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| author |   Frode Isaksen <fisaksen@baylibre.com> | 2017-12-19 11:15:35 +0000 |
|---|---|---|
| committer |   Jan-Simon Moeller <jsmoeller@linuxfoundation.org> | 2018-02-07 11:47:29 +0000 |
| commit | c4a6287185179732dfc1e903c195ff90c19f1065 (patch) | |
| tree | d35f5010dbd952e40f5c178322026445b55757c1 /meta-eas/recipes-kernel/linux/linux-renesas/0012-sched-fair-Fix-task-group-initialization.patch | |
| parent | 109dea1d5c5a38807b098b588584636ae636a302 (diff) | |
This layer provides Energy Aware Scheduling (EAS) patcheseel_5.1.0eel_5.0.3eel_5.0.2eel/5.1.0eel/5.0.3eel/5.0.25.1.05.0.35.0.2eel
For the moment only for Renesas R-Car Gen3 SoC's.
Can be expanded for other SoC's by setting the machine
feature biglittle and provide the relevant EAS patches.
Bug-AGL: SPEC-813
Change-Id: I2b5e69c515c33e57be19b30466fe208d7b8ac1a5
Signed-off-by: Frode Isaksen <fisaksen@baylibre.com>
Diffstat (limited to 'meta-eas/recipes-kernel/linux/linux-renesas/0012-sched-fair-Fix-task-group-initialization.patch')
| -rw-r--r-- | meta-eas/recipes-kernel/linux/linux-renesas/0012-sched-fair-Fix-task-group-initialization.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-eas/recipes-kernel/linux/linux-renesas/0012-sched-fair-Fix-task-group-initialization.patch b/meta-eas/recipes-kernel/linux/linux-renesas/0012-sched-fair-Fix-task-group-initialization.patch new file mode 100644 index 0000000..e8703ba --- /dev/null +++ b/meta-eas/recipes-kernel/linux/linux-renesas/0012-sched-fair-Fix-task-group-initialization.patch @@ -0,0 +1,43 @@ +From c71758c426fd1c0e04b6f870b57c0434cb73246a Mon Sep 17 00:00:00 2001 +From: Vincent Guittot <vincent.guittot@linaro.org> +Date: Tue, 8 Nov 2016 10:53:47 +0100 +Subject: [PATCH 12/92] sched/fair: Fix task group initialization + +The moves of tasks are now propagated down to root and the utilization +of cfs_rq reflects reality so it doesn't need to be estimated at init. + +Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org> +Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> +Acked-by: Dietmar Eggemann <dietmar.eggemann@arm.com> +Cc: Linus Torvalds <torvalds@linux-foundation.org> +Cc: Morten.Rasmussen@arm.com +Cc: Peter Zijlstra <peterz@infradead.org> +Cc: Thomas Gleixner <tglx@linutronix.de> +Cc: bsegall@google.com +Cc: kernellwp@gmail.com +Cc: pjt@google.com +Cc: yuyang.du@intel.com +Link: http://lkml.kernel.org/r/1478598827-32372-7-git-send-email-vincent.guittot@linaro.org +Signed-off-by: Ingo Molnar <mingo@kernel.org> +(cherry picked from commit d03266910a533d874c01ef2ca8dc73009f2925fa) +Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com> +--- + kernel/sched/fair.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c +index 090a9bb..02605f2 100644 +--- a/kernel/sched/fair.c ++++ b/kernel/sched/fair.c +@@ -9198,7 +9198,7 @@ void online_fair_sched_group(struct task_group *tg) + se = tg->se[i]; + + raw_spin_lock_irq(&rq->lock); +- post_init_entity_util_avg(se); ++ attach_entity_cfs_rq(se); + sync_throttle(tg, i); + raw_spin_unlock_irq(&rq->lock); + } +-- +1.9.1 + |