tree 017e672e83a1257b084036c2e79adef95a81b9c3
parent 46fec7ac40e452a2ea5e63648d98b6bb2b5898f9
author Heiko Carstens <heiko.carstens@de.ibm.com> 1225188898 +0100
committer Ingo Molnar <mingo@elte.hu> 1225189147 +0100

lockdep: fix irqs on/off ip tracing

Impact: fix lockdep lock-api-caller output when irqsoff tracing is enabled

81d68a96 "ftrace: trace irq disabled critical timings" added wrappers around
trace_hardirqs_on/off_caller. However these functions use
__builtin_return_address(0) to figure out which function actually disabled
or enabled irqs. The result is that we save the ips of trace_hardirqs_on/off
instead of the real caller. Not very helpful.

However since the patch from Steven the ip already gets passed. So use that
and get rid of __builtin_return_address(0) in these two functions.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>