From: Nathan Lynch <ntl@pobox.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Andrew Morton <akpm@osdl.org>,
lkml <linux-kernel@vger.kernel.org>,
Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [PATCH] generate hotplug events for cpu online
Date: Thu, 21 Apr 2005 19:15:06 -0500 [thread overview]
Message-ID: <20050422001506.GB18688@otto> (raw)
In-Reply-To: <20050421184655.GA475@openzaurus.ucw.cz>
On Thu, Apr 21, 2005 at 08:46:56PM +0200, Pavel Machek wrote:
> Hi!
>
> > We already do kobject_hotplug for cpu offline; this adds a
> > kobject_hotplug call for the online case. This is being requested by
> > developers of an application which wants to be notified about both
> > kinds of events.
>
> I'm afraid of bad interactions with swsusp/S3 on smp. We offline cpus there,
> but we probably do not want userland to know...
The kobject_hotplug calls for cpu online and offline are present only
in the code paths where the operation is initiated through the sysfs
interface, so I don't think you have to worry.
Nathan
prev parent reply other threads:[~2005-04-22 0:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-14 17:56 Nathan Lynch
2005-04-21 18:46 ` Pavel Machek
2005-04-22 0:15 ` Nathan Lynch [this message]
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