LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Ingo Molnar <mingo@elte.hu>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de,
	dipankar@in.ibm.com, tytso@us.ibm.com, dvhltc@us.ibm.com,
	oleg@tv-sign.ru, twoerner.k@gmail.com, josh@freedesktop.org,
	billh@gnuppy.monkey.org, nielsen.esben@googlemail.com,
	corbet@lwn.net
Subject: Re: [RFC PATCH -rt 1/2] RCU priority boosting that survives vicious testing
Date: Thu, 1 Feb 2007 09:23:33 +0100	[thread overview]
Message-ID: <20070201082333.GA18233@elte.hu> (raw)
In-Reply-To: <20070201012445.GA22922@linux.vnet.ibm.com>


* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:

> Here is the RCU priority-boosting patch.  Pretty close to the 
> http://lkml.org/lkml/2007/1/24/295 version.  This patch prevents 
> preempted or blocked low-priority RCU readers from indefinitely 
> stalling RCU grace periods.

thanks - i've applied both patches to -rt and it's looking good so far! 
Find a small cosmetic fix below.

	Ingo

Index: linux/kernel/rcupreempt.c
===================================================================
--- linux.orig/kernel/rcupreempt.c
+++ linux/kernel/rcupreempt.c
@@ -489,7 +489,7 @@ void init_rcu_boost_late(void)
 	rcu_boost_task = kthread_run(rcu_booster, NULL, "RCU Prio Booster");
 	if (IS_ERR(rcu_boost_task)) {
 		printk(KERN_ALERT
-		       "Unable to create RCU Priority Booster, errno %d\n",
+		       "Unable to create RCU Priority Booster, errno %ld\n",
 		       -PTR_ERR(rcu_boost_task));
 
 		/*

  reply	other threads:[~2007-02-01  8:32 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-01  1:21 [RFC PATCH -rt 0/2] " Paul E. McKenney
2007-02-01  1:24 ` [RFC PATCH -rt 1/2] " Paul E. McKenney
2007-02-01  8:23   ` Ingo Molnar [this message]
2007-02-02 15:56     ` Paul E. McKenney
2007-02-01  1:26 ` [RFC PATCH -rt 2/2] RCU priority boosting additions to rcutorture Paul E. McKenney
2007-02-01  2:12   ` Nigel Cunningham
2007-02-01  2:31     ` Paul E. McKenney
2007-02-01  2:42       ` Nigel Cunningham
2007-02-01  5:46         ` Paul E. McKenney
2007-02-01 22:13           ` Nigel Cunningham

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=20070201082333.GA18233@elte.hu \
    --to=mingo@elte.hu \
    --cc=billh@gnuppy.monkey.org \
    --cc=corbet@lwn.net \
    --cc=dipankar@in.ibm.com \
    --cc=dvhltc@us.ibm.com \
    --cc=josh@freedesktop.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=nielsen.esben@googlemail.com \
    --cc=oleg@tv-sign.ru \
    --cc=paulmck@linux.vnet.ibm.com \
    --cc=tglx@linutronix.de \
    --cc=twoerner.k@gmail.com \
    --cc=tytso@us.ibm.com \
    --subject='Re: [RFC PATCH -rt 1/2] RCU priority boosting that survives vicious testing' \
    /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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).