[libvirt] [PATCHv2 7/8] qemu: Add support for paravirtual spinlocks in the guest

[Daniel P. Berrange]

On Thu, Oct 17, 2013 at 03:10:21PM +0200, Peter Krempa wrote:
> The linux kernel recently added support for paravirtual spinlock
> handling to avoid performance regressions on overcomitted hosts. This
> feature needs to be turned in the hypervisor so that the guest OS is
> notified about the possible support.
> 
> This patch adds a new feature "paravirt-spinlock" to the XML and
> supporting code to enable the "kvm_pv_unhalt" pseudo CPU feature in
> qemu.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1008989
> ---
> 
> Notes:
>     Version 2:
>     - s/paravirt-spinlock/pvspinlock/

ACK

Daniel
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