[Intrepid] SRU Include backport of vmware stable TSC patchset
Tim Gardner
tim.gardner at canonical.com
Tue Feb 3 13:26:53 UTC 2009
Stefan Bader wrote:
>
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/319945
>
> This is the port to Jaunty of those patches.
>
> SRU justification:
>
> Impact: Timekeeping relies on TSC which is always stable in the virtualized
> vmware environment. But the code to detect TSC as a stable clocksource
> fails.
> Together with the possibility of the acpi_pm timer to wrap around while not
> scheduled, this can cause several second clocksews.
>
> Fix: This patch series was backported to Intrepid and will get included
> with
> 2.6.29rc3. The changes do not look like they could cause regressions.
> However
> they require an ABI bump for adding elements to per_cpu__cpu_info and
> boot_cpu_data.
>
> Stefan
>
>
>
applied
--
Tim Gardner tim.gardner at canonical.com
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