Re: [Xen-devel] [PATCH v3 2/6] xen: add helper for calling notifier_call_chain() to common/cpu.c

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 02.04.19 at 07:34, <jgross@xxxxxxxx> wrote:
> Add a helper cpu_notifier_call_chain() to call notifier_call_chain()
> for a cpu with a specified action, returning an errno value.
> 
> This avoids coding the same pattern multiple times.
> 
> While at it avoid side effects from using BUG_ON() by not using
> cpu_online(cpu) as a parameter.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> Reviewed-by: Dario Faggioli <dfaggioli@xxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>



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