device passthrough

Hi, All: Is there any method to directly assign a device to Guest OS without VT-d? Thanks Mu-- 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

Re: [PATCH v2 00/10] Redirct and make use of the guest serial console

Lucas Meneghel Rodrigues wrote: > On Tue, 2010-05-11 at 17:03 +0800, Jason Wang wrote: > >> The guest console is useful for failure troubleshooting especially for >> the one who has calltrace. And as we plan to push the network related >> test in the next few weeks, we found the serial session i

Re: [PATCH 2/3] KVM test: Do not use the hard-coded address during unattended installation

Lucas Meneghel Rodrigues wrote: > On Wed, 2010-05-19 at 17:20 +0800, Jason Wang wrote: > >> When we do the unattended installation in tap mode, we should use >> vm.get_address() instead of the 'localhost' in order the connect to >> the finish program running in the guest. >> >> Signed-off-by: Ja

[PATCH 1/3] KVM test: Add the support of kernel and initrd option for qemu-kvm

"-kernel" option is useful for both unattended installation and the unittest in /kvm/user/test. Signed-off-by: Jason Wang --- client/tests/kvm/kvm_vm.py | 10 ++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/client/tests/kvm/kvm_vm.py b/client/tests/kvm/kvm_vm.py inde

[PATCH 2/3] KVM test: Do not use the hard-coded address during unattended installation

When we do the unattended installation in tap mode, we should use vm.get_address() instead of the 'localhost' in order the connect to the finish program running in the guest. Signed-off-by: Jason Wang --- client/tests/kvm/tests/unattended_install.py | 25 + 1 files chan

[PATCH 3/3] KVM test: Add implementation of network based unattended installation

This patch could let the unattended installation to be done through the following method: - unattended.cdrom: the original method which does the installation from cdrom - unattended.url: installing the linux guest from http or ftp, tree url was specified through url - unattended.nfs: installin

Re: [PATCHv2-RFC 0/2] virtio: put last seen used index into ring itself

On 05/26/10 21:50, Michael S. Tsirkin wrote: > Here's a rewrite of the original patch with a new layout. > I haven't tested it yet so no idea how this performs, but > I think this addresses the cache bounce issue raised by Avi. > Posting for early flames/comments. > > Generally, the Host end of th

Re: [Qemu-devel] [PATCH 0/2] Fix scsi-generic breakage in upstream qemu-kvm.git

Am 27.05.2010 17:56, schrieb Nicholas A. Bellinger: > On Thu, 2010-05-20 at 15:18 +0200, Kevin Wolf wrote: >> Am 17.05.2010 18:45, schrieb Nicholas A. Bellinger: >>> From: Nicholas Bellinger >>> >>> Greetings, >>> >>> Attached are the updated patches following hch's comments to fix >>> scsi-gener

Question about IOMMU

Hi, I'm trying to use KVM virtualization at home and I've run into what I think is a limitation of my hardware. I'm trying to pass a PCI card (WinTV NOVA-T 500) through to a guest OS but I get the error 'IOMMU not found'. Now I've read that this is because my motherboard does not have an IOMMU to

[PATCH] KVM test: Measure the timedrift after continuing a stopped vm

This test extends the timedifrt test and measures the timedirft across the vm stopping and continuing. Two helpers function are also added in kvm_test_utils to do the stop and continue. Signed-off-by: Jason Wang --- client/tests/kvm/tests/timedrift_with_stop.py | 97 +

KVM: MMU: always invalidate and flush on spte page size change

Always invalidate spte and flush TLBs when changing page size, to make sure different sized translations for the same address are never cached in a CPU's TLB. The first case where this occurs is when a non-leaf spte pointer is overwritten by a leaf, large spte entry. This can happen after dirty l

Re: [PATCH 2/3] workqueue: Add an API to create a singlethread workqueue attached to the current task's cgroup

On Thu, May 27, 2010 at 11:20:22PM +0200, Tejun Heo wrote: > Hello, Michael. > > On 05/27/2010 07:32 PM, Michael S. Tsirkin wrote: > > Well, this is why I proposed adding a new API for creating > > workqueue within workqueue.c, rather than exposing the task > > and attaching it to cgroups in our d

Re: [PATCH 2/3] workqueue: Add an API to create a singlethread workqueue attached to the current task's cgroup

Hello, On 05/28/2010 05:08 PM, Michael S. Tsirkin wrote: > Well, we have create_singlethread_workqueue, right? > This is not very different ... is it? > > Just copying structures and code from workqueue.c, > adding vhost_ in front of it will definitely work: Sure it will, but you'll probably be

