diff options
| author | Ingo Molnar <[email protected]> | 2009-03-09 10:11:36 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2009-03-09 10:11:36 +0100 |
| commit | 7bffc23e56e92c14b787bf4d95249a32085bfed5 (patch) | |
| tree | 9c1bbea2f258c82b5a9ff5e30db3a8f0c9cc3faa /net/lapb/lapb_iface.c | |
| parent | 8a20d84d09ab5d121f989cd99e4fc5f4b49f98ba (diff) | |
tracing: optimize trace_printk()
Impact: micro-optimization
trace_printk() does this unconditionally:
trace_printk_fmt = fmt;
Where trace_printk_fmt is an entry into a global array. This is
very SMP-unfriendly.
So only write it once per bootup.
Cc: Frederic Weisbecker <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Peter Zijlstra <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'net/lapb/lapb_iface.c')
0 files changed, 0 insertions, 0 deletions