Re: [Xen-devel] [PATCH RFC v1 1/3] xen:rtds: enable XL to set and get vcpu work conserving flag

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

On Tue, 2017-08-01 at 14:33 -0400, Meng Xu wrote:
> --- a/xen/include/public/domctl.h
> +++ b/xen/include/public/domctl.h
> @@ -360,6 +360,7 @@ typedef struct xen_domctl_sched_credit2 {
>  typedef struct xen_domctl_sched_rtds {
>      uint32_t period;
>      uint32_t budget;
> +    bool     is_work_conserving;
>
I wonder whether it wouldn't be better (e.g., more future proof) to
have a 'uint32_T flags' field here too.

That way, if/when, in future, we want to introduce some other way of
tweaking the scheduler's behavior for this vCPU, we already have space
for specifying it...

Dario
-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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