search for: hypervisior

...ided this. > > Any suggestions for addressing this particular scenerio other > than having to manually set a bunch of clocks? > I ran into this situation several times whilst testing KVM and the lessons I learned from the experiences can be summarized as: 1. Never allow the kvm hypervisior to handle guests during a host shutdown. Use 'virsh shutdown' on each of the guests first and then shutdown the host. Use autostart to restart guests on a host's reboot. Write a script to process 'virsh list' to feed active domains to 'virsh shutdown' if automation is...

...kernel : it''s ok, didn''t crash - only drbd/lvm with a xen Debian kernel : it''s ok, didn''t crash - only xend hypervisor, drbd/lvm with xen Debian Kernel : it''s ok, didn''t crash - xend hypervisor, 2 domU, drbd/lvm : crash ;''( - xend hypervisior, 2 dom, drbd/lvm but with noapic nolapic acpi=off on dom0 grub : crash :''( any idea ? any questions ? thanks in advance (I will come back with a Debian Testing + xen3.1 ...) -- Guguin Benoit Société Alixen 20 rue Jean Rostand 91 400 Orsay Cedex France Tel : 01 60 19 72 31, Fax...

I have compiled a Dom0 kernel and kept in boot the images xen-test-vmlinuz initrd-test-2.6.29.img xen-3.3.gz my /boot/grub/menu.lst looks like this title TEST Xen 3.3 / Ubuntu 9.04 uuid 32ce16fb-1400-4d71-bb37-c98ef140e501 kernel /xen-3.3.gz module /xen-test-vmlinuz root=/dev/vga/dom0 ro console=tty0 module /initrd-test-2.6.29.2.img quiet I get

Further cleanup of the vmbus driver: 1) Cleanup the interrupt handler by inlining some code. 2) Ensure message handling is performed on the same CPU that takes the vmbus interrupt. 3) Check for events before messages (from the host). 4) Disable auto eoi for the vmbus interrupt since Linux will eoi the interrupt anyway. 5) Some general cleanup. Regards, K. Y

Further cleanup of the vmbus driver: 1) Cleanup the interrupt handler by inlining some code. 2) Ensure message handling is performed on the same CPU that takes the vmbus interrupt. 3) Check for events before messages (from the host). 4) Disable auto eoi for the vmbus interrupt since Linux will eoi the interrupt anyway. 5) Some general cleanup. Regards, K. Y

...+/* * VmbusOnCleanup - Perform any cleanup when the driver is removed */ static void VmbusOnCleanup(struct hv_driver *drv) @@ -168,7 +168,7 @@ static void VmbusOnCleanup(struct hv_driver *drv) DPRINT_EXIT(VMBUS); } -/** +/* * VmbusOnMsgDPC - DPC routine to handle messages from the hypervisior */ static void VmbusOnMsgDPC(struct hv_driver *drv) @@ -216,7 +216,7 @@ static void VmbusOnMsgDPC(struct hv_driver *drv) } } -/** +/* * VmbusOnEventDPC - DPC routine to handle events from the hypervisior */ static void VmbusOnEventDPC(struct hv_driver *drv) @@ -225,7 +225,7 @@ sta...

...+/* * VmbusOnCleanup - Perform any cleanup when the driver is removed */ static void VmbusOnCleanup(struct hv_driver *drv) @@ -168,7 +168,7 @@ static void VmbusOnCleanup(struct hv_driver *drv) DPRINT_EXIT(VMBUS); } -/** +/* * VmbusOnMsgDPC - DPC routine to handle messages from the hypervisior */ static void VmbusOnMsgDPC(struct hv_driver *drv) @@ -216,7 +216,7 @@ static void VmbusOnMsgDPC(struct hv_driver *drv) } } -/** +/* * VmbusOnEventDPC - DPC routine to handle events from the hypervisior */ static void VmbusOnEventDPC(struct hv_driver *drv) @@ -225,7 +225,7 @@ sta...

...anup(struct hv_driver *drv) +static void vmbus_cleanup(struct driver_context *drv) { /* struct vmbus_driver *driver = (struct vmbus_driver *)drv; */ @@ -221,7 +221,7 @@ static void vmbus_onmessage_work(struct work_struct *work) /* * vmbus_on_msg_dpc - DPC routine to handle messages from the hypervisior */ -static void vmbus_on_msg_dpc(struct hv_driver *drv) +static void vmbus_on_msg_dpc(struct driver_context *drv) { int cpu = smp_processor_id(); void *page_addr = hv_context.synic_message_page[cpu]; @@ -267,7 +267,7 @@ static void vmbus_on_msg_dpc(struct hv_driver *drv) /* * vmbus_on_isr...

...anup(struct hv_driver *drv) +static void vmbus_cleanup(struct driver_context *drv) { /* struct vmbus_driver *driver = (struct vmbus_driver *)drv; */ @@ -221,7 +221,7 @@ static void vmbus_onmessage_work(struct work_struct *work) /* * vmbus_on_msg_dpc - DPC routine to handle messages from the hypervisior */ -static void vmbus_on_msg_dpc(struct hv_driver *drv) +static void vmbus_on_msg_dpc(struct driver_context *drv) { int cpu = smp_processor_id(); void *page_addr = hv_context.synic_message_page[cpu]; @@ -267,7 +267,7 @@ static void vmbus_on_msg_dpc(struct hv_driver *drv) /* * vmbus_on_isr...

