Messages in this thread | | | Date | Fri, 08 Sep 2006 15:48:40 -0700 | From | Kevin Hilman <> | Subject | Re: [PATCH -rt] use SA_NODELAY for XScale PMU interrupts |
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Arjan van de Ven wrote: > On Fri, 2006-09-08 at 12:22 -0700, Kevin Hilman wrote: >> In the XScale oprofile support, the performance monitoring unit (PMU) >> triggers interrupts and the ISR reads out the performance data. These >> ISRs are currently set to SA_INTERRUPT. In order to get accurate >> performance and profiling data under PREEMPT_RT, these should use >> SA_NODELAY. The functions called by this ISR are limited to >> drivers/oprofile functions. >> >> Patch against 2.6.18-rt8 > > hmm I thought the SA_ flags were deprecated ??? >
Sorry, although I said 2.6.18-rt8, the patch is against 2.6.17-rt8, where the SA_ flags are still used.
Kevin
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