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| author | Denis Kirjanov <kda@linux-powerpc.org> | 2015-12-14 23:18:06 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-02-15 21:10:03 +1100 |
| commit | 126df08c52375817c237f38c3bcd01d78a60c090 (patch) | |
| tree | d963e39a429eda7aa9de95e0084e6333432527a7 /scripts | |
| parent | f15838e9cac8f78f0cc506529bb9d3b9fa589c1f (diff) | |
| download | linux-126df08c52375817c237f38c3bcd01d78a60c090.tar.bz2 | |
powerpc/pseries: Don't trace hcalls on offline CPUs
If a cpu is hotplugged while the hcall trace points are active, it's
possible to hit a warning from RCU due to the trace points calling into
RCU from an offline cpu, eg:
RCU used illegally from offline CPU!
rcu_scheduler_active = 1, debug_locks = 1
Make the hypervisor tracepoints conditional by using
TRACE_EVENT_FN_COND.
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Denis Kirjanov <kda@linux-powerpc.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'scripts')
0 files changed, 0 insertions, 0 deletions