summaryrefslogtreecommitdiffstats
path: root/src/intel
diff options
context:
space:
mode:
Diffstat (limited to 'src/intel')
-rw-r--r--src/intel/vulkan/anv_allocator.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/intel/vulkan/anv_allocator.c b/src/intel/vulkan/anv_allocator.c
index d7c09103344..385c63f9945 100644
--- a/src/intel/vulkan/anv_allocator.c
+++ b/src/intel/vulkan/anv_allocator.c
@@ -200,7 +200,6 @@ anv_free_list_push(union anv_free_list *list, void *map, int32_t offset)
#define PFL_COUNT(x) ((uintptr_t)(x) & 0xfff)
#define PFL_PTR(x) ((void *)((uintptr_t)(x) & ~0xfff))
#define PFL_PACK(ptr, count) ({ \
- assert(((uintptr_t)(ptr) & 0xfff) == 0); \
(void *)((uintptr_t)(ptr) | (uintptr_t)((count) & 0xfff)); \
})
@@ -230,6 +229,12 @@ anv_ptr_free_list_push(void **list, void *elem)
void *old, *current;
void **next_ptr = elem;
+ /* The pointer-based free list requires that the pointer be
+ * page-aligned. This is because we use the bottom 12 bits of the
+ * pointer to store a counter to solve the ABA concurrency problem.
+ */
+ assert(((uintptr_t)elem & 0xfff) == 0);
+
old = *list;
do {
current = old;