Re: [PATCH v6 2/5] build: Hook the schedulers into Kconfig

From: Dario Faggioli <dario.faggioli@citrix.com>
To: Jonathan Creekmore <jonathan.creekmore@gmail.com>,
	xen-devel@lists.xenproject.org
Cc: George Dunlap <george.dunlap@eu.citrix.com>
Subject: Re: [PATCH v6 2/5] build: Hook the schedulers into Kconfig
Date: Tue, 19 Jan 2016 11:55:17 +0100	[thread overview]
Message-ID: <1453200917.11427.124.camel@citrix.com> (raw)
In-Reply-To: <1452877299-59267-3-git-send-email-jonathan.creekmore@gmail.com>

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On Fri, 2016-01-15 at 11:01 -0600, Jonathan Creekmore wrote:
> Allow the schedulers to be independently enabled or disabled at
> compile-time. To match existing behavior, all four schedulers are
> compiled in by default, although the Credit2, RTDS, and ARINC653 are
> marked EXPERIMENTAL to match their not currently supported status.
> 
> CC: George Dunlap <george.dunlap@eu.citrix.com>
> CC: Dario Faggioli <dario.faggioli@citrix.com>
> Signed-off-by: Jonathan Creekmore <jonathan.creekmore@gmail.com>
> Reviewed-by: Doug Goldstein <cardoe@cardoe.com>
> 
> ---
> 
> diff --git a/xen/common/Kconfig b/xen/common/Kconfig
> index eadfc3b..7cc99c7 100644
> --- a/xen/common/Kconfig
> +++ b/xen/common/Kconfig
> 
> diff --git a/xen/common/Makefile b/xen/common/Makefile
> index 9f8b214..4df71ee 100644
> --- a/xen/common/Makefile
> +++ b/xen/common/Makefile

The above changes looks fine to me, but I really speak almost no
Kconfig. :-/

On the rest of the patch, I only have one comment.

> diff --git a/xen/common/schedule.c b/xen/common/schedule.c
> index d121896..2f98a48 100644
> --- a/xen/common/schedule.c
> +++ b/xen/common/schedule.c
> @@ -65,10 +65,18 @@ DEFINE_PER_CPU(struct schedule_data,
> schedule_data);
>  DEFINE_PER_CPU(struct scheduler *, scheduler);
>  
>  static const struct scheduler *schedulers[] = {
> +#ifdef CONFIG_SCHED_CREDIT
>      &sched_credit_def,
> +#endif
>
If I understood correctly, Credit is always going to be there, so I
guess these #ifdef could go away?

However, since this is just killed later, I don't think it should block
the patch (series). So:

Acked-by: Dario Faggioli <dario.faggioli@citrix.com>

Regards,
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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