linux-kernel - Re: [PATCH 0/4] sched fixes and clean-ups

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Date:	Fri, 18 Sep 2015 10:02:59 +0100
From:	Juri Lelli <juri.lelli@....com>
To:	"peterz@...radead.org" <peterz@...radead.org>,
	"mingo@...hat.com" <mingo@...hat.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/4] sched fixes and clean-ups

Hi Peter,

On 02/09/15 11:01, Juri Lelli wrote:
> Hi all,
> 
> while trying to come up with 01/04, I collected the following set of fixes.
> 
> Patches 02-04/04 are simple refactoring of code and clean-ups.
> Patch 01/04 is instead my attempt to fix a problem highlighted some time
> back by Wanpeng Li regarding hotplug and the way SCHED_DEADLINE keeps
> track of admission control decisions (admitted bandwidth). This patch
> is invasive, but it seems to fix the problem (and I couldn't find
> cleaner fixes :-/). Please give special attention to it :-).
> 

What about the other three fixes?

Thanks!

- Juri

> Thanks!
> 
> Best,
> 
> - Juri
> 
> Juri Lelli (4):
>   sched/{cpuset,core}: restore complete root_domain status across
>     hotplug
>   sched/deadline: unify dl_time_before usage
>   locking/rtmutex: fix open coded check in rt_mutex_waiter_less()
>   sched/rt: make (do_)balance_runtime() return void
> 
>  include/linux/sched.h          |  2 ++
>  include/linux/sched/deadline.h |  5 +++++
>  kernel/cpuset.c                | 41 +++++++++++++++++++++++++++++++++++++++++
>  kernel/locking/rtmutex.c       |  3 ++-
>  kernel/sched/core.c            | 17 +++++++++++++++++
>  kernel/sched/cpudeadline.c     |  5 -----
>  kernel/sched/cpudeadline.h     |  1 +
>  kernel/sched/rt.c              | 22 ++++++----------------
>  kernel/sched/sched.h           |  5 -----
>  9 files changed, 74 insertions(+), 27 deletions(-)
> 

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