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...of sectors corresponding to the file or device that represents the virtual disk. The first patch adds 64 bit integer write functions to the xenstore interface. The second patch fixes the xen backend driver to use this new function, allowing for more than 2147483647 sectors. Thanks, Felipe Felipe Franciosi (2): Introduce 64 bit integer write interface to xenstore Allow xen guests to plug disks of 1 TiB or more hw/xen_backend.c | 15 ++++++++++++++- hw/xen_backend.h | 2 ++ hw/xen_disk.c | 4 ++-- 3 files changed, 18 insertions(+), 3 deletions(-) -- 1.7.10.4

The device (not the driver) populates the used ring and includes the len of how much data was written. Signed-off-by: Felipe Franciosi <felipe at nutanix.com> --- drivers/virtio/virtio_ring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 489bfc6..8a0d6a9 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -649...

The device (not the driver) populates the used ring and includes the len of how much data was written. Signed-off-by: Felipe Franciosi <felipe at nutanix.com> --- drivers/virtio/virtio_ring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 489bfc6..8a0d6a9 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -649...

...onal and a > performance fix. It aligns the driver with the spec and allows control > planes to hotplug targets with large numbers of LUNs without having to > request a RESCAN for each one of them. > > Signed-off-by: Matej Genci <matej at nutanix.com> > Suggested-by: Felipe Franciosi <felipe at nutanix.com> > --- > drivers/scsi/virtio_scsi.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c > index bfec84aacd90..a4b9bc7b4b4a 100644 > --- a/drivers/scsi/virtio_scsi.c...

...onal and a > performance fix. It aligns the driver with the spec and allows control > planes to hotplug targets with large numbers of LUNs without having to > request a RESCAN for each one of them. > > Signed-off-by: Matej Genci <matej at nutanix.com> > Suggested-by: Felipe Franciosi <felipe at nutanix.com> > --- > drivers/scsi/virtio_scsi.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c > index bfec84aacd90..a4b9bc7b4b4a 100644 > --- a/drivers/scsi/virtio_scsi.c...

I have been googling and searching the archive , haven''t got anything helpful. Would appreciate any help. Got the follow error when trying to start a domain using NFS root IP-Config: Incomplete network configuration information. Looking up port of RPC 100003/2 on 10.10.24.141 <http://10.10.24.141> RPC: sendmsg returned error 101 portmap: RPC call returned error 101 Root-NFS:

Hi, I have been doing some diskIO bench-marking of dom0 and domU (HVM). I ran into an issue where domU performed better than dom0. So I ran few experiments to check if it is just diskIO performance. I have an archlinux (kernel 3.5.0) + xen 4.2.2) installed on a Intel Core i7 Q720 machine. I have also installed archlinux (kernel 3.5.0) in domU running on this machine. The domU runs with 8 vcpus.

...onal and a > performance fix. It aligns the driver with the spec and allows control > planes to hotplug targets with large numbers of LUNs without having to > request a RESCAN for each one of them. > > Signed-off-by: Matej Genci <matej at nutanix.com> > Suggested-by: Felipe Franciosi <felipe at nutanix.com> Stefan, Paolo, could you review this pls? > --- > drivers/scsi/virtio_scsi.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c > index bfec84aacd90..a4b9bc7b4b4a...

...ormance fix. It aligns the driver with the spec and allows control >> planes to hotplug targets with large numbers of LUNs without having to >> request a RESCAN for each one of them. >> >> Signed-off-by: Matej Genci <matej at nutanix.com> >> Suggested-by: Felipe Franciosi <felipe at nutanix.com> >> --- >> drivers/scsi/virtio_scsi.c | 7 ++++++- >> 1 file changed, 6 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c >> index bfec84aacd90..a4b9bc7b4b4a 100644 >> --- a/...

...t off at 9:30am and we have : * Stefan Cocora talking about the Deploument pipeline at ITV * Justin Clift talking about GlusterFS, getting started and management * Lester Wade talking about Eucalyptus to build your inhouse AWS clone * Robin Bowes talking about provisioning with TheForeman * Felipe Franciosi talking about Virtualised Storage and performance considerations * Mark Sutton talking about going from 0 to hero with FreeIPA Its going to be a great day, with lots of technical talks, so do come along and be a part of the event. Registrations are open now at https://centosdojolondon2013.eventbri...

