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    SubjectRe: [PATCH -rt] use SA_NODELAY for XScale PMU interrupts
    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.


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      Last update: 2006-09-09 00:51    [W:0.030 / U:7.532 seconds]
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