip_sample;
                        regs = task_pt_regs(current);
                }
 
@@ -910,7 +915,7 @@ static void add_samples_to_oprofile(unsigned int cpu, unsigned long *sdbt,
                oprofile_add_ext_hw_sample(sample_data_ptr->ia, regs, 0,
                                !sample_data_ptr->P, tsk);
                mutex_unlock(&hws_sem);
-
+       skip_sample:
                sample_data_ptr++;
        }
 }