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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> |
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