Re: [BUG] 4.4.x-rt - memcg: refill_stock() use get_cpu_light() has data corruption issue

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To: Steven Rostedt <rostedt@xxxxxxxxxxx>
Subject: Re: [BUG] 4.4.x-rt - memcg: refill_stock() use get_cpu_light() has data corruption issue
From: Mike Galbraith <efault@xxxxxx>
Date: Wed, 22 Nov 2017 15:09:20 +0100
Cc: Haiyang HY1 Tan <tanhy1@xxxxxxxxxx>, "'bigeasy@xxxxxxxxxxxxx'" <bigeasy@xxxxxxxxxxxxx>, "'linux-rt-users@xxxxxxxxxxxxxxx'" <linux-rt-users@xxxxxxxxxxxxxxx>, "'linux-kernel@xxxxxxxxxxxxxxx'" <linux-kernel@xxxxxxxxxxxxxxx>, Tong Tong3 Li <litong3@xxxxxxxxxx>, Feng Feng24 Liu <liufeng24@xxxxxxxxxx>, Jianqiang1 Lu <lujq1@xxxxxxxxxx>, Hongyong HY2 Zang <zanghy2@xxxxxxxxxx>
In-reply-to: <20171122065955.15ac5039@gandalf.local.home>
References: <05AA4EC5C6EC1D48BE2CDCFF3AE0B8A637F78A15@CNMAILEX04.lenovo.com> <20171121225002.0704d679@vmware.local.home> <1511329005.8762.0.camel@gmx.de> <20171122065955.15ac5039@gandalf.local.home>

On Wed, 2017-11-22 at 06:59 -0500, Steven Rostedt wrote:
> 
> You see. No more spin lock to gripe about. No boom in your scenario.

And patches--, perfect.

	-Mike
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References:
- [BUG] 4.4.x-rt - memcg: refill_stock() use get_cpu_light() has data corruption issue
  - From: Haiyang HY1 Tan
- Re: [BUG] 4.4.x-rt - memcg: refill_stock() use get_cpu_light() has data corruption issue
  - From: Steven Rostedt
- Re: [BUG] 4.4.x-rt - memcg: refill_stock() use get_cpu_light() has data corruption issue
  - From: Mike Galbraith
- Re: [BUG] 4.4.x-rt - memcg: refill_stock() use get_cpu_light() has data corruption issue
  - From: Steven Rostedt

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