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-rw-r--r--kernel/spinlock.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/spinlock.c b/kernel/spinlock.c
index fb524b009eef..9644a41e0bef 100644
--- a/kernel/spinlock.c
+++ b/kernel/spinlock.c
@@ -7,6 +7,11 @@
*
* This file contains the spinlock/rwlock implementations for the
* SMP and the DEBUG_SPINLOCK cases. (UP-nondebug inlines them)
+ *
+ * Note that some architectures have special knowledge about the
+ * stack frames of these functions in their profile_pc. If you
+ * change anything significant here that could change the stack
+ * frame contact the architecture maintainers.
*/
#include <linux/linkage.h>