ACK: [SRU][Bionic][Cosmic][PATCH 0/1] x86/kvm: fix LAPIC timer drift when guest uses periodic

Seth Forshee seth.forshee at canonical.com
Fri Jun 29 16:48:33 UTC 2018


On Fri, Jun 29, 2018 at 09:22:52AM -0400, Joseph Salisbury wrote:
> BugLink: http://bugs.launchpad.net/bugs/1778486
> 
> == SRU Justification ==
> This patch fixes a regression introduced by mainline commit
> 8003c9ae204e in v4.10.  Without this new patch, OpenBSD guests encounter 
> timing issues when running under bionic kernel.
> 
> See also:
> https://www.spinics.net/lists/kvm/msg161311.html
> 
> == Fix ==
> d8f2f498d9ed ("x86/kvm: fix LAPIC timer drift when guest uses periodic mode") 
> 
> == Regression Potential ==
> Low.  This fixes a current regression.
> 
> == Test Case ==
> A test kernel was built with this patch and tested by the original bug reporter.
> The bug reporter states the test kernel resolved the bug.

Acked-by: Seth Forshee <seth.forshee at canonical.com>

Note that unstable already has this commit as it went upstream in
4.17-rc7.




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