Re: [RFC PATCH v2 03/21] HostMem: Add private property and associate it with RAM_KVM_GMEM

[Markus Armbruster]

Xiaoyao Li <xiaoyao.li@intel.com> writes:

> From: Isaku Yamahata <isaku.yamahata@intel.com>
>
> Add a new property "private" to memory backends. When it's set to true,
> it indicates the RAMblock of the backend also requires kvm gmem.

Can you add a brief explanation why you need the property?

> Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
> Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>

[...]

> diff --git a/qapi/qom.json b/qapi/qom.json
> index fa3e88c8e6ab..d28c5403bc0f 100644
> --- a/qapi/qom.json
> +++ b/qapi/qom.json
> @@ -605,6 +605,9 @@
>  # @reserve: if true, reserve swap space (or huge pages) if applicable
>  #     (default: true) (since 6.1)
>  #
> +# @private: if true, use KVM gmem private memory (default: false)
> +#     (since 8.2)
> +#
>  # @size: size of the memory region in bytes
>  #
>  # @x-use-canonical-path-for-ramblock-id: if true, the canonical path
> @@ -631,6 +634,7 @@
>              '*prealloc-context': 'str',
>              '*share': 'bool',
>              '*reserve': 'bool',
> +            '*private': 'bool',
>              'size': 'size',
>              '*x-use-canonical-path-for-ramblock-id': 'bool' } }