On 23/12/2015 12:28, Andrey Smetanin wrote:
> During testing of Windows 2012R2 guest migration with
> Hyper-V SynIC timers enabled we found several bugs
> which lead to restoring guest in a hung state.
> 
> This patch series provides several fixes to make the
> migration of guest with Hyper-V SynIC timers enabled
> succeed.
> 
> The series applies on top of
> 'kvm/x86: Remove Hyper-V SynIC timer stopping'
> previously sent.
> 
> Signed-off-by: Andrey Smetanin <asmeta...@virtuozzo.com>
> Reviewed-by: Roman Kagan <rka...@virtuozzo.com>
> CC: Gleb Natapov <g...@kernel.org>
> CC: Paolo Bonzini <pbonz...@redhat.com>
> CC: Roman Kagan <rka...@virtuozzo.com>
> CC: Denis V. Lunev <d...@openvz.org>
> CC: qemu-de...@nongnu.org
> 
> Andrey Smetanin (6):
>   kvm/x86: Drop stimer_stop() function
>   kvm/x86: Hyper-V unify stimer_start() and stimer_restart()
>   kvm/x86: Reorg stimer_expiration() to better control timer restart
>   kvm/x86: Hyper-V fix SynIC timer disabling condition
>   kvm/x86: Skip SynIC vector check for QEMU side
>   kvm/x86: Update SynIC timers on guest entry only
> 
>  arch/x86/kvm/hyperv.c | 112 
> +++++++++++++++++++++++---------------------------
>  arch/x86/kvm/x86.c    |   6 +++
>  2 files changed, 58 insertions(+), 60 deletions(-)
> 

Applied, let me know if I should fix up patch 3 (the bug is preexisting
anyway, if it is a bug as I suspect).

Paolo
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