All of lore.kernel.org
 help / color / mirror / Atom feed
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4C488FA4.6050009@us.ibm.com \
    --to=dvhltc@us.ibm.com \
    --cc=ego@in.ibm.com \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=paulus@samba.org \
    --cc=rostedt@goodmis.org \
    --cc=sfr@canb.auug.org.au \
    --cc=tglx@linutronix.de \
    --cc=willschm@us.ibm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.