[PATCH v2 04/14] lib: Kconfig: add a config symbol for getting lmb memory map updates

[Ilias Apalodimas]

Hi Sughosh

On Tue, 8 Oct 2024 at 21:15, Sughosh Ganu <sughosh.ganu at linaro.org> wrote:
>
> Add a Kconfig symbol to enable getting updates on any memory map
> changes that might be done by the LMB module. This notification
> mechanism can then be used to have a synchronous view of allocated and
> free memory.
>

Are there size concerns to enable or disable this? I think we should
always sync and get rid of this

Thanks
/Ilias
> Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>
> ---
> Changes since V1:
> * Add a config for SPL stage
>
>  lib/Kconfig | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
>
> diff --git a/lib/Kconfig b/lib/Kconfig
> index 1dd4f271595..61452f7ac94 100644
> --- a/lib/Kconfig
> +++ b/lib/Kconfig
> @@ -75,6 +75,23 @@ config LIB_UUID
>         bool
>         select SHA1
>
> +config MEM_MAP_UPDATE_NOTIFY
> +       bool "Get notified of any changes to the LMB memory map"
> +       default y if EFI_LOADER
> +       help
> +         Enable this option to get notification on any changes to the
> +         memory that is allocated or freed by the LMB module. This will
> +         allow different modules that allocate memory or maintain a memory
> +         map to have a synchronous view of available and allocated memory.
> +
> +config SPL_MEM_MAP_UPDATE_NOTIFY
> +       bool "Get notified of any changes to the LMB memory map in SPL"
> +       help
> +         Enable this option to get notification on any changes to the
> +         memory that is allocated or freed by the LMB module. This will
> +         allow different modules that allocate memory or maintain a memory
> +         map to have a synchronous view of available and allocated memory.
> +
>  config RANDOM_UUID
>         bool "GPT Random UUID generation"
>         select LIB_UUID
> --
> 2.34.1
>