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From: Darren Hart <dvhltc@us.ibm.com>
To: linuxppc-dev@ozlabs.org
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	Gautham R Shenoy <ego@in.ibm.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Will Schmidt <willschm@us.ibm.com>,
	Paul Mackerras <paulus@samba.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH][RFC] preempt_count corruption across H_CEDE call with CONFIG_PREEMPT on pseries
Date: Thu, 22 Jul 2010 11:36:20 -0700	[thread overview]
Message-ID: <4C488FA4.6050009@us.ibm.com> (raw)
In-Reply-To: <4C488CCD.60004@us.ibm.com>

On 07/22/2010 11:24 AM, Darren Hart wrote:

> The following patch is most certainly not correct, but it does eliminate
> the situation on mainline 100% of the time (there is still a 25%
> reproduction rate on PREEMPT_RT). Can someone comment on:

Apologies. This particular issue is also 100% eliminated on PREEMPT_RT. 
We hit another issue possibly unrelated to this 25% of time. Please 
disregard the comment regarding 25% failure on PREEMPT_RT.

-- 
Darren Hart
IBM Linux Technology Center
Real-Time Linux Team

  reply	other threads:[~2010-07-22 18:36 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-22 18:24 [PATCH][RFC] preempt_count corruption across H_CEDE call with CONFIG_PREEMPT on pseries Darren Hart
2010-07-22 18:36 ` Darren Hart [this message]
2010-07-22 18:38 ` Thomas Gleixner
2010-08-10 22:36   ` Darren Hart
2010-07-22 22:25 ` Benjamin Herrenschmidt
2010-07-22 23:57   ` Darren Hart
2010-07-23  4:44     ` Darren Hart
2010-07-23  5:08       ` Vaidyanathan Srinivasan
2010-07-23  5:11         ` Benjamin Herrenschmidt
2010-07-23  7:07           ` Vaidyanathan Srinivasan
2010-08-05  4:45             ` Darren Hart
2010-08-05 11:06               ` Vaidyanathan Srinivasan
2010-08-05 12:26                 ` Thomas Gleixner
2010-07-23  5:09       ` Benjamin Herrenschmidt
2010-08-06  2:19         ` Darren Hart
2010-08-06  5:09           ` Vaidyanathan Srinivasan
2010-08-06  7:13             ` Darren Hart
2010-07-23 14:39     ` Will Schmidt
2010-08-04 13:44   ` Darren Hart
2010-08-19 15:58 ` Ankita Garg
2010-08-19 18:58   ` Will Schmidt
2010-08-23 22:20   ` Darren Hart
2010-08-31  7:12   ` Darren Hart
2010-09-01  5:54     ` Michael Ellerman
2010-09-01 15:10       ` Darren Hart
2010-09-01 18:47         ` Darren Hart
2010-09-01 19:59           ` Steven Rostedt
2010-09-01 20:42             ` Darren Hart
2010-09-02  1:02               ` Michael Neuling
2010-09-02  4:06                 ` Steven Rostedt
2010-09-02  6:04                   ` Darren Hart
2010-09-03 20:10                     ` Will Schmidt
2010-09-02 23:04                   ` Michael Neuling
2010-09-03  0:08                     ` Darren Hart
2010-09-02  3:46           ` Michael Neuling

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