Re: [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf"

2015-10-25 Thread Lan, Tianyu
On 10/25/2015 2:03 PM, Alexander Duyck wrote: On 10/24/2015 08:43 AM, Lan, Tianyu wrote: On 10/22/2015 4:52 AM, Alexander Duyck wrote: Also have you even considered the MSI-X configuration on the VF? I haven't seen anything anywhere that would have migrated the VF's MSI-X configuration

Re: [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf"

2015-10-25 Thread Alexander Duyck
On 10/24/2015 08:43 AM, Lan, Tianyu wrote: On 10/22/2015 4:52 AM, Alexander Duyck wrote: Also have you even considered the MSI-X configuration on the VF? I haven't seen anything anywhere that would have migrated the VF's MSI-X configuration from BAR 3 on one system to the new system. MSI-X

Re: [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf"

2015-10-24 Thread Lan, Tianyu
On 10/22/2015 4:52 AM, Alexander Duyck wrote: Also have you even considered the MSI-X configuration on the VF? I haven't seen anything anywhere that would have migrated the VF's MSI-X configuration from BAR 3 on one system to the new system. MSI-X migration is done by Hypervisor(Qemu).

Re: [Qemu-devel] [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf"

2015-10-22 Thread Michael S. Tsirkin
On Wed, Oct 21, 2015 at 01:52:48PM -0700, Alexander Duyck wrote: > Also have you even considered the MSI-X configuration on the VF? I haven't > seen anything anywhere that would have migrated the VF's MSI-X configuration > from BAR 3 on one system to the new system. Hypervisors do this for

Re: [RFC Patch 05/12] IXGBE: Add new sysfs interface of "notify_vf"

2015-10-21 Thread Alexander Duyck
On 10/21/2015 09:37 AM, Lan Tianyu wrote: This patch is to add new sysfs interface of "notify_vf" under sysfs directory of VF PCI device for Qemu to notify VF when migration status is changed. Signed-off-by: Lan Tianyu --- drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c