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-rw-r--r--lib/efi_loader/efi_memory.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_memory.c b/lib/efi_loader/efi_memory.c
index 76dcaa48f4..386cf924fe 100644
--- a/lib/efi_loader/efi_memory.c
+++ b/lib/efi_loader/efi_memory.c
@@ -230,6 +230,7 @@ uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type,
struct efi_mem_list *newlist;
bool carve_again;
uint64_t carved_pages = 0;
+ struct efi_event *evt;
EFI_PRINT("%s: 0x%llx 0x%llx %d %s\n", __func__,
start, pages, memory_type, overlap_only_ram ? "yes" : "no");
@@ -315,6 +316,16 @@ uint64_t efi_add_memory_map(uint64_t start, uint64_t pages, int memory_type,
/* And make sure memory is listed in descending order */
efi_mem_sort();
+ /* Notify that the memory map was changed */
+ list_for_each_entry(evt, &efi_events, link) {
+ if (evt->group &&
+ !guidcmp(evt->group,
+ &efi_guid_event_group_memory_map_change)) {
+ efi_signal_event(evt, false);
+ break;
+ }
+ }
+
return start;
}