All of lore.kernel.org
 help / color / mirror / Atom feed
From: Mike Galbraith <efault@gmx.de>
To: Jon Masters <jcm@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Michal Schmidt <mschmidt@redhat.com>,
	linux-kernel@vger.kernel.org,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Subject: Re: [PATCH] kthread: run kthreadd with max priority SCHED_FIFO
Date: Sat, 22 Dec 2007 11:39:30 +0100	[thread overview]
Message-ID: <1198319970.5509.10.camel@homer.simson.net> (raw)
In-Reply-To: <1198317171.24423.47.camel@perihelion>


On Sat, 2007-12-22 at 04:52 -0500, Jon Masters wrote:

> So, user tasks running with SCHED_FIFO should be able to lock a system?
> I guess I see both sides of this argument - yes, it's userspace at
> fault, but in other cases when userspace is at fault, we take action
> (OOM, segfault, others). Isn't this situation just another case where
> the kernel needs to avoid the evils of userland going awry?

FYI, Ingo queued the below.

http://lkml.org/lkml/2007/10/31/344

	-Mike





  parent reply	other threads:[~2007-12-22 10:39 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-17 22:43 [PATCH] kthread: run kthreadd with max priority SCHED_FIFO Michal Schmidt
2007-12-17 23:00 ` Jon Masters
2007-12-22  9:30 ` Andrew Morton
2007-12-22  9:52   ` Jon Masters
2007-12-22 10:11     ` Andrew Morton
2007-12-22 10:18       ` Jon Masters
2007-12-22 10:39     ` Mike Galbraith [this message]
2007-12-22 10:52       ` Andrew Morton
2007-12-22 11:21         ` Jon Masters
2007-12-23  8:50         ` Mike Galbraith
2008-01-07 10:06   ` [PATCH] kthread: always create the kernel threads with normal priority Michal Schmidt
2008-01-07 10:25     ` Andrew Morton
2008-01-07 11:09       ` Ingo Molnar
2008-01-07 17:29         ` Andrew Morton
2008-01-07 17:47           ` Peter Zijlstra
2008-01-08  9:54           ` Michal Schmidt
2008-01-07 13:18       ` Michal Schmidt
2008-01-08 16:22         ` Ingo Molnar
2008-01-07 11:22     ` Remy Bohmer
2008-01-07 13:10       ` Michal Schmidt
2008-01-07 15:53         ` Remy Bohmer

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=1198319970.5509.10.camel@homer.simson.net \
    --to=efault@gmx.de \
    --cc=akpm@linux-foundation.org \
    --cc=ebiederm@xmission.com \
    --cc=jcm@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mschmidt@redhat.com \
    --cc=takeuchi_satoru@jp.fujitsu.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.