Hi Jason, I understand your busy loop timeout is quite conservative at 50us. Did you try any other values? Also, did you measure how polling affects many VMs talking to each other (e.g. 20 VMs on each host, perhaps with several vNICs each, transmitting to a corresponding VM/vNIC pair on another host)? On a complete separate experiment (busy waiting on storage I/O rings on Xen), I have observed

Hi Jason, I understand your busy loop timeout is quite conservative at 50us. Did you try any other values? Also, did you measure how polling affects many VMs talking to each other (e.g. 20 VMs on each host, perhaps with several vNICs each, transmitting to a corresponding VM/vNIC pair on another host)? On a complete separate experiment (busy waiting on storage I/O rings on Xen), I have observed

On 11/12/2015 08:02 PM, Felipe Franciosi wrote: > Hi Jason, > > I understand your busy loop timeout is quite conservative at 50us. Did you try any other values? I've also tried 20us. And results shows 50us was better in: - very small packet tx (e.g 64bytes at most 46% improvement) - TCP_RR (at most 11% improvement) But I w...

...---------------- Christoph Hellwig (4): virtio_pci: use pci_alloc_irq_vectors virtio_pci: remove the call to vp_free_vectors in vp_request_msix_vectors virtio_pci: merge vp_free_vectors into vp_del_vqs virtio_pci: split vp_try_to_find_vqs into INTx and MSI-X variants Felipe Franciosi (1): virtio_ring: fix description of virtqueue_get_buf Gao feng (1): vsock: lookup and setup guest_cid inside vhost_vsock_lock Gonglei (3): virtio_pci_modern: fix complaint by sparse virtio_ring: fix complaint by sparse crypto: add virtio-crypto driver Jason Wang (2...

...---------------- Christoph Hellwig (4): virtio_pci: use pci_alloc_irq_vectors virtio_pci: remove the call to vp_free_vectors in vp_request_msix_vectors virtio_pci: merge vp_free_vectors into vp_del_vqs virtio_pci: split vp_try_to_find_vqs into INTx and MSI-X variants Felipe Franciosi (1): virtio_ring: fix description of virtqueue_get_buf Gao feng (1): vsock: lookup and setup guest_cid inside vhost_vsock_lock Gonglei (3): virtio_pci_modern: fix complaint by sparse virtio_ring: fix complaint by sparse crypto: add virtio-crypto driver Jason Wang (2...

Dear all, I have set up one unprivileged Domain-1 with help of FedoraQuickStart and some help from you. Now I want to install some other OS to Domain-2. How can I install a different OS (say Redhat 7.3) onto a unprivileged domain? Do I have to copy all files from an existed installation to an image file? Thanks, Koala _______________________________________________ Xen-users mailing list

...y Budilovsky <evgeny.budilovsky@ravellosystems.com> Evgeny Voevodin <e.voevodin@samsung.com> Evgeny Voevodin <evgenyvoevodin@gmail.com> Fabien Chouteau <chouteau@adacore.com> Fam Zheng <famz@redhat.com> Federico Simoncelli <fsimonce@redhat.com> Felipe Franciosi <felipe@paradoxo.org> Gabriel de Perthuis <g2p.code@gmail.com> Gabriel Kerneis <gabriel@kerneis.info> Gal Hammer <ghammer@redhat.com> Gerd Hoffmann <kraxel@redhat.com> Gertjan Halkes <qemu@ghalkes.nl> Gleb Natapov <gleb@redhat.com> Grant Likel...

...y Budilovsky <evgeny.budilovsky@ravellosystems.com> Evgeny Voevodin <e.voevodin@samsung.com> Evgeny Voevodin <evgenyvoevodin@gmail.com> Fabien Chouteau <chouteau@adacore.com> Fam Zheng <famz@redhat.com> Federico Simoncelli <fsimonce@redhat.com> Felipe Franciosi <felipe@paradoxo.org> Gabriel de Perthuis <g2p.code@gmail.com> Gabriel Kerneis <gabriel@kerneis.info> Gal Hammer <ghammer@redhat.com> Gerd Hoffmann <kraxel@redhat.com> Gertjan Halkes <qemu@ghalkes.nl> Gleb Natapov <gleb@redhat.com> Grant Likel...

...y Budilovsky <evgeny.budilovsky@ravellosystems.com> Evgeny Voevodin <e.voevodin@samsung.com> Evgeny Voevodin <evgenyvoevodin@gmail.com> Fabien Chouteau <chouteau@adacore.com> Fam Zheng <famz@redhat.com> Federico Simoncelli <fsimonce@redhat.com> Felipe Franciosi <felipe@paradoxo.org> Gabriel de Perthuis <g2p.code@gmail.com> Gabriel Kerneis <gabriel@kerneis.info> Gal Hammer <ghammer@redhat.com> Gerd Hoffmann <kraxel@redhat.com> Gertjan Halkes <qemu@ghalkes.nl> Gleb Natapov <gleb@redhat.com> Grant Likel...