From: Greg KH <greg@kroah.com>
To: Hannes Reinecke <hare@suse.de>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] hotplug resource limitation
Date: Mon, 9 Aug 2004 17:10:16 -0700 [thread overview]
Message-ID: <20040810001016.GC7131@kroah.com> (raw)
In-Reply-To: <41177703.5070202@suse.de>
On Mon, Aug 09, 2004 at 03:07:15PM +0200, Hannes Reinecke wrote:
> Hi all,
> this is the second patch to implement hotplug resource limitation
> (relative to 2.6.7-rc2-mm2).
>
> In some cases it is preferrable to adapt the number of concurrent
> hotplug processes on the fly in addition to set the number statically
> during boot.
Why? This should be "auto-tuning". We don't want to provide
yet-another-knob-for-people-to-tweak-from-userspace, right?
> Additionally, it might be required to disable hotplug /
> kmod event delivery altogether for debugging purposes (e.g. if a module
> loaded automatically is crashing the machine).
Ugh, that's just not a good thing at all. You can do that by running:
echo /bin/true > /proc/sys/kernel/hotplug
today if you have to. I don't like the ability to stop the kernel from
running properly, like this patch allows you to.
thanks,
greg k-h
next prev parent reply other threads:[~2004-08-10 0:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-09 13:07 [PATCH 2/2] hotplug resource limitation Hannes Reinecke
2004-08-10 0:10 ` Greg KH [this message]
2004-08-10 8:10 ` Hannes Reinecke
2004-08-10 21:16 ` Greg KH
2004-08-16 10:11 ` Hannes Reinecke
2004-08-20 17:01 ` Olaf Dabrunz
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