struct bprint_entry *entry;
unsigned long flags;
int disable;
- int resched;
int cpu, len = 0, size, pc;
if (unlikely(tracing_selftest_running || tracing_disabled))
pause_graph_tracing();
pc = preempt_count();
- resched = ftrace_preempt_disable();
+ preempt_disable_notrace();
cpu = raw_smp_processor_id();
data = tr->data[cpu];
out:
atomic_dec_return(&data->disabled);
- ftrace_preempt_enable(resched);
+ preempt_enable_notrace();
unpause_graph_tracing();
return len;
size_t count, loff_t *ppos)
{
struct ftrace_buffer_info *info = filp->private_data;
- unsigned int pos;
ssize_t ret;
size_t size;
if (ret < 0)
return 0;
- pos = ring_buffer_page_len(info->spare);
-
- if (pos < PAGE_SIZE)
- memset(info->spare + pos, 0, PAGE_SIZE - pos);
-
read:
size = PAGE_SIZE - info->read;
if (size > count)