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Groups > linux.kernel > #1285929
| From | Benjamin Herrenschmidt <benh@kernel.crashing.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] powerpc: tracing: don't trace hcalls on offline CPUs |
| Date | 2015-12-07 22:10 +0100 |
| Message-ID | <qDbcJ-1od-11@gated-at.bofh.it> (permalink) |
| References | <qyqvL-3iT-5@gated-at.bofh.it> <qyqvM-3iT-23@gated-at.bofh.it> <qDb34-14n-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH 2/2] powerpc: tracing: don't trace hcalls on offline CPUs Steven Rostedt <rostedt@goodmis.org> - 2015-12-07 22:00 +0100
Re: [PATCH 2/2] powerpc: tracing: don't trace hcalls on offline CPUs Benjamin Herrenschmidt <benh@kernel.crashing.org> - 2015-12-07 22:10 +0100
Re: [PATCH 2/2] powerpc: tracing: don't trace hcalls on offline CPUs Steven Rostedt <rostedt@goodmis.org> - 2015-12-07 22:40 +0100
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