[libvirt] [PATCH 2/7] qemu: Add qemuProcessVerifyCPU
Jiri Denemark
jdenemar at redhat.com
Thu Jul 13 07:46:11 UTC 2017
On Wed, Jul 12, 2017 at 15:14:20 +0200, Pavel Hrdina wrote:
> On Wed, Jul 12, 2017 at 02:56:48PM +0200, Jiri Denemark wrote:
> > Separated from qemuProcessUpdateLiveGuestCPU. The function makes sure
> > a guest CPU provides all features required by a domain definition.
> >
> > Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
> > ---
> > src/qemu/qemu_process.c | 35 ++++++++++++++++++++++++++++-------
> > 1 file changed, 28 insertions(+), 7 deletions(-)
> >
> > diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
> > index b2d27b6be..198f68d93 100644
> > --- a/src/qemu/qemu_process.c
> > +++ b/src/qemu/qemu_process.c
> > @@ -3986,6 +3986,31 @@ qemuProcessFetchGuestCPU(virQEMUDriverPtr driver,
> >
> >
> > static int
> > +qemuProcessVerifyCPU(virDomainObjPtr vm,
> > + virCPUDataPtr cpu)
> > +{
> > + virDomainDefPtr def = vm->def;
> > +
> > + if (!cpu)
> > + return 0;
> > +
> > + if (qemuProcessVerifyKVMFeatures(def, cpu) < 0 ||
> > + qemuProcessVerifyHypervFeatures(def, cpu) < 0)
> > + return -1;
> > +
> > + if (!def->cpu ||
> > + (def->cpu->mode == VIR_CPU_MODE_CUSTOM &&
> > + !def->cpu->model))
>
> This condition is now on two places, it would be worth to create a
> macro/function with some description why this specific condition.
Oh yeah, good idea. This condition is very likely repeated in a lot of
places which need to check whether the CPU def contains only topology
data. I'll try to come up with a good name for the function and make a
patch replacing all open coded conditions with it.
Jirka
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