[PATCH 01/14] asmlinkage, kvm: Make kvm_rebooting visible

2014-02-07 Thread Andi Kleen
kvm_rebooting is referenced from assembler code, thus needs to be visible. Cc: g...@redhat.com Cc: pbonz...@redhat.com Cc: kvm@vger.kernel.org Signed-off-by: Andi Kleen --- virt/kvm/kvm_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_

Re: [Qemu-devel] Speed disk virtio

2014-02-07 Thread Brian Jackson
On 02/04/2014 08:21 AM, XliN wrote: > Good day. Very little speed drives Virtio. Drivers are the latest > guest on the system "Windows server 2008". Host system centos 6.5. What latest? There are a few different places to get drivers (Fedora site, RHEL subscription, build yourself, etc). From the

Re: Fwd: Discard is not working

2014-02-07 Thread Paolo Bonzini
Il 07/02/2014 17:36, Michael Tokarev ha scritto: However, when I export the same test.raw file using virtio, like this: -drive file=test.raw,if=virtio,discard=unmap it doesn't work: guest does not see the virtio drive as discardable. > Did I understand something wrong? Is the command wrong?

Re: Fwd: Discard is not working

2014-02-07 Thread chickenmarkus
Hello, I played around with raw images now. Megasas is not supported by libvirt. The default controller crashs during installation while accessing to disk. qemu-system-x86_64: /build/qemu-j0uSxv/qemu-1.7.0+dfsg/hw/scsi/lsi53c895a.c:541: lsi_do_dma: Assertion `s->current' failed. So

MSI interrupt support with vioscsi.c miniport driver

2014-02-07 Thread Nicholas A. Bellinger
Hi Yan, So recently I've been doing some KVM guest performance comparisons between the scsi-mq prototype using virtio-scsi + vhost-scsi, and Windows Server 2012 with vioscsi.sys (virtio-win-0.1-74.iso) + vhost-scsi using PCIe flash backend devices. I've noticed that small block random performance

Re: [PATCH v3 05/11] ARM: LPAE: provide an IPA capable pmd_addr_end

2014-02-07 Thread Christoffer Dall
On Fri, Feb 07, 2014 at 03:44:01PM +, Catalin Marinas wrote: > On Fri, Feb 07, 2014 at 04:04:56AM +, Christoffer Dall wrote: > > On Thu, Feb 06, 2014 at 10:43:28AM +, Catalin Marinas wrote: > > > On Wed, Feb 05, 2014 at 07:55:45PM +, Marc Zyngier wrote: > > > > The default pmd_addr_

Re: Fwd: Discard is not working

2014-02-07 Thread Michael Tokarev
07.02.2014 04:03, Paolo Bonzini wrote: > Michael, can you look at this? > > Paolo > > Messaggio originale > From: chickenmar...@freenet.de > To: kvm@vger.kernel.org > > Hello, > > after reading the "invitation" for some one-off questions without > subscribing excuse my disturb

Re: QEMU P2P migration speed

2014-02-07 Thread Michael Tokarev
07.02.2014 19:32, Paolo Bonzini wrote: > Il 07/02/2014 14:07, Andrey Korolyov ha scritto: >> Ok, I will do, but looks like libvirt version(1.0.2) in not relevant - >> it meets criteria set by debian packagers > > Then Debian's qemu packaging it's wrong, QEMU 1.6 or newer should conflict > with lib

Fwd: Discard is not working

2014-02-07 Thread chickenmarkus
Hello, I did not get response to my private mail address. So I'm subscribed now. Bye Markus Original-Nachricht Betreff:Discard is not working Datum: Wed, 05 Feb 2014 23:53:56 +0100 Von:chickenmar...@freenet.de An: kvm@vger.kernel.org Hello, after reading

Re: [PATCH v3 05/11] ARM: LPAE: provide an IPA capable pmd_addr_end

2014-02-07 Thread Catalin Marinas
On Fri, Feb 07, 2014 at 04:04:56AM +, Christoffer Dall wrote: > On Thu, Feb 06, 2014 at 10:43:28AM +, Catalin Marinas wrote: > > On Wed, Feb 05, 2014 at 07:55:45PM +, Marc Zyngier wrote: > > > The default pmd_addr_end macro uses an unsigned long to represent > > > the VA. When used with

Re: QEMU P2P migration speed

2014-02-07 Thread Paolo Bonzini
Il 07/02/2014 14:07, Andrey Korolyov ha scritto: > Ok, I will do, but looks like libvirt version(1.0.2) in not relevant - > it meets criteria set by debian packagers Then Debian's qemu packaging it's wrong, QEMU 1.6 or newer should conflict with libvirt <1.2.0. > and again, 'broken state' is > no

Re: QEMU P2P migration speed

2014-02-07 Thread Paolo Bonzini
Il 07/02/2014 14:07, Andrey Korolyov ha scritto: Ok, I will do, but looks like libvirt version(1.0.2) in not relevant - it meets criteria set by debian packagers and again, 'broken state' is not relevant to the libvirt state history, it more likely to be qemu/kvm problem. It is relevant, qemu i

Re: QEMU P2P migration speed

2014-02-07 Thread Andrey Korolyov
On 02/07/2014 12:14 PM, Paolo Bonzini wrote: > Il 06/02/2014 14:40, Andrey Korolyov ha scritto: >> Took and build 1.6.2 and faced a problem - after a couple of bounce >> iterations of migration (1->2->1->2) VM is not able to migrate anymore >> back in a probabilistic manner with an error 'internal

Re: [libvirt] Looking for project ideas and mentors for Google Summer of Code 2014

2014-02-07 Thread Paolo Bonzini
Il 07/02/2014 11:41, Giorgio Zoppi ha scritto: Hi all, I would like to add fault tolerance mechanism. I'm assuming you would contribute as a student rather than a mentor, since I am not familiar with contributions from you to either libvirt or QEMU. In that case, do not worry. The page is

Re: [Qemu-devel] [libvirt] Looking for project ideas and mentors for Google Summer of Code 2014

2014-02-07 Thread Fam Zheng
On Fri, 02/07 15:01, Fam Zheng wrote: > I'd like to add persistent dirty bitmap as an idea but I seem to have no > account on wiki, so I'll just reply here, please help with review and update > the page if it makes sense. (Who could create an account for me, BTW?) Now I've got two because Paolo an

Re: file_ram_alloc: unify mem-path,mem-prealloc error handling

2014-02-07 Thread Paolo Bonzini
Il 04/02/2014 19:41, Marcelo Tosatti ha scritto: -mem-prealloc asks to preallocate memory residing on -mem-path path. Currently QEMU exits in case: - Memory file has been created but allocation via explicit write fails. And it fallbacks to malloc in case: - Querying huge page size fails. - La

Re: QEMU P2P migration speed

2014-02-07 Thread Paolo Bonzini
Il 06/02/2014 14:40, Andrey Korolyov ha scritto: Took and build 1.6.2 and faced a problem - after a couple of bounce iterations of migration (1->2->1->2) VM is not able to migrate anymore back in a probabilistic manner with an error 'internal error unexpected migration status in setup'. Error may

Re: [PATCH 0/4] PPC: KVM: fix RESUME_GUEST checks

2014-02-07 Thread Greg Kurz
On Thu, 6 Feb 2014 18:39:30 +0100 Alexander Graf wrote: > > On 06.02.2014, at 17:36, Greg Kurz wrote: > > > As discussed in this thread: > > > > http://patchwork.ozlabs.org/patch/309166/ > > > > We need some consistency in the way we check whether the guest > > should resume or not because: >