From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Pavel Machek <pavel@ucw.cz>
Subject: Re: CPU hotplug on i386
Date: Thu, 17 Mar 2005 01:16:33 +0100
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Cc: Nathan Lynch <ntl@pobox.com>, kernel list <linux-kernel@vger.kernel.org>,
       rusty@rustcorp.com.au
References: <20050316132151.GA2227@elf.ucw.cz> <200503170051.58579.rjw@sisk.pl> <20050317000410.GA3210@elf.ucw.cz>
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Hi,

On Thursday, 17 of March 2005 01:04, Pavel Machek wrote:
> Hi!
> 
> > > > I tried to solve long-standing uglyness in swsusp cmp code by calling
> > > > cpu hotplug... only to find out that CONFIG_CPU_HOTPLUG is not
> > > > available on i386. Is there way to enable CPU_HOTPLUG on i386?
> > > 
> > > i386 cpu hotplug has been in -mm for a while.  Don't know when (if
> > > ever) it will get merged.
> > 
> > Thanks a lot for this hint! ;-)
> > 
> > Pavel, I've ported the basic i386 CPU hotplug stuff, without the sysfs
> > interface, to x86-64 (a cut'n'paste kind of work, mostly).  For now, I've
> > made HOTPLUG_CPU on x86-64 depend on SMP and SOFTWARE_SUSPEND and be set
> > automatically.
> > 
> > I'm going to test it together with your patch tomorrow.
> 
> Hey, don't count on my patch. It is first shot, never tested.

It'll be the first time, then.  I'm not afraid. ;-)

Rafael


-- 
- Would you tell me, please, which way I ought to go from here?
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