regions_mm: Invalidate cache when freeing memory

A memory region may be allocated to a different core than before, and performing a writeback by the cache may corrupt the current data. Signed-off-by: Adrian Warecki <[email protected]>
thesofproject · Jun 25, 2024 · 74304e1 · 74304e1
1 parent 400bcd5
commit 74304e1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/zephyr/lib/regions_mm.c b/zephyr/lib/regions_mm.c
@@ -617,8 +617,10 @@ int vmh_free(struct vmh_heap *heap, void *ptr)
 	if (retval)
 		return retval;
 
+	sys_cache_data_invd_range(ptr, size_to_free);
 	return vmh_unmap_region(heap->physical_blocks_allocators[mem_block_iter], ptr,
 				size_to_free);
+
 }
 
 /**