On 9/5/24 10:28, Sughosh Ganu 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.
Signed-off-by: Sughosh Ganu <sughosh.g...@linaro.org>
---
lib/Kconfig | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/lib/Kconfig b/lib/Kconfig
index 5f282ecb54..2e73cda580 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -74,6 +74,17 @@ config HAVE_PRIVATE_LIBGCC
config LIB_UUID
bool
+config MEM_MAP_UPDATE_NOTIFY
+ bool "Get notified of any changes to the LMB memory map"
+ depends on LMB && EFI_LOADER
+ select EVENT
+ default y
+ 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.
We should have only one store for all LMB allocations. They should not
be duplicated in the EFI sub-system.
The event is only needed to notify EFI_EVENT_GROUP_MEMORY_MAP_CHANGE.
Best regards
Heinrich
+
config RANDOM_UUID
bool "GPT Random UUID generation"
select LIB_UUID