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[Tyler Hicks <tyhicks@xxxxxxxxxxxxx>]

The Xenial 4.4 kernel was fixed in 4.4.0-127.153:

  https://launchpad.net/ubuntu/+source/linux/4.4.0-127.153

** Changed in: linux (Ubuntu Xenial)
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1760099

Title:
  Additional spectre and meltdown patches

Status in The Ubuntu-power-systems project:
  In Progress
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Trusty:
  Triaged
Status in linux source package in Xenial:
  Fix Released
Status in linux source package in Artful:
  Triaged
Status in linux source package in Bionic:
  Fix Released

Bug description:
  == Comment: #0 - Breno Leitao <brenohl@xxxxxxxxxx> - 2018-03-29 08:53:56 ==
  Hi Canonical,

  There are some additional patches for Spectre and Meltdown that is
  required on ppc64el. We would need to have them included on all Ubuntu
  kernels.

  This is the patch series:

  [v2,10/10] powerpc/64s: Wire up cpu_show_spectre_v2()   [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown                                                                                        
  [v2,09/10] powerpc/64s: Wire up cpu_show_spectre_v1()   [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown
  [v2,08/10] powerpc/pseries: Use the security flags in pseries_setup_rfi_flush()         [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown
  [v2,07/10] powerpc/powernv: Use the security flags in pnv_setup_rfi_flush()     [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown
  [v2,06/10] powerpc/64s: Enhance the information in cpu_show_meltdown()  [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown
  [v2,05/10] powerpc/64s: Move cpu_show_meltdown()        [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown
  [v2,04/10] powerpc/powernv: Set or clear security feature flags         [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown
  [v2,03/10] powerpc/pseries: Set or clear security feature flags         [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown
  [v2,02/10] powerpc/pseries: Add new H_GET_CPU_CHARACTERISTICS flags     [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown 
  [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown     [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown     

  http://patchwork.ozlabs.org/project/linuxppc-
  dev/list/?series=36012&state=*

  == Comment: #1 - Breno Leitao <brenohl@xxxxxxxxxx> - 2018-03-29 08:55:48 ==
  This is a better formatted patch series list:

  [v2,10/10] powerpc/64s: Wire up cpu_show_spectre_v2()                                                                                                                                                              
  [v2,09/10] powerpc/64s: Wire up cpu_show_spectre_v1()   
  [v2,08/10] powerpc/pseries: Use the security flags in pseries_setup_rfi_flush()         
  [v2,07/10] powerpc/powernv: Use the security flags in pnv_setup_rfi_flus()      
  [v2,06/10] powerpc/64s: Enhance the information in cpu_show_meltdown()  
  [v2,05/10] powerpc/64s: Move cpu_show_meltdown()        
  [v2,04/10] powerpc/powernv: Set or clear security feature flags         
  [v2,03/10] powerpc/pseries: Set or clear security feature flags         
  [v2,02/10] powerpc/pseries: Add new H_GET_CPU_CHARACTERISTICS flags     
  [v2,01/10] powerpc: Add security feature flags for Spectre/Meltdown

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