Merge branch 'tracing/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'tracing/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (228 commits)
  ftrace: build fix for ftraced_suspend
  ftrace: separate out the function enabled variable
  ftrace: add ftrace_kill_atomic
  ftrace: use current CPU for function startup
  ftrace: start wakeup tracing after setting function tracer
  ftrace: check proper config for preempt type
  ftrace: trace schedule
  ftrace: define function trace nop
  ftrace: move sched_switch enable after markers
  ftrace: prevent ftrace modifications while being kprobe'd, v2
  fix "ftrace: store mcount address in rec->ip"
  mmiotrace broken in linux-next (8-bit writes only)
  ftrace: avoid modifying kprobe'd records
  ftrace: freeze kprobe'd records
  kprobes: enable clean usage of get_kprobe
  ftrace: store mcount address in rec->ip
  ftrace: build fix with gcc 4.3
  namespacecheck: fixes
  ftrace: fix "notrace" filtering priority
  ftrace: fix printout
  ...

1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/printk.c b/kernel/printk.c
index 625d240d7ada..5d81a11321fd 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1046,7 +1046,9 @@ void release_console_sem(void)
                 _log_end = log_end;
                 con_start = log_end;            /* Flush */
                 spin_unlock(&logbuf_lock);
+                stop_critical_timings();        /* don't trace print latency */
                 call_console_drivers(_con_start, _log_end);
+                start_critical_timings();
                 local_irq_restore(flags);
         }
         console_locked = 0;