tracing: Add build bug if we have more trace_flags than bits
authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>
Tue, 29 Sep 2015 22:13:33 +0000 (18:13 -0400)
committerSteven Rostedt <rostedt@goodmis.org>
Wed, 30 Sep 2015 08:35:18 +0000 (04:35 -0400)
commitb5e87c0581319481399b6d8e8d6972b5523c18e6
tree4439fbdae48bb3dbd6b8023c25be9c618da1c11e
parent41d9c0beccbb92397bea8b04a6afd1253c064a1a
tracing: Add build bug if we have more trace_flags than bits

Add a enum that denotes the last bit of the trace_flags and have a
BUILD_BUG_ON(last_bit > 32).

If we add more bits than we have in trace_flags, the kernel wont build.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/trace.c
kernel/trace/trace.h