Re: [Xen-devel] [PATCH v2 2/6] xen: add helper for calling notifier_call_chain() to common/cpu.c

[Dario Faggioli <dfaggioli@xxxxxxxx>]

On Thu, 2019-03-28 at 13:06 +0100, Juergen Gross 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>
> ---
> V2:
> - add nofail parameter to cpu_notifier_call_chain()
> - avoid side effects from using BUG_ON() macro (Andrew Cooper)
> ---
>
Reviewed-by: Dario Faggioli <dfaggioli@xxxxxxxx>

Regards,
Dario
-- 
Dario Faggioli, Ph.D
http://about.me/dario.faggioli
Virtualization Software Engineer
SUSE Labs, SUSE https://www.suse.com/
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