summaryrefslogtreecommitdiffstats
path: root/tools/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'tools/include/linux')
-rw-r--r--tools/include/linux/filter.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/include/linux/filter.h b/tools/include/linux/filter.h
index e870c9039f0d..7211ce9fba53 100644
--- a/tools/include/linux/filter.h
+++ b/tools/include/linux/filter.h
@@ -173,6 +173,7 @@
* Atomic operations:
*
* BPF_ADD *(uint *) (dst_reg + off16) += src_reg
+ * BPF_ADD | BPF_FETCH src_reg = atomic_fetch_add(dst_reg + off16, src_reg);
*/
#define BPF_ATOMIC_OP(SIZE, OP, DST, SRC, OFF) \