Re: [PATCH] Enhance kvmconfig

[Borislav Petkov]

On Sat, Apr 23, 2016 at 06:51:49PM +0300, Andrey Utkin wrote:
> This was tested only on Hetzner CX10 VPS.
> I don't know how recent KVM server stuff they use.
> Tests & reports from anybody else are appreciated.
> I guess some of added options may be not strictly necessary or make not
> that lot of sense as enabled by default, feel free to ask me to drop some
> and test how it works.
> Thanks.
> ---8<---
> "make defconfig kvmconfig" is supposed to end up with usable kernel for
> KVM guest. In practice, it won't work for e.g. Hetzner VPS (KVM-based)
> unless you add these options.
> 
> Signed-off-by: Andrey Utkin <andrey_utkin@xxxxxxxxxxxx>
> ---
>  arch/x86/configs/kvm_guest.config | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/x86/configs/kvm_guest.config b/arch/x86/configs/kvm_guest.config
> index f9affcc..ec35f28 100644
> --- a/arch/x86/configs/kvm_guest.config
> +++ b/arch/x86/configs/kvm_guest.config
> @@ -26,3 +26,11 @@ CONFIG_VIRTIO_NET=y
>  CONFIG_9P_FS=y
>  CONFIG_NET_9P=y
>  CONFIG_NET_9P_VIRTIO=y
> +CONFIG_MEMORY_BALLOON=y
> +CONFIG_BALLOON_COMPACTION=y

So why would a kvm guest need the ballooning thing? My guests work just
fine without it.

-- 
Regards/Gruss,
    Boris.

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