On 01/04/16 11:15, Peter Zijlstra wrote: > On Fri, Apr 01, 2016 at 11:03:21AM +0200, Juergen Gross wrote: >>> Maybe just make the vpin thing an option like: >>> >>> smp_call_on_cpu(int (*func)(void *), int phys_cpu); > >>> Also; is something like the vpin thing possible on KVM? because if we're >>> going to expose it to generic code like this we had maybe look at wider >>> support. >> >> It is necessary for dom0 under Xen. I don't think there is a need to do >> this on KVM as a guest has no direct access to e.g. BIOS functions of >> the real hardware and the host system needs no vcpu pinning. I'm not >> sure about VMWare. > > OK, then can we WARN if .phys=1 and the platform doesn't support it? > Yes, good idea. Juergen _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization