On Mon, Oct 01, 2007 at 12:56:26PM -0700, Arjan van de Ven wrote: > On Mon, 1 Oct 2007 21:27:39 +0200 (CEST) > > > > I already did this here by checking for cpu != 0. But it also needs > > > either tracking or forbidding migrations of irq 0. I can take care > > > of the patch. > > > > I was thinking about the same fix. On i386 we already have the irq > > migration / balancing of irq 0 disabled. That's why we setup IRQ0 with > > IRQ_NOBALANCING. > > btw doing this is a problem if the user decides to hot(un)plug cpu 0... > he then can't move the irqs away to do that You can't hot unplug cpu0. Take a look in sysfs, no /sys/devices/system/cpu/cpu0/online file. Dave -- http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
