[PATCH] powerpc: Add KVM guest defconfig

[Michael Ellerman]

Satheesh Rajendran <sathnaga at linux.vnet.ibm.com> writes:
> On Mon, Nov 12, 2018 at 11:24:08PM +1100, Michael Ellerman wrote:
>> Satheesh Rajendran <sathnaga at linux.vnet.ibm.com> writes:
>> 
>> > On Thu, Nov 08, 2018 at 04:23:07PM -0200, Breno Leitao wrote:
>> >> hi Satheesh,
>> >> 
>> >> On 11/08/2018 03:08 AM, sathnaga at linux.vnet.ibm.com wrote:
>> >> > --- /dev/null
>> >> > +++ b/arch/powerpc/configs/guest.config
>> >> > @@ -0,0 +1,14 @@
>> >> > +CONFIG_VIRTIO_BLK=y
>> >> > +CONFIG_VIRTIO_BLK_SCSI=y
>> >> > +CONFIG_SCSI_VIRTIO=y
>> >> > +CONFIG_VIRTIO_NET=y
>> >> > +CONFIG_NET_FAILOVER=y
>> >> > +CONFIG_VIRTIO_CONSOLE=y
>> >> > +CONFIG_VIRTIO=y
>> >> > +CONFIG_VIRTIO_PCI=y
>> >> > +CONFIG_KVM_GUEST=y
>> >> > +CONFIG_EPAPR_PARAVIRT=y
>> >> > +CONFIG_XFS_FS=y
>> >> 
>> >> Why a guest kernel needs to have XFS integrated in the core image? I am
>> >> wondering if it is a requirement from another CONFIG_ option.
>> >
>> > Idea is to have a working config which would boot guest without initramfs,
>> > other FS(like EXT4) is already integrated in the core image, 
>> > thought this would be helpful for distributions, which default XFS as root disk.
>> 
>> Maybe we should switch XFS_FS to Y in ppc64_defconfig ?
>
> Sure, makes sense, will send it for ppc64_defconfig instead. 
> Inaddition, Have few more symbols to be enabled for cgroups,
> memhotplug,numa balancing.
> I guess these symbols can also go to ppc64_defconfig itself?.
>
> i.e,
>
> CONFIG_CGROUP_SCHED=y
> CONFIG_MEMCG=y
> CONFIG_CGROUP_SCHED=y
> CONFIG_CGROUP_FREEZER=y
> CONFIG_CGROUP_DEVICE=y
> CONFIG_CGROUP_CPUACCT=y
> CONFIG_CGROUP_PERF=y
> CONFIG_MEMORY_HOTPLUG=y
> CONFIG_MEMORY_HOTREMOVE=y
> CONFIG_NUMA_BALANCING=y

Yeah I don't see why not, they're probably more or less required by
modern distros.

cheers