uprobe_trace_func() is never called with irqs or preemption
disabled, no need to ask preempt_count() or local_save_flags().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Tested-by: Anton Arapov <anton@redhat.com>
struct ring_buffer_event *event;
struct ring_buffer *buffer;
u8 *data;
struct ring_buffer_event *event;
struct ring_buffer *buffer;
u8 *data;
- int size, i, pc;
- unsigned long irq_flags;
struct ftrace_event_call *call = &tu->call;
struct ftrace_event_call *call = &tu->call;
- local_save_flags(irq_flags);
- pc = preempt_count();
-
size = sizeof(*entry) + tu->size;
event = trace_current_buffer_lock_reserve(&buffer, call->event.type,
size = sizeof(*entry) + tu->size;
event = trace_current_buffer_lock_reserve(&buffer, call->event.type,
call_fetch(&tu->args[i].fetch, regs, data + tu->args[i].offset);
if (!filter_current_check_discard(buffer, call, entry, event))
call_fetch(&tu->args[i].fetch, regs, data + tu->args[i].offset);
if (!filter_current_check_discard(buffer, call, entry, event))
- trace_buffer_unlock_commit(buffer, event, irq_flags, pc);
+ trace_buffer_unlock_commit(buffer, event, 0, 0);