On Tue, 2013-05-21 at 16:45 +0200, Alexander Gordeev wrote: > On Tue, Jan 15, 2013 at 03:38:53PM +0800, Mike Qiu wrote: > > The test results is shown by 'cat /proc/interrups': > > CPU0 CPU1 CPU2 CPU3 > > 16: 240458 261601 226310 200425 XICS Level IPI > > 17: 0 0 0 0 XICS Level RAS_EPOW > > 18: 10 0 3 2 XICS Level > > hvc_console > > 19: 122182 28481 28527 28864 XICS Level ibmvscsi > > 20: 506 7388226 108 118 XICS Level eth0 > > 21: 6 5 5 5 XICS Level host1-0 > > 22: 817 814 816 813 XICS Level host1-1 > > Hi Mike, > > I am curious if pSeries firmware allows changing affinity masks independently > for multiple MSIs? I.e. in your example, would it be possible to assign IRQ21 > and IRQ22 to different CPUs?
Yes. Each interrupt has its own affinity, whether it's an MSI or not, the affinity is not driven by the address. Cheers, Ben. > Thanks! > > > LOC: 398077 316725 231882 203049 Local timer interrupts > > SPU: 1659 919 961 903 Spurious interrupts > > CNT: 0 0 0 0 Performance > > monitoring interrupts > > MCE: 0 0 0 0 Machine check exceptions > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
