On Fri, Oct 27, 2017 at 07:25:04PM +0200, Juergen Gross wrote:
> >> This is assuming CPU 0 is the boot cpu. I think you want
> >> boot_cpu_data.cpu_index here or whatever is used on xen to identify the
> >> BSP reliably.
> >
> > It seems both PV and PVHVM call xen_init_lock_cpu(0) so 0 here is
> > Linux's idea of CPU id, not Xen's.
> >
> > In case Xen's idea is needed xen_vcpu_id mapping should be used. But I
> > don't think it's the case here.
> >
>
> Correct.
If it is Linux's idea of the BSP, then you need to check against
boot_cpu_data.cpu_index.
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284
(AG Nürnberg)
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