| commit | 5bb9efe33ea4001a17ab98186a40a134a3061d67 | [log] [tgz] |
|---|---|---|
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | Wed May 13 08:12:51 2009 +0200 |
| committer | Ingo Molnar <mingo@elte.hu> | Wed May 13 08:17:37 2009 +0200 |
| tree | ecb30329fd190d6db4b8e9c08d42a8d2e6c1e54d | |
| parent | e758a33d6fc5b9d6a3ae489863d04fcecad8120b [diff] |
perf_counter: fix print debug irq disable
inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
bash/15802 [HC0[0]:SC0[0]:HE1:SE1] takes:
(sysrq_key_table_lock){?.....},
Don't unconditionally enable interrupts in the perf_counter_print_debug()
path.
[ Impact: fix potential deadlock pointed out by lockdep ]
LKML-Reference: <new-submission>
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>