From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1O4kxb-0007RB-P7 for qemu-devel@nongnu.org; Wed, 21 Apr 2010 21:12:07 -0400 Received: from [140.186.70.92] (port=44874 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O4kxZ-0007QO-Vy for qemu-devel@nongnu.org; Wed, 21 Apr 2010 21:12:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1O4kxY-0004HT-J9 for qemu-devel@nongnu.org; Wed, 21 Apr 2010 21:12:05 -0400 Received: from mail-vw0-f45.google.com ([209.85.212.45]:49339) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1O4kxY-0004HG-Di for qemu-devel@nongnu.org; Wed, 21 Apr 2010 21:12:04 -0400 Received: by vws16 with SMTP id 16so217920vws.4 for ; Wed, 21 Apr 2010 18:12:03 -0700 (PDT) Date: Wed, 21 Apr 2010 21:12:00 -0400 From: Kevin O'Connor Message-ID: <20100422011200.GA10677@morn.localdomain> References: <1271705694.2505.36.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1271705694.2505.36.camel@localhost.localdomain> Subject: [Qemu-devel] Re: About cpu_set, CPU hotplug and related subjects List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Lucas Meneghel Rodrigues Cc: seabios@seabios.org, qemu mailing list , KVM mailing list On Mon, Apr 19, 2010 at 04:34:54PM -0300, Lucas Meneghel Rodrigues wrote: > After doing some reading it seems to me that the reason why that is not > happening is because SeaBIOS still doesn't have code to support CPU hot > plugging as BochsBIOS did. As I understand it, the hotplug support was only in the kvm copy of bochs bios. It also limited the number of cpus one could use (I think 16). The current smp support in SeaBIOS doesn't limit the number of cpus. So, there has been reluctance to just port the old kvm bios code forward. -Kevin