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From:   Qais Yousef <qais.yousef@arm.com>
To:     Ingo Molnar <mingo@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Pavan Kondeti <pkondeti@codeaurora.org>
Cc:     Juri Lelli <juri.lelli@redhat.com>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
        linux-kernel@vger.kernel.org, Qais Yousef <qais.yousef@arm.com>
Subject: [PATCH v3 0/6] RT Capacity Awareness Fixes & Improvements
Date:   Mon,  2 Mar 2020 13:27:15 +0000
Message-Id: <20200302132721.8353-1-qais.yousef@arm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Changes since v2:
	* Fix missing check target != -1 (patch 2)
	* Drop the logic to check for fit cpu in wakeup and switched_to_rt()
	  (patch 5)
	* Added the patch that fixes pushing unfit cpu in select_task_rq_rt
	  That was patch 3 in v1[1] (patch 6)

Link to v2:
	https://lore.kernel.org/lkml/20200223184001.14248-1-qais.yousef@arm.com/#t


Pavan, Steve and Dietmar pointed out a few issues and improvements that could
be done to the logic of RT Capacity Awareness, that this series fixes.

Please consider applying as fixes for 5.6.

Except for patch 6 which I'm not sure if the discussion around it has settled,
patches 1-5 should be good to go.

Thanks!

--
Qais Yousef

[1] https://lore.kernel.org/lkml/20200214163949.27850-4-qais.yousef@arm.com/


Qais Yousef (6):
  sched/rt: cpupri_find: Implement fallback mechanism for !fit case
  sched/rt: Re-instate old behavior in select_task_rq_rt
  sched/rt: Optimize cpupri_find on non-heterogenous systems
  sched/rt: Allow pulling unfitting task
  sched/rt: Remove unnecessary push for unfit tasks
  sched/rt: Fix pushing unfit tasks to a better CPU

 kernel/sched/cpupri.c | 167 +++++++++++++++++++++++++++---------------
 kernel/sched/cpupri.h |   6 +-
 kernel/sched/rt.c     |  71 +++++++++++++-----
 3 files changed, 166 insertions(+), 78 deletions(-)

-- 
2.17.1