[Kernel-packages] [Bug 1611210] Re: [Feature] RDTSC scaling enabling

2016-10-19 Thread XiongZhang
** Changed in: xen (Ubuntu)
   Status: New => Fix Released

** Changed in: intel
   Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1611210

Title:
  [Feature] RDTSC scaling enabling

Status in intel:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in xen package in Ubuntu:
  Fix Released

Bug description:
  RDTSC scaling is a new virtualization feature that applies a scaling
  function to the result of the RDTSC and RDTSCP instructions. The
  purpose of doing so is to avoid the need to VMexit on these
  instructions in order to maintain the appearance of a consistent TSC
  rate while in a VM, even though the underlying hardware is counting at
  a differing TSC rate.

  HW: Purley

  Upstream status:
  KVM: 4.4 kernel
  Xen: 4.7

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[Kernel-packages] [Bug 1611210] Re: [Feature] RDTSC scaling enabling

2016-09-21 Thread Leann Ogasawara
The v4.8 based kernel has been uploaded to the Yakkety 16.10 archive.
I'm setting the linux kernel task to Fix Released.

The Xen update to v4.7 is being tracked in bug
https://bugs.launchpad.net/ubuntu/+source/xen/+bug/1621618.

** Also affects: linux (Ubuntu)
   Importance: Undecided
   Status: New

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

-- 
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/1611210

Title:
  [Feature] RDTSC scaling enabling

Status in intel:
  New
Status in linux package in Ubuntu:
  Fix Released
Status in xen package in Ubuntu:
  New

Bug description:
  RDTSC scaling is a new virtualization feature that applies a scaling
  function to the result of the RDTSC and RDTSCP instructions. The
  purpose of doing so is to avoid the need to VMexit on these
  instructions in order to maintain the appearance of a consistent TSC
  rate while in a VM, even though the underlying hardware is counting at
  a differing TSC rate.

  HW: Purley

  Upstream status:
  KVM: 4.4 kernel
  Xen: 4.7

To manage notifications about this bug go to:
https://bugs.launchpad.net/intel/+bug/1611210/+subscriptions

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