Public bug reported: The following set of patches are needed for SR-IOV on larger VM sizes on Hyper-V, especially with more than 32 CPUs. Some of these patches were already pulled in as SAUCE for SR-IOV in Azure previously.
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux- next.git/commit/?id=22e2495b76dbe398540faf355a541b10faad33b9 Merge branch 'pci/host-hv' into next * pci/host-hv: PCI: hv: Allocate interrupt descriptors with GFP_ATOMIC PCI: hv: Specify CPU_AFFINITY_ALL for MSI affinity when >= 32 CPUs PCI: hv: Lock PCI bus on device eject PCI: hv: Properly handle PCI bus remove ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Changed in: linux (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1682665 Title: [Hyper-V] PCI passthrough fixes for 32 or more CPUs Status in linux package in Ubuntu: Confirmed Bug description: The following set of patches are needed for SR-IOV on larger VM sizes on Hyper-V, especially with more than 32 CPUs. Some of these patches were already pulled in as SAUCE for SR-IOV in Azure previously. https://git.kernel.org/pub/scm/linux/kernel/git/next/linux- next.git/commit/?id=22e2495b76dbe398540faf355a541b10faad33b9 Merge branch 'pci/host-hv' into next * pci/host-hv: PCI: hv: Allocate interrupt descriptors with GFP_ATOMIC PCI: hv: Specify CPU_AFFINITY_ALL for MSI affinity when >= 32 CPUs PCI: hv: Lock PCI bus on device eject PCI: hv: Properly handle PCI bus remove To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1682665/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
