This bug was fixed in the package linux - 4.10.0-35.39

---------------
linux (4.10.0-35.39) zesty; urgency=low

  * linux: 4.10.0-35.39 -proposed tracker (LP: #1716606)

  * kernel panic -not syncing: Fatal exception: panic_on_oops (LP: #1708399)
    - SAUCE: s390/mm: fix local TLB flushing vs. detach of an mm address space
    - SAUCE: s390/mm: fix race on mm->context.flush_mm

  * CVE-2017-1000251
    - Bluetooth: Properly check L2CAP config option output buffer length

linux (4.10.0-34.38) zesty; urgency=low

  * linux: 4.10.0-34.38 -proposed tracker (LP: #1713470)

  * Ubuntu 16.04.03: perf tool does not count pm_run_inst_cmpl with rcode on
    POWER9 DD2.0 (LP: #1709964)
    - powerpc/perf: Fix Power9 test_adder fields

  * HID: multitouch: Support ALPS PTP Stick and Touchpad devices (LP: #1712481)
    - HID: multitouch: Support PTP Stick and Touchpad device
    - SAUCE: HID: multitouch: Support ALPS PTP stick with pid 0x120A

  * igb: Support using Broadcom 54616 as PHY (LP: #1712024)
    - SAUCE: igb: add support for using Broadcom 54616 as PHY

  * RPT related fixes missing in Ubuntu 16.04.3 (LP: #1709220)
    - powerpc/mm/radix: Optimise tlbiel flush all case
    - powerpc/mm/radix: Improve _tlbiel_pid to be usable for PWC flushes
    - powerpc/mm/radix: Improve TLB/PWC flushes
    - powerpc/mm/radix: Avoid flushing the PWC on every flush_tlb_range

  * AMD RV platforms with SNPS 3.1 USB controller stop responding (S3 issue)
    (LP: #1711098)
    - usb: xhci: Issue stop EP command only when the EP state is running

  * dma-buf: performance issue when looking up the fence status (LP: #1711096)
    - dma-buf: avoid scheduling on fence status query v2

  * IPR driver causes multipath to fail paths/stuck IO on Medium Errors
    (LP: #1682644)
    - scsi: ipr: do not set DID_PASSTHROUGH on CHECK CONDITION

  * Disable CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE (LP: #1709171)
    - [Config] CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=n for ppc64el

  * memory-hotplug test needs to be fixed (LP: #1710868)
    - selftests: typo correction for memory-hotplug test
    - selftests: check hot-pluggagble memory for memory-hotplug test
    - selftests: check percentage range for memory-hotplug test
    - selftests: add missing test name in memory-hotplug test
    - selftests: fix memory-hotplug test

  * Ubuntu 16.04.3: Qemu fails on P9 (LP: #1686019)
    - KVM: PPC: Pass kvm* to kvmppc_find_table()
    - KVM: PPC: Use preregistered memory API to access TCE list
    - KVM: PPC: VFIO: Add in-kernel acceleration for VFIO
    - powerpc/powernv/iommu: Add real mode version of 
iommu_table_ops::exchange()
    - powerpc/powernv/ioda2: Update iommu table base on ownership change
    - powerpc/iommu/vfio_spapr_tce: Cleanup iommu_table disposal
    - powerpc/vfio_spapr_tce: Add reference counting to iommu_table
    - powerpc/mmu: Add real mode support for IOMMU preregistered memory
    - KVM: PPC: Reserve KVM_CAP_SPAPR_TCE_VFIO capability number
    - KVM: PPC: Book3S HV: Add radix checks in real-mode hypercall handlers

  * [SRU][Zesty] [QDF2400] pl011 E44 erratum patch needed for 2.0 firmware and
    1.1 silicon (LP: #1709123)
    - tty: pl011: fix initialization order of QDF2400 E44

  * Docker hangs with xfs using aufs storage driver (LP: #1709749)
    - SAUCE: aufs: for v4.5, use vfs_clone_file_range() in copy-up
    - SAUCE: aufs: bugfix, for v4.10, copy-up on XFS branch

  * ACPI ID for Hip07/08 I2C controller has typo (LP: #1711182)
    - ACPI: APD: Fix HID for Hisilicon Hip07/08

  * Avoid spurious PMU interrupts after idle (LP: #1709352)
    - powerpc/perf: Avoid spurious PMU interrupts after idle

  * [SRU][ZESTY]kernel BUG at
    /build/linux-H5UzH8/linux-4.10.0/drivers/nvme/host/pci.c:567! (LP: #1709073)
    - block: fix bio_will_gap() for first bvec with offset

  * CVE-2017-7541
    - brcmfmac: fix possible buffer overflow in brcmf_cfg80211_mgmt_tx()

  * sort ABI files with C.UTF-8 locale (LP: #1712345)
    - [Packaging] sort ABI files with C.UTF-8 locale

  * Please only recommend or suggest initramfs-tools | linux-initramfs-tool for
    kernels able to boot without initramfs (LP: #1700972)
    - [Debian] Don't depend on initramfs-tools

 -- Juerg Haefliger <juerg.haefli...@canonical.com>  Wed, 13 Sep 2017
08:15:17 +0200

** Changed in: linux (Ubuntu Zesty)
       Status: Fix Committed => Fix Released

** CVE added: https://cve.mitre.org/cgi-
bin/cvename.cgi?name=2017-1000251

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-7541

-- 
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1709220

Title:
  RPT related fixes missing in Ubuntu 16.04.3

Status in The Ubuntu-power-systems project:
  In Progress
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Zesty:
  Fix Released

Bug description:
  == SRU Justification ==
  These four commits are Radix performance patches specific to powerpc.  

  The patches are reported to help anywhere from 40% up to 3.5X on
  unixbench fork/exec testcases.

  The first patch was included in mainlne as of 4.12-rc1.  The last three 
patches are
  still in linux-next.


  ---Problem Description---

  The following patches are missing in the ubuntu 16.04.3 kernel

  https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156104.html

  https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/156105.html

  https://lists.ozlabs.org/pipermail/linuxppc-dev/2017-April/157130.html

  ---uname output---

  4.10.0-29-generic #33~16.04.1-Ubuntu SMP Tue Jul 25 18:17:06 UTC 2017
  ppc64le ppc64le ppc64le GNU/Linux

  Machine Type = power9

  ---Steps to Reproduce---

  Did a fork and exec benchmark to look at the performance and they
  pointed to radix routines.

  Upstream commits mentioned:

  commit  f7327e0ba3805470cced2acfa053e795362ee41d

  powerpc/mm/radix: Remove unnecessary ptesync

  commit  f6b0df55cad252fedd60aa2ba75a0207d0006283

  powerpc/mm/radix: Don't do page walk cache flush when doing full mm
  flush

  commit  a5998fcb92552a18713b6aa5c146aa400e4d75ee

  powerpc/mm/radix: Optimise tlbiel flush all case

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