On Tue, 26 Mar 2013, Arnd Bergmann wrote: > On Tuesday 26 March 2013, Stefano Stabellini wrote: > > Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com> > > CC: rob.herr...@calxeda.com > > CC: will.dea...@arm.com > > CC: marc.zyng...@arm.com > > CC: a...@arndb.de > > I wonder how this is supposed to work on real systems. Shouldn't the dt > blob be filled out with the correct number of CPUs at the time you start > the guest? > This change looks like you just make all guests use a hardcoded > set of two CPUs instead of just one, but you probably want to allow any > number between 1 and the number of physically present cores.
That's right, the DT passed on to the guests is generated by the hypervisor. This is just an example, adding a cpu and a psci node is just meant to make it clear that Xen supports multi-vcpu guests using PSCI to bootstrap secondary cpus. -- 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/