On Tue, 2022-08-02 at 16:56 +0200, Jan Beulich wrote: > On 02.08.2022 15:51, Dario Faggioli wrote: > > If dom0_vcpus_pin is used, make sure the pinning is only done for > > dom0 vcpus, instead of for the hardware domain (which might not be > > dom0 at all!). > > Hmm, but the control domain may not be either, as it's derived from > d->is_privileged. I think ... > Mmm... Right.
> > --- a/xen/common/sched/core.c > > +++ b/xen/common/sched/core.c > > @@ -575,7 +575,7 @@ int sched_init_vcpu(struct vcpu *v) > > * Initialize affinity settings. The idler, and potentially > > * domain-0 VCPUs, are pinned onto their respective physical > > CPUs. > > */ > > - if ( is_idle_domain(d) || (is_hardware_domain(d) && > > opt_dom0_vcpus_pin) ) > > + if ( is_idle_domain(d) || (is_control_domain(d) && > > opt_dom0_vcpus_pin) ) > > ... for it to be strictly only Dom0, you want to check d->domain_id > here. > Ok, I'll send an update that does that. Thanks and Regards -- Dario Faggioli, Ph.D http://about.me/dario.faggioli Virtualization Software Engineer SUSE Labs, SUSE https://www.suse.com/ ------------------------------------------------------------------- <<This happens because _I_ choose it to happen!>> (Raistlin Majere)
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