Re: [PATCHv10 03/18] cpu/hotplug: Add support for declaring CPU offlining not supported

[Borislav Petkov]

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.

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