On Wed, Sep 21, 2016 at 10:50:49AM -0400, Luiz Capitulino wrote: > On Wed, 21 Sep 2016 15:29:26 +1000 > David Gibson <da...@gibson.dropbear.id.au> wrote: > > > Now that we allow CPU hot unplug on a few platforms, we can end up in a > > situation where we don't have a CPU with index 0. Or at least we could, > > if we didn't have code to explicitly prohibit unplug of CPU 0. > > > > Longer term we want to allow CPU 0 unplug, this patch is an early step in > > allowing this, by removing an assumption in the monitor code that CPU 0 > > always exists. > > > > Signed-off-by: Cédric Le Goater <c...@kaod.org> > > [dwg: Rewrote commit message to better explain background] > > Signed-off-by: David Gibson <da...@gibson.dropbear.id.au> > > --- > > monitor.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > Anyone want to volunteer to take this through their tree? If not, I > > can take it through my ppc tree. > > Please do.
Ok, merged to ppc-for-2.8.
>
> Reviewed-by: Luiz Capitulino <lcapitul...@redhat.com>
>
> >
> > diff --git a/monitor.c b/monitor.c
> > index 8bb8bbf..83c4edf 100644
> > --- a/monitor.c
> > +++ b/monitor.c
> > @@ -1025,7 +1025,7 @@ int monitor_set_cpu(int cpu_index)
> > CPUState *mon_get_cpu(void)
> > {
> > if (!cur_mon->mon_cpu) {
> > - monitor_set_cpu(0);
> > + monitor_set_cpu(first_cpu->cpu_index);
> > }
> > cpu_synchronize_state(cur_mon->mon_cpu);
> > return cur_mon->mon_cpu;
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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