Re: [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was Re: [BUG] an RCU warning in memcg

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From: Li Zefan

Subject: Re: [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was Re: [BUG] an RCU warning in memcg

Date: Thursday, April 22, 2010 - 8:49 pm

KAMEZAWA Hiroyuki wrote:
quoted text> On Fri, 23 Apr 2010 11:00:41 +0800
> Li Zefan <lizf@cn.fujitsu.com> wrote:
> 
>> with CONFIG_PROVE_RCU=y, I saw this warning, it's because
>> css_id() is not under rcu_read_lock().
>>
> 
> Ok. Thank you for reporting.
> This is ok ? 

Yes, and I did some more simple tests on memcg, no more warning
showed up.

quoted text> ==
> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> 
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Messages in current thread:

[BUG] an RCU warning in memcg, Li Zefan, (Thu Apr 22, 8:00 pm)

[BUGFIX][PATCH] memcg rcu lock fix in swap code (Was Re: [ ..., KAMEZAWA Hiroyuki, (Thu Apr 22, 8:14 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was R ..., Balbir Singh, (Thu Apr 22, 8:32 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was R ..., Li Zefan, (Thu Apr 22, 8:49 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was R ..., KAMEZAWA Hiroyuki, (Thu Apr 22, 8:50 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was R ..., Li Zefan, (Thu Apr 22, 8:55 pm)

[BUGFIX][PATCH] memcg rcu lock fix v2, KAMEZAWA Hiroyuki, (Thu Apr 22, 8:58 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was R ..., Li Zefan, (Thu Apr 22, 9:02 pm)

[BUGFIX][PATCH] memcg rcu lock fix v3, KAMEZAWA Hiroyuki, (Thu Apr 22, 9:03 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix v3, Daisuke Nishimura, (Thu Apr 22, 9:41 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix v3, KAMEZAWA Hiroyuki, (Thu Apr 22, 11:05 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix v3, Li Zefan, (Thu Apr 22, 11:10 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix v3, KAMEZAWA Hiroyuki, (Thu Apr 22, 11:57 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix v3, Balbir Singh, (Fri Apr 23, 12:00 am)

Re: [BUGFIX][PATCH] memcg rcu lock fix v3, Paul E. McKenney, (Fri Apr 23, 12:34 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix v3, KAMEZAWA Hiroyuki, (Fri Apr 23, 7:08 pm)

Re: [BUGFIX][PATCH] memcg rcu lock fix v3, Paul E. McKenney, (Fri Apr 23, 9:27 pm)


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