From: Stephen Boyd <sboyd@codeaurora.org>
To: Jassi Brar <jassisinghbrar@gmail.com>
Cc: pjt@google.com, linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@elte.hu>,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
Srivatsa Vaddagiri <vatsa@in.ibm.com>,
Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>,
Venki Pallipadi <venki@google.com>
Subject: Re: [patch 00/16] sched: per-entity load-tracking
Date: Wed, 19 Dec 2012 23:39:34 -0800 [thread overview]
Message-ID: <50D2C0B6.9090702@codeaurora.org> (raw)
In-Reply-To: <CABb+yY2Cr=mvVW=m12uOaLTydE8j3iB2m0wrVt0gOrO3tz+mZA@mail.gmail.com>
On 11/26/2012 5:08 AM, Jassi Brar wrote:
> The patchset introduces 64-bit atomic ops, which would need
> init_atomic64_lock() already called, but that is an initcall made too
> late. Should we consider calling init_atomic64_lock() sooner in
> start_kernel()?
>
> As an example of breakage, I see the following dump with
> CONFIG_DEBUG_SPINLOCK on an OMAP based Pandaboard.
I saw this post while searching lkml for similar problems. Perhaps you
can try applying my patch to see if this BUG message goes away. Thanks.
https://lkml.org/lkml/2012/12/19/302
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2012-12-20 7:39 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-23 14:14 [patch 00/16] sched: per-entity load-tracking pjt
2012-08-23 14:14 ` [patch 01/16] sched: track the runnable average on a per-task entitiy basis pjt
2012-08-24 8:20 ` Namhyung Kim
2012-08-28 22:12 ` Paul Turner
2012-10-24 9:43 ` [tip:sched/core] sched: Track the runnable average on a per-task entity basis tip-bot for Paul Turner
2012-10-25 3:28 ` li guang
2012-10-25 16:58 ` Benjamin Segall
2012-08-23 14:14 ` [patch 02/16] sched: maintain per-rq runnable averages pjt
2012-10-24 9:44 ` [tip:sched/core] sched: Maintain " tip-bot for Ben Segall
2012-10-28 10:12 ` [patch 02/16] sched: maintain " Preeti Murthy
2012-10-29 17:38 ` Benjamin Segall
2012-11-07 8:28 ` Preeti U Murthy
2012-08-23 14:14 ` [patch 03/16] sched: aggregate load contributed by task entities on parenting cfs_rq pjt
2012-10-24 9:45 ` [tip:sched/core] sched: Aggregate " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 04/16] sched: maintain the load contribution of blocked entities pjt
2012-10-24 9:46 ` [tip:sched/core] sched: Maintain " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 05/16] sched: add an rq migration call-back to sched_class pjt
2012-10-24 9:47 ` [tip:sched/core] sched: Add " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 06/16] sched: account for blocked load waking back up pjt
[not found] ` <CAM4v1pO8SPCmqJTTBHpqwrwuO7noPdskg0RSooxyPsWoE395_A@mail.gmail.com>
2012-09-04 17:29 ` Benjamin Segall
2012-10-24 9:48 ` [tip:sched/core] sched: Account " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 07/16] sched: aggregate total task_group load pjt
2012-10-24 9:49 ` [tip:sched/core] sched: Aggregate " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 08/16] sched: compute load contribution by a group entity pjt
2012-10-24 9:50 ` [tip:sched/core] sched: Compute " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 09/16] sched: normalize tg load contributions against runnable time pjt
2012-10-24 9:51 ` [tip:sched/core] sched: Normalize " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 10/16] sched: maintain runnable averages across throttled periods pjt
2012-10-24 9:52 ` [tip:sched/core] sched: Maintain " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 11/16] sched: replace update_shares weight distribution with per-entity computation pjt
2012-09-24 19:44 ` "Jan H. Schönherr"
2012-09-24 20:39 ` Benjamin Segall
2012-10-02 21:14 ` Paul Turner
2012-10-24 9:53 ` [tip:sched/core] sched: Replace " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 12/16] sched: refactor update_shares_cpu() -> update_blocked_avgs() pjt
2012-10-24 9:54 ` [tip:sched/core] sched: Refactor " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 13/16] sched: update_cfs_shares at period edge pjt
2012-09-24 19:51 ` "Jan H. Schönherr"
2012-10-02 21:09 ` Paul Turner
2012-10-24 9:55 ` [tip:sched/core] sched: Update_cfs_shares " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 14/16] sched: make __update_entity_runnable_avg() fast pjt
2012-08-24 8:28 ` Namhyung Kim
2012-08-28 22:18 ` Paul Turner
2012-10-24 9:56 ` [tip:sched/core] sched: Make " tip-bot for Paul Turner
2012-08-23 14:14 ` [patch 15/16] sched: implement usage tracking pjt
2012-10-19 12:18 ` Vincent Guittot
2012-08-23 14:14 ` [patch 16/16] sched: introduce temporary FAIR_GROUP_SCHED dependency for load-tracking pjt
2012-10-24 9:57 ` [tip:sched/core] sched: Introduce " tip-bot for Paul Turner
2012-09-24 9:30 ` [patch 00/16] sched: per-entity load-tracking "Jan H. Schönherr"
2012-09-24 17:16 ` Benjamin Segall
2012-10-05 9:07 ` Paul Turner
2012-11-26 13:08 ` Jassi Brar
2012-12-20 7:39 ` Stephen Boyd [this message]
2012-12-20 8:08 ` Jassi Brar
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