Add MSI-X driver for APM PCI bus

[Ike Panhc]

To reduce interrupt overhead and improve network performance for 10G or faster networking

[Brad Figg (brad-figg)]

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1318977

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Luis Henriques (henrix)]

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-trusty' to 'verification-done-trusty'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

[Ike Panhc (ikepanhc)]

The -proposed kernel have less interrupts from NIC as expect.

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 3.13.0-29.53

---------------
linux (3.13.0-29.53) trusty; urgency=low

  [ Upstream Kernel Changes ]

  * futex-prevent-requeue-pi-on-same-futex.patch futex: Forbid uaddr ==
    uaddr2 in futex_requeue(..., requeue_pi=1)
    - LP: #1326367
    - CVE-2014-3153
  * futex: Validate atomic acquisition in futex_lock_pi_atomic()
    - LP: #1326367
    - CVE-2014-3153
  * futex: Always cleanup owner tid in unlock_pi
    - LP: #1326367
    - CVE-2014-3153
  * futex: Make lookup_pi_state more robust
    - LP: #1326367
    - CVE-2014-3153
 -- Brad Figg <email address hidden> Wed, 04 Jun 2014 08:25:41 -0700

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 3.16.0-21.28

---------------
linux (3.16.0-21.28) utopic; urgency=low

  [ Andy Whitcroft ]

  * [Config] linux-image-extra is additive to linux-image
    - LP: #1375310
  * [Config] linux-image-extra postrm is not needed on purge

  [ dann frazier ]

  * [Config] run updateconfigs after adding arm64 PCI support
  * SAUCE: (no-up) Fix pcie-xgene build failure

  [ Ming Lei ]

  * SAUCE: (no-up) apm: pcie: fix hang when no card connected

  [ Tanmay Inamdar ]

  * SAUCE: (no-up) arm64: PCI(e) arch support
  * SAUCE: (no-up) pci: APM X-Gene PCIe controller driver
  * SAUCE: (no-up) arm64: dts: APM X-Gene PCIe device tree nodes
  * SAUCE: (no-up) dt-bindings: pci: xgene pcie device tree bindings
  * SAUCE: (no-up) MAINTAINERS: entry for APM X-Gene PCIe host driver
  * SAUCE: (no-up) Add MSI/MSI-X driver for APM PCI bus
    - LP: #1318977

  [ Tim Gardner ]

  * rebase to v3.16.4
  * Release Tracking Bug
    - LP: #1377905

  [ Tuan Phan ]

  * SAUCE: (no-up) pci-xgene-msi: fixed deadlock in irq_set_affinity
    - LP: #1359514

  [ Upstream Kernel Changes ]

  * drm/nouveau: make sure display hardware is reinitialised on runtime
    resume
    - LP: #1374607

  [ Upstream Kernel Changes ]

  * rebase to v3.16.4
 -- Tim Gardner <email address hidden> Fri, 03 Oct 2014 12:10:48 -0400