| Date | Thu, 18 Apr 2024 16:37:09 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCHv10 03/18] cpu/hotplug: Add support for declaring CPU offlining not supported |
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On Tue, Apr 09, 2024 at 02:29:55PM +0300, Kirill A. Shutemov wrote: > +/* Declare CPU offlining not supported */ > +void cpu_hotplug_disable_offlining(void) > +{ > + cpu_maps_update_begin();
"/* * The following two APIs (cpu_maps_update_begin/done) must be used when * attempting to serialize the updates to cpu_online_mask & cpu_present_mask. */ void cpu_maps_update_begin(void) .."
> + cpu_hotplug_offline_disabled = true;
but this doesn't do that here.
Are we doing a one-off here for that variable or what?
> + cpu_maps_update_done();
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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