On Tue, 2 Oct 2007, Andi Kleen wrote: > > > OTOH, the accounting hook would allow us to remove the IRQ#0 -> CPU#0 > > restriction. Not sure whether it's worth the trouble. > > Some SIS chipsets hang the machine when you migrate irq 0 to another > CPU. It's better to keep that Also I wouldn't be surprised if there are some > other assumptions about this elsewhere. > > Ok in theory it could be done only on SIS, but that probably would really > not be worth the trouble Agreed. I just got a x8664-hrt report, where I found the following oddity: 0: 1197 172881 IO-APIC-edge timer That's one of those infamous AMD C1E boxen. Strange, all my systems have IRQ#0 on CPU#0 and nowhere else. Any idea ? tglx - 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
