[libvirt] [PATCH 09/23] cpu_x86: Disable blockers from unusable CPU models

[John Ferlan]

On 10/04/2017 10:58 AM, Jiri Denemark wrote:
> When decoding CPUID data to virCPUDef we need to be careful about using
> a CPU model which cannot be directly used on the current host. Normally,
> libvirt would notice the features which prevent the model from being
> usable and it would disable them in the computed virCPUDef, but this
> won't work in case the definition of the CPU model in QEMU contains more
> features than what we have in cpu_map.xml. We need to count with the
> usability blockers we got from QEMU and explicitly disable all of them
> to make the computed virCPUDef usable.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1464832
> 
> Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
> ---
>  src/cpu/cpu_x86.c | 23 ++++++++++++++++++++---
>  1 file changed, 20 insertions(+), 3 deletions(-)
> 

Reviewed-by: John Ferlan <jferlan at redhat.com>

John