Re: [PATCH v3 02/20] xen: introduce CONFIG_SYSCTL

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Mon, 21 Apr 2025, Penny Zheng wrote:
> From: Stefano Stabellini <stefano.stabellini@xxxxxxx>
> 
> We introduce a new Kconfig CONFIG_SYSCTL, which shall only be disabled
> on some dom0less systems, to reduce Xen footprint.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxx>
> Signed-off-by: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
> Signed-off-by: Penny Zheng <Penny.Zheng@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> ---
> v2 -> v3:
> - remove "intend to" in commit message
> ---
>  xen/common/Kconfig | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/xen/common/Kconfig b/xen/common/Kconfig
> index be28060716..d89e9ede77 100644
> --- a/xen/common/Kconfig
> +++ b/xen/common/Kconfig
> @@ -581,4 +581,15 @@ config BUDDY_ALLOCATOR_SIZE
>         Amount of memory reserved for the buddy allocator to serve Xen heap,
>         working alongside the colored one.
>  
> +menu "Supported hypercall interfaces"
> +     visible if EXPERT
> +
> +config SYSCTL
> +     bool "Enable sysctl hypercall"
> +     default y
> +     help
> +       This option shall only be disabled on some dom0less systems,
> +       to reduce Xen footprint.
> +endmenu
> +
>  endmenu
> -- 
> 2.34.1
>