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From: Dong Liu <dliu.cn@gmail.com>
To: linux-rt-users@vger.kernel.org
Subject: Re: cpu stall and hyperthread
Date: Fri, 06 Jul 2012 11:58:46 -0400	[thread overview]
Message-ID: <4FF70B36.3050103@gmail.com> (raw)
In-Reply-To: <4FF68396.2010904@gmail.com>

On 7/6/12 2:20 AM, Dong Liu wrote:

>
> Is it possible to non-preemptible RCU in PREEMPT_RT kernel? I know it
> will reduce the system's RT performance, but we can make sure the reason
> of this cpu stall error is the preemptible RCU
>
>

I tried this approach. I made some change to init/Kconfig 
kernel/rcutree.c. Successful built the PREEMPT kerne with 
non-preemptible rcu implementation. But the kernel crashed at boot time :(

Dong

  parent reply	other threads:[~2012-07-06 15:58 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4FEBCDDE.60503@gmail.com>
2012-07-03 20:10 ` cpu stall and hyperthread Dong Liu
2012-07-04  1:13   ` Paul E. McKenney
2012-07-04 17:27     ` Dong Liu
2012-07-04 22:52   ` Carsten Emde
2012-07-05 18:41     ` Dong Liu
2012-07-05 22:48       ` Carsten Emde
2012-07-06  6:07         ` Dong Liu
2012-07-05 23:02       ` Carsten Emde
2012-07-06  6:04         ` Dong Liu
2012-07-05 18:48 ` Dong Liu
2012-07-06  6:20 ` Dong Liu
2012-07-06 11:40   ` Carsten Emde
2012-07-06 16:03     ` Dong Liu
2012-07-06 21:01       ` Carsten Emde
2012-07-09  4:33     ` Dong Liu
2012-07-09  6:53       ` Carsten Emde
2012-07-09 14:46         ` Dong Liu
2012-07-06 15:58   ` Dong Liu [this message]
2012-07-06 17:32   ` Dong Liu
2012-07-12 20:27 ` Dong Liu
2012-06-28  3:23 Dong Liu

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