From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NFRiT-0000Bn-4Y for qemu-devel@nongnu.org; Tue, 01 Dec 2009 07:20:25 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NFRiN-00009u-KH for qemu-devel@nongnu.org; Tue, 01 Dec 2009 07:20:23 -0500 Received: from [199.232.76.173] (port=35539 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NFRiN-00009r-Dl for qemu-devel@nongnu.org; Tue, 01 Dec 2009 07:20:19 -0500 Received: from cantor2.suse.de ([195.135.220.15]:34280 helo=mx2.suse.de) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NFRiL-000288-9W for qemu-devel@nongnu.org; Tue, 01 Dec 2009 07:20:17 -0500 Message-ID: <4B1509FB.3030206@suse.de> Date: Tue, 01 Dec 2009 13:20:11 +0100 From: Alexander Graf MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH 0/7] KVM SMP support, early version References: <1259256300-23937-1-git-send-email-glommer@redhat.com> In-Reply-To: <1259256300-23937-1-git-send-email-glommer@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Glauber Costa Cc: aliguori@us.ibm.com, qemu-devel@nongnu.org Glauber Costa wrote: > Hi guys, > > This is an early version of smp support in kvm that kinda works. > It has some known problems that I am still tracking. For example, > it does not reset very well. Also, initialization is a bit slow, > probably because of the number of remote ioctl calls involved. > But I believe Jan's patch to do a single ioctl can make it better. > > Normal operation seem to be going smooth for me. I can boot the > machine and get it going decently. I'll keep working on the issues, > but comments are welcome in the mean time. > Can you shut down with that series? I'm trying to get SMP working with S390X and it looks pretty good, apart from the VCPU threads having cpu_single_env == NULL on SIGUSR1, which makes them not get out of their guest context. Alex