...+/* * VmbusOnCleanup - Perform any cleanup when the driver is removed */ static void VmbusOnCleanup(struct hv_driver *drv) @@ -168,7 +168,7 @@ static void VmbusOnCleanup(struct hv_driver *drv) DPRINT_EXIT(VMBUS); } -/** +/* * VmbusOnMsgDPC - DPC routine to handle messages from the hypervisior */ static void VmbusOnMsgDPC(struct hv_driver *drv) @@ -216,7 +216,7 @@ static void VmbusOnMsgDPC(struct hv_driver *drv) } } -/** +/* * VmbusOnEventDPC - DPC routine to handle events from the hypervisior */ static void VmbusOnEventDPC(struct hv_driver *drv) @@ -225,7 +225,7 @@ sta...

...+/* * VmbusOnCleanup - Perform any cleanup when the driver is removed */ static void VmbusOnCleanup(struct hv_driver *drv) @@ -168,7 +168,7 @@ static void VmbusOnCleanup(struct hv_driver *drv) DPRINT_EXIT(VMBUS); } -/** +/* * VmbusOnMsgDPC - DPC routine to handle messages from the hypervisior */ static void VmbusOnMsgDPC(struct hv_driver *drv) @@ -216,7 +216,7 @@ static void VmbusOnMsgDPC(struct hv_driver *drv) } } -/** +/* * VmbusOnEventDPC - DPC routine to handle events from the hypervisior */ static void VmbusOnEventDPC(struct hv_driver *drv) @@ -225,7 +225,7 @@ sta...

...(struct driver_context *drv) +static void vmbus_cleanup(struct hyperv_driver *drv) { /* struct vmbus_driver *driver = (struct vmbus_driver *)drv; */ @@ -221,7 +221,7 @@ static void vmbus_onmessage_work(struct work_struct *work) /* * vmbus_on_msg_dpc - DPC routine to handle messages from the hypervisior */ -static void vmbus_on_msg_dpc(struct driver_context *drv) +static void vmbus_on_msg_dpc(struct hyperv_driver *drv) { int cpu = smp_processor_id(); void *page_addr = hv_context.synic_message_page[cpu]; @@ -267,7 +267,7 @@ static void vmbus_on_msg_dpc(struct driver_context *drv) /* * vmb...

...(struct driver_context *drv) +static void vmbus_cleanup(struct hyperv_driver *drv) { /* struct vmbus_driver *driver = (struct vmbus_driver *)drv; */ @@ -221,7 +221,7 @@ static void vmbus_onmessage_work(struct work_struct *work) /* * vmbus_on_msg_dpc - DPC routine to handle messages from the hypervisior */ -static void vmbus_on_msg_dpc(struct driver_context *drv) +static void vmbus_on_msg_dpc(struct hyperv_driver *drv) { int cpu = smp_processor_id(); void *page_addr = hv_context.synic_message_page[cpu]; @@ -267,7 +267,7 @@ static void vmbus_on_msg_dpc(struct driver_context *drv) /* * vmb...

Further cleanup of the hv drivers. 1) Cleanup reference counting. 2) Handle all block devices using the storvsc driver. I have modified the implementation here based on Christoph's feedback on my earlier implementation. 3) Fix bugs. 4) Accomodate some host side scsi emulation bugs. 5) In case of scsi errors off-line the device. This patch-set further reduces the size of

Further cleanup of the hv drivers. 1) Cleanup reference counting. 2) Handle all block devices using the storvsc driver. I have modified the implementation here based on Christoph's feedback on my earlier implementation. 3) Fix bugs. 4) Accomodate some host side scsi emulation bugs. 5) In case of scsi errors off-line the device. This patch-set further reduces the size of

...eanup(struct hv_driver *drv) +static void vmbus_cleanup(struct hyperv_driver *drv) { /* struct vmbus_driver *driver = (struct vmbus_driver *)drv; */ @@ -221,7 +220,7 @@ static void vmbus_onmessage_work(struct work_struct *work) /* * vmbus_on_msg_dpc - DPC routine to handle messages from the hypervisior */ -static void vmbus_on_msg_dpc(struct hv_driver *drv) +static void vmbus_on_msg_dpc(struct hyperv_driver *drv) { int cpu = smp_processor_id(); void *page_addr = hv_context.synic_message_page[cpu]; @@ -267,7 +266,7 @@ static void vmbus_on_msg_dpc(struct hv_driver *drv) /* * vmbus_on_isr...

...eanup(struct hv_driver *drv) +static void vmbus_cleanup(struct hyperv_driver *drv) { /* struct vmbus_driver *driver = (struct vmbus_driver *)drv; */ @@ -221,7 +220,7 @@ static void vmbus_onmessage_work(struct work_struct *work) /* * vmbus_on_msg_dpc - DPC routine to handle messages from the hypervisior */ -static void vmbus_on_msg_dpc(struct hv_driver *drv) +static void vmbus_on_msg_dpc(struct hyperv_driver *drv) { int cpu = smp_processor_id(); void *page_addr = hv_context.synic_message_page[cpu]; @@ -267,7 +266,7 @@ static void vmbus_on_msg_dpc(struct hv_driver *drv) /* * vmbus_on_isr...

Unlike full virtualization in which the virtual machine provides the same platform interface as running natively on the hardware, paravirtualization requires modification to the guest operating system to work with the platform interface provided by the hypervisor. Xen was designed with performance in mind. Calls to the hypervisor are minimized, batched if necessary, and non-critical codepaths