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| author | Stuart Bennett <stuart@freedesktop.org> | 2009-04-28 20:17:51 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-29 11:33:34 +0200 |
| commit | 0f9a623dd6c9b5b4dd00c232f29525bfc7a8ecf2 (patch) | |
| tree | d442cd6e03cb458b231374697ed7bb04caafabc2 /arch/x86/mm/mmio-mod.c | |
| parent | 46e91d00b1165b14b484aa33800e1bba0794ae1a (diff) | |
| download | lwn-0f9a623dd6c9b5b4dd00c232f29525bfc7a8ecf2.tar.gz lwn-0f9a623dd6c9b5b4dd00c232f29525bfc7a8ecf2.zip | |
tracing: x86, mmiotrace: only register for die notifier when tracer active
Follow up to afcfe024aebd74b0984a41af9a34e009cf5badaf in Linus' tree
("x86: mmiotrace: quieten spurious warning message")
Signed-off-by: Stuart Bennett <stuart@freedesktop.org>
Acked-by: Pekka Paalanen <pq@iki.fi>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <1240946271-7083-5-git-send-email-stuart@freedesktop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/mmio-mod.c')
| -rw-r--r-- | arch/x86/mm/mmio-mod.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c index c9342ed8b402..132772a8ec57 100644 --- a/arch/x86/mm/mmio-mod.c +++ b/arch/x86/mm/mmio-mod.c @@ -451,6 +451,7 @@ void enable_mmiotrace(void) if (nommiotrace) pr_info(NAME "MMIO tracing disabled.\n"); + kmmio_init(); enter_uniprocessor(); spin_lock_irq(&trace_lock); atomic_inc(&mmiotrace_enabled); @@ -473,6 +474,7 @@ void disable_mmiotrace(void) clear_trace_list(); /* guarantees: no more kmmio callbacks */ leave_uniprocessor(); + kmmio_cleanup(); pr_info(NAME "disabled.\n"); out: mutex_unlock(&mmiotrace_mutex); |