From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/8] sched: explicitly cpu_idle_type checking in rebalance_domains()
Date: Wed, 20 Mar 2013 15:48:03 +0900 [thread overview]
Message-ID: <20130320064803.GA11672@lge.com> (raw)
In-Reply-To: <1363701741.22553.46.camel@laptop>
Hello, Peter.
On Tue, Mar 19, 2013 at 03:02:21PM +0100, Peter Zijlstra wrote:
> On Thu, 2013-02-14 at 14:48 +0900, Joonsoo Kim wrote:
> > After commit 88b8dac0, dst-cpu can be changed in load_balance(),
> > then we can't know cpu_idle_type of dst-cpu when load_balance()
> > return positive. So, add explicit cpu_idle_type checking.
>
> No real objection I suppose, but did you actually see this go wrong?
No, I found it while I review whole scheduler code.
Thanks.
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
next prev parent reply other threads:[~2013-03-20 6:47 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-14 5:48 [PATCH 0/8] correct load_balance() Joonsoo Kim
2013-02-14 5:48 ` [PATCH 1/8] sched: change position of resched_cpu() in load_balance() Joonsoo Kim
2013-03-19 12:59 ` Peter Zijlstra
2013-02-14 5:48 ` [PATCH 2/8] sched: explicitly cpu_idle_type checking in rebalance_domains() Joonsoo Kim
2013-03-19 14:02 ` Peter Zijlstra
2013-03-20 6:48 ` Joonsoo Kim [this message]
2013-02-14 5:48 ` [PATCH 3/8] sched: don't consider other cpus in our group in case of NEWLY_IDLE Joonsoo Kim
2013-03-19 14:20 ` Peter Zijlstra
2013-03-20 6:52 ` Joonsoo Kim
2013-02-14 5:48 ` [PATCH 4/8] sched: clean up move_task() and move_one_task() Joonsoo Kim
2013-03-19 14:30 ` Peter Zijlstra
2013-03-20 7:33 ` Joonsoo Kim
2013-03-20 11:11 ` Peter Zijlstra
2013-03-20 13:42 ` JoonSoo Kim
2013-03-20 11:16 ` Peter Zijlstra
2013-03-20 12:07 ` Peter Zijlstra
2013-02-14 5:48 ` [PATCH 5/8] sched: move up affinity check to mitigate useless redoing overhead Joonsoo Kim
2013-02-14 5:48 ` [PATCH 6/8] sched: rename load_balance_tmpmask to load_balance_cpu_active Joonsoo Kim
2013-03-19 15:01 ` Peter Zijlstra
2013-03-20 7:35 ` Joonsoo Kim
2013-02-14 5:48 ` [PATCH 7/8] sched: prevent to re-select dst-cpu in load_balance() Joonsoo Kim
2013-03-19 15:05 ` Peter Zijlstra
2013-03-20 7:43 ` Joonsoo Kim
2013-03-20 12:38 ` Peter Zijlstra
2013-03-20 13:48 ` JoonSoo Kim
2013-02-14 5:48 ` [PATCH 8/8] sched: reset lb_env when redo " Joonsoo Kim
2013-03-19 15:21 ` Peter Zijlstra
2013-03-20 8:13 ` Joonsoo Kim
2013-02-25 4:56 ` [PATCH 0/8] correct load_balance() Joonsoo Kim
2013-03-19 5:11 ` Joonsoo Kim
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130320064803.GA11672@lge.com \
--to=iamjoonsoo.kim@lge.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=vatsa@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.