From: Li Zefan <lizefan@huawei.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>, Tejun Heo <tj@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Cgroups <cgroups@vger.kernel.org>
Subject: Re: [PATCH v2 0/5] cpuacct, cgroup: Kill cgroup_subsys.active
Date: Tue, 9 Apr 2013 09:29:49 +0800 [thread overview]
Message-ID: <51636F0D.5060000@huawei.com> (raw)
In-Reply-To: <1364553360.5053.84.camel@laptop>
Hi Ingo,
Any chance for this patchset and the other one to be queued for 3.10?
Both of them has been acked by Peter.
On 2013/3/29 18:36, Peter Zijlstra wrote:
> On Fri, 2013-03-29 at 14:43 +0800, Li Zefan wrote:
>> cpuacct is the only user of cgroup_subsys.active flag.
>>
>> The flag is needed because cpuacct_charge() and
>> cpuacct_account_field() can
>> be called when cpuacct hasn't been initialized during system bootup.
>>
>> This patch initializes cpuacct earlier, and the result is we don't
>> have
>> to check the flag in scheduler hot path.
>>
>> Note, this patchset is based on "[PATCH v2 0/7] sched: Split cpuacct"
>>
>> http://lkml.org/lkml/2013/3/28/1
>>
>> 0001-cpuacct-allocate-per_cpu-cpuusage-for-root-cpuacct-s.patch
>> 0002-cpuacct-Initialize-root-cpuacct-earlier.patch
>> 0003-cpuacct-Initialize-cpuacct-subsystem-earlier.patch
>> 0004-cpuacct-No-need-to-check-subsys-active-state.patch
>> 0005-cgroup-Remove-subsys.active-flag.patch
>
>
> Seems sane enough
>
> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
>
prev parent reply other threads:[~2013-04-09 1:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-29 6:43 [PATCH v2 0/5] cpuacct, cgroup: Kill cgroup_subsys.active Li Zefan
2013-03-29 6:43 ` [PATCH v2 1/5] cpuacct: allocate per_cpu cpuusage for root cpuacct statically Li Zefan
2013-04-10 13:44 ` [tip:sched/core] sched/cpuacct: Allocate " tip-bot for Li Zefan
2013-03-29 6:44 ` [PATCH v2 2/5] cpuacct: Initialize root cpuacct earlier Li Zefan
2013-04-10 13:46 ` [tip:sched/core] sched/cpuacct: " tip-bot for Li Zefan
2013-03-29 6:44 ` [PATCH v2 3/5] cpuacct: Initialize cpuacct subsystem earlier Li Zefan
2013-04-10 13:47 ` [tip:sched/core] sched/cpuacct: " tip-bot for Li Zefan
2013-03-29 6:44 ` [PATCH v2 4/5] cpuacct: No need to check subsys active state Li Zefan
2013-04-10 13:48 ` [tip:sched/core] sched/cpuacct: " tip-bot for Li Zefan
2013-03-29 6:44 ` [PATCH v2 5/5] cgroup: Kill subsys.active flag Li Zefan
2013-04-10 13:49 ` [tip:sched/core] " tip-bot for Li Zefan
2013-03-29 10:36 ` [PATCH v2 0/5] cpuacct, cgroup: Kill cgroup_subsys.active Peter Zijlstra
2013-04-09 1:29 ` Li Zefan [this message]
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