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| author | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | 2011-03-16 19:05:51 -0400 |
|---|---|---|
| committer | Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> | 2011-03-16 19:05:51 -0400 |
| commit | 38305b6286a58e968c30851d6b11219e93e857d3 (patch) | |
| tree | 29d36612c1fdbf02c8f06247c7e1f341b766c4e2 /kernel | |
| parent | a059f8038d5cb3fd9758e20d69ef56903d25f253 (diff) | |
trace-clock-32-to-64-fix-del-timer-bug
trace clock 32 to 64 fix del timer bug
{{{
BUG: using smp_processor_id() in preemptible [00000000] code: lttctl/748
caller is put_synthetic_tsc+0x7c/0xf8
Backtrace:
[<c002d46c>] (dump_backtrace+0x0/0x10c) from [<c03a83a8>] (dump_stack+0x18/0x1c)
r7:c04c69d4 r6:c008e7a4 r5:00000000 r4:ce0c0000
[<c03a8390>] (dump_stack+0x0/0x1c) from [<c0242d74>]
(debug_smp_processor_id+0xc0/0xec)
[<c0242cb4>] (debug_smp_processor_id+0x0/0xec) from [<c008e7a4>]
(put_synthetic_tsc+0x7c/0xf8)
r6:c04fa24c r5:c0023600 r4:00000000
[<c008e728>] (put_synthetic_tsc+0x0/0xf8) from [<c008eb68>]
(put_trace_clock+0x68/0x7c)
r8:befa4edb r7:0000000b r6:ce0c1d2a r5:cdfbe200 r4:00000000
[<c008eb00>] (put_trace_clock+0x0/0x7c) from [<c022ae90>]
(ltt_trace_destroy+0x40/0x94)
[<c022ae50>] (ltt_trace_destroy+0x0/0x94) from [<c023392c>]
(destroy_trace_write+0xbc/0x140)
r5:00000000 r4:0000000b
[<c0233870>] (destroy_trace_write+0x0/0x140) from [<c00be780>]
(vfs_write+0xb4/0x144)
r7:0000000b r6:ce0c1f70 r5:befa4edb r4:cde545a0
[<c00be6cc>] (vfs_write+0x0/0x144) from [<c00be964>] (sys_write+0x48/0xf4)
r7:0000000b r6:cde545a0 r5:00000000 r4:00000000
[<c00be91c>] (sys_write+0x0/0xf4) from [<c0028e5c>]
(__sys_trace_return+0x0/0x24)
BUG: using smp_processor_id() in preemptible [00000000] code: lttctl/748
caller is put_synthetic_tsc+0x7c/0xf8
}}}
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace-clock-32-to-64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace-clock-32-to-64.c b/kernel/trace/trace-clock-32-to-64.c index bce7c8e0ae0..843749a72ac 100644 --- a/kernel/trace/trace-clock-32-to-64.c +++ b/kernel/trace/trace-clock-32-to-64.c @@ -199,7 +199,7 @@ static void enable_synthetic_tsc(int cpu) static void disable_synthetic_tsc(int cpu) { - del_timer_sync(&per_cpu(tsc_timer, smp_processor_id())); + del_timer_sync(&per_cpu(tsc_timer, cpu)); } /* |