Re: [PATCH 2/2] powerpc: tracing: don't trace hcalls on offline CPUs

From: Benjamin Herrenschmidt
Date: Mon Dec 07 2015 - 16:02:34 EST


On Mon, 2015-12-07 at 15:52 -0500, Steven Rostedt wrote:
> > +ÂÂÂÂÂTP_CONDITION(cpu_online(smp_processor_id())),
> > +

This should probably be some kind of __raw version though, hcalls can
be called in contexts where the debug stuff in smp_processor_id() isn't
safe (or preempt enabled).

Cheers,
Ben.

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