diff options
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/perf_event_mipsxx.c | 4 | ||||
| -rw-r--r-- | arch/mips/kernel/process.c | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index e3b897acfbc..811084f4e42 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -606,6 +606,10 @@ static int mipspmu_event_init(struct perf_event *event) { int err = 0; + /* does not support taken branch sampling */ + if (has_branch_stack(event)) + return -EOPNOTSUPP; + switch (event->attr.type) { case PERF_TYPE_RAW: case PERF_TYPE_HARDWARE: diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 7955409051c..61f1cb45a1d 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -80,9 +80,7 @@ void __noreturn cpu_idle(void) #endif rcu_idle_exit(); tick_nohz_idle_exit(); - preempt_enable_no_resched(); - schedule(); - preempt_disable(); + schedule_preempt_disabled(); } } |