[PATCH 0/2] powerpc/kvm: Enable running guests on RT Linux
Sebastian Andrzej Siewior
bigeasy at linutronix.de
Thu Feb 26 03:36:49 AEDT 2015
* Scott Wood | 2015-02-23 17:27:31 [-0600]:
>This isn't a host PIC driver. It's guest PIC emulation, some of which
>is indeed not suitable for a rawlock (in particular, openpic_update_irq
>which loops on the number of vcpus, with a loop body that calls
>IRQ_check() which loops over all pending IRQs). The vcpu limits are a
>temporary bandaid to avoid the worst latencies, but I'm still skeptical
>about this being upstream material.
Okay.
>-Scott
Sebastian
More information about the Linuxppc-dev
mailing list