On Sat, 3 Nov 2012, Shan Wei wrote: > diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c > index 31e4f55..81ae35b 100644 > --- a/kernel/trace/trace.c > +++ b/kernel/trace/trace.c > @@ -1513,7 +1513,7 @@ static char *get_trace_buf(void) > if (!percpu_buffer) > return NULL; > > - buffer = per_cpu_ptr(percpu_buffer, smp_processor_id()); > + buffer = this_cpu_ptr(percpu_buffer); > > return buffer->buffer;
return this_cpu_read(percpu_buffer->buffer) and drop the this_cpu_ptr operation please. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/