[libvirt] [PATCHv3] Add invariant TSC cpu flag

[Daniel P. Berrange]

On Mon, Jun 02, 2014 at 02:17:05PM -0600, Eric Blake wrote:
> On 05/15/2014 02:31 AM, Ján Tomko wrote:
> > Add suport for invariant TSC flag (CPUID 0x80000007, bit 8 of EDX).
> > If this flag is enabled, the TSC ticks at a constant rate across
> > all ACPI P-, C- and T-states.
> > 
> > This can be enabled by adding:
> > <feature name='invtsc'/>
> > to the <cpu> element.
> > 
> > Migration and saving the domain does not work with this flag.
> > 
> > QEMU support for this is not merged yet:
> > https://lists.gnu.org/archive/html/qemu-devel/2014-04/msg05024.html
> 
> In spite of Dan's ack, let's wait until it actually lands in qemu.git
> before you push this.

Doh, sorry, I missed that it wasn't merged in QEMU yet when going
through old patches with no replies.


Regards,
Daniel
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