Re: [Xen-devel] [PATCH 1/2] xen: expand BALLOON_MEMORY_HOTPLUG description

[Jürgen Groß <jgross@xxxxxxxx>]

On 24.03.20 16:00, Roger Pau Monne wrote:
> To mention it's also useful for PVH or HVM domains that require
> mapping foreign memory or grants.
>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> ---
> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Cc: Juergen Gross <jgross@xxxxxxxx>
> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> ---
>   drivers/xen/Kconfig | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
> index 61212fc7f0c7..57ddd6f4b729 100644
> --- a/drivers/xen/Kconfig
> +++ b/drivers/xen/Kconfig
> @@ -19,6 +19,10 @@ config XEN_BALLOON_MEMORY_HOTPLUG
>           It is very useful on critical systems which require long
>           run without rebooting.
>   
> +	  It's also very useful for translated domains (PVH or HVM) to obtain
I'd rather say "(non PV)" or "(PVH, HVM or Arm)".

> +         unpopulated physical memory ranges to use in order to map foreign
> +         memory or grants.
> +
>           Memory could be hotplugged in following steps:
>   
>   	    1) target domain: ensure that memory auto online policy is in
With that:

Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen