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Message-ID: <1449522135.21036.11.camel@kernel.crashing.org>
Subject: Re: [PATCH 2/2] powerpc: tracing: don't trace hcalls on offline CPUs
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Steven Rostedt <rostedt@goodmis.org>, Denis Kirjanov
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Cc: Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@ozlabs.org,
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Date: Tue, 08 Dec 2015 08:02:15 +1100
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On Mon, 2015-12-07 at 15:52 -0500, Steven Rostedt wrote:
> > +     TP_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.