This bug was fixed in the package linux-azure - 4.18.0-1023.24~18.04.1
---------------
linux-azure (4.18.0-1023.24~18.04.1) bionic; urgency=medium
* linux-azure: 4.18.0-1023.24~18.04.1 -proposed tracker (LP: #1833945)
[ Ubuntu: 4.18.0-1023.24 ]
* linux-azure: 4.18.0-1023.24 -proposed tracker (LP: #1833946)
* [linux-azure] XDP generic fixes (LP: #1831254)
- netvsc: unshare skb in VF rx handler
- net: convert rps_needed and rfs_needed to new static
- net: core: support XDP generic on stacked devices.
* Enable eBPF JIT in the linux-azure kernels (LP: #1827916)
- [Config] linux-azure: CONFIG_MLX{4,5}_INFINIBAND=m
* Azure: Backport vIOMMU driver (increase vCPU limits) (LP: #1826447)
- PCI: hv: Replace hv_vp_set with hv_vpset
- PCI: hv: Refactor hv_irq_unmask() to use cpumask_to_vpset()
- x86/Hyper-V: Set x2apic destination mode to physical when x2apic is
available
- iommu/hyper-v: Add Hyper-V stub IOMMU driver
- [Config] linux-azure: CONFIG_HYPERV_IOMMU=y
* [linux-azure] Please Include Mainline Commit ebaf39e6032f in the 16.04 and
18.04 linux-azure kernels (LP: #1830266)
- ipv4: ipv6: netfilter: Adjust the frag mem limit when truesize changes
* [Packaging] Improve config annotations check on custom kernels
(LP: #1820075)
- [Config] linux-azure: Include custom annotations files
* linux: 4.18.0-25.26 -proposed tracker (LP: #1833952)
* CVE-2019-11479
- SAUCE: tcp: add tcp_min_snd_mss sysctl
- SAUCE: tcp: enforce tcp_min_snd_mss in tcp_mtu_probing()
* Remote denial of service (resource exhaustion) caused by TCP SACK scoreboard
manipulation (LP: #1831638) // CVE-2019-11478
- tcp: refine memory limit test in tcp_fragment()
* CVE-2019-12817
- SAUCE: powerpc/mm/64s/hash: Reallocate context ids on fork
-- Marcelo Henrique Cerri <[email protected]> Tue, 25 Jun
2019 11:42:46 -0300
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1826447
Title:
Azure: Backport vIOMMU driver (increase vCPU limits)
Status in linux-azure package in Ubuntu:
Fix Released
Status in linux-azure source package in Cosmic:
Fix Released
Status in linux-azure source package in Disco:
Confirmed
Bug description:
Description:
To support VM instances with >255 vCPUS, we need the patch set below
backported to the Azure 4.18 kernel. These patches include -
- New Hyper-V IOMMU driver. This driver will be Hyper-V specific.
- Minor update to the Hyper-V specific virtual PCI code. Need to expand the
size of an array to allow for a larger number of vCPUs.
There are very large VM instance sizes coming to Azure in 2019, and
Ubuntu will require the following patches in order to function
properly:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-
next.git/commit/?id=29217a4746835fef35279abbd12c1a1efe83bfca
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-
next.git/commit/?id=84fdfafab849036b5aefa52824b5cb42e887ef0e
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-
next.git/commit/?id=c8ccf7599ddac5fa48e06104c44b24709e21eed5
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/controller
/pci-hyperv.c?id=9bc1174280ddf7693e8c29a8f1743809e987ac37
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