Re: [Qemu-devel] [PATCH 1/1] ceph/rbd block driver for qemu-kvm (v2)

Am 27.05.2010 21:11, schrieb Christian Brunner: > This is a block driver for the distributed file system Ceph > (http://ceph.newdream.net/). This driver uses librados (which > is part of the Ceph server) for direct access to the Ceph object > store and is running entirely in userspace. Therefore

Re: Perf trace event parse errors for KVM events

I get parse errors when using Steven Rostedt's trace-cmd tool, too. Any ideas what is going on here? I can provide more info (e.g. trace files) if necessary. Stefan -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majord

[Reminder] KVM Forum 2010: Early Bird Registration

Just a reminder...The early bird registration period ends on May 30th. It's shaping up to be an excellent KVM Forum, look forward to seeing you there. Registration link is here: http://events.linuxfoundation.org/component/registrationpro/?func=details&did=34 thanks, -KVM Forum 2010 Program Comm

Re: device passthrough

* Mu Lin (m...@juniper.net) wrote: > Is there any method to directly assign a device to Guest OS without VT-d? Assuming you mean a PCI device, no, there isn't. Without an IOMMU[1] you can't directly assign a PCI device to a guest (nor is it safe). There have been patches floating around to allo

Re: [Qemu-devel] Re: Another SIGFPE in display code, now in cirrus

12.05.2010 22:11, Stefano Stabellini wrote: On Wed, 12 May 2010, Jamie Lokier wrote: Stefano Stabellini wrote: On Wed, 12 May 2010, Avi Kivity wrote: It's useful if you have a one-line horizontal pattern you want to propagate all over. It might be useful all right, but it is not entirely cle

Re: [Qemu-devel] [PATCH 1/1] ceph/rbd block driver for qemu-kvm (v2)

Hi Kevin, thanks for your review notes. Yehuda and I have already worked this into the git tree on the ceph site. I'll do some testing on Monday. After that I'll send an updated patch. Regards, Christian 2010/5/28 Kevin Wolf : > Am 27.05.2010 21:11, schrieb Christian Brunner: >> This is a block

Re: Perf trace event parse errors for KVM events

On Fri, May 28, 2010 at 05:42:51PM +0100, Stefan Hajnoczi wrote: > I get parse errors when using Steven Rostedt's trace-cmd tool, too. > > Any ideas what is going on here? I can provide more info (e.g. trace > files) if necessary. Non standard print_format for the problematic entries? -- To uns

Re: Perf trace event parse errors for KVM events

On Fri, 2010-05-28 at 17:42 +0100, Stefan Hajnoczi wrote: > I get parse errors when using Steven Rostedt's trace-cmd tool, too. > > Any ideas what is going on here? I can provide more info (e.g. trace > files) if necessary. Does trace-cmd fail on the same tracepoints? Have you checkout the lates

RE: device passthrough

Thanks, Chris, Do you know where is the patch, I just need something quick and dirty for now, my shining new board does have VT-d but the BIOS is not ready yet, I want to have something "working" now. Mu > -Original Message- > From: Chris Wright [mailto:chr...@sous-sol.org] > Sent: F

Re: device passthrough

* Mu Lin (m...@juniper.net) wrote: > Do you know where is the patch, I just need something quick and dirty > for now, my shining new board does have VT-d but the BIOS is not ready > yet, I want to have something "working" now. Sorry, I don't have a handy pointer. You can search for either pv dma

Re: [PATCH] VFIO driver: Non-privileged user level PCI drivers

Hi, On Fri, 28 May 2010 16:07:38 -0700 Tom Lyon wrote: Missing diffstat -p1 -w 70: Documentation/vfio.txt | 176 MAINTAINERS|7 drivers/Kconfig|2 drivers/Makefile |1 drivers/vfio/Kconfig |9 dri

Re: [PATCH] VFIO driver: Non-privileged user level PCI drivers

On Fri, 28 May 2010 16:07:38 -0700 Tom Lyon wrote: > diff -uprN linux-2.6.34/Documentation/vfio.txt > vfio-linux-2.6.34/Documentation/vfio.txt > --- linux-2.6.34/Documentation/vfio.txt 1969-12-31 16:00:00.0 > -0800 > +++ vfio-linux-2.6.34/Documentation/vfio.txt 2010-05-28 14:03:05