On Mon, May 18, 2009 at 03:42:10PM +0300, Gleb Natapov wrote: > On Mon, May 18, 2009 at 09:40:03AM -0300, Glauber Costa wrote: > > On Mon, May 18, 2009 at 02:40:18PM +0300, Gleb Natapov wrote: > > > On Mon, May 18, 2009 at 08:39:43AM -0300, Glauber Costa wrote: > > > > > Now I recall something on LKML about this. Well, in this case Linux > > > > > shouldn't have used ACPI to invent its own way to do cpu hot-plug. > > > > It didn't. > > > > History shows that this method is what is used in some unisys machines, > > > > which seems to be the only ones implementing this around. > > > The questions are: What is "this" that linux currently implements, how > > > windows expects CPU hot-plug to work, are there any real x86 hardware > > > that supports CPU host-plug and what should we do about all this. > > as I said, there are unisys machines that implements cpu hotplug. > > The way they do it, is the way Linux kernel currently expects. The same way > > we implement on our BIOS. > I read that document too. And "based on some input from Natalie of Unisys" > does not sound promising. I'm not saying it is promising. Nothing un-specified is. Google search for the mails exchanged on the time of development of this also point in the direction that this is probably all we have.
> Are those Unisys machines certified to run > Windows 2008? Because if they are, they surely do something different > from what we are doing. Unless they have a time machine, it is unlikely. Windows 2008 did not exist at the time -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html