Re: [PATCH v2 0/7] KVM: Hyper-V SynIC timers migration fixes

[Paolo Bonzini <pbonzini@redhat.com>]

On 28/12/2015 16:27, 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.
> 
> Changes v2:
> * fix incorrect logical operation for one-shot timers
> * drop stimer->count == 0 inside stimer_start()
> * comment stimer_start() assumtions
> 
> Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
> Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
> CC: Gleb Natapov <gleb@kernel.org>
> CC: Paolo Bonzini <pbonzini@redhat.com>
> CC: Roman Kagan <rkagan@virtuozzo.com>
> CC: Denis V. Lunev <den@openvz.org>
> CC: qemu-devel@nongnu.org
> 
> Andrey Smetanin (7):
>   kvm/x86: Hyper-V timers fix incorrect logical operation
>   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 | 119 ++++++++++++++++++++++++--------------------------
>  arch/x86/kvm/x86.c    |   6 +++
>  2 files changed, 63 insertions(+), 62 deletions(-)
> 


Applied this instead of v1. :)

Paolo