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

Kleber Souza kleber.souza at canonical.com
Fri Jul 27 14:40:45 UTC 2018


On 06/29/18 15:22, 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.
> 
> David Vrabel (1):
>   x86/kvm: fix LAPIC timer drift when guest uses periodic mode
> 
>  arch/x86/kvm/lapic.c | 16 ++++++++++++++--
>  1 file changed, 14 insertions(+), 2 deletions(-)
> 

Applied to bionic/master-next branch.

Thanks,
Kleber




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