find_regset() goes through regsets sequentially. Empty slots
in regset arrays causes mismatch. Add comments to x86_regset
enum.
Signed-off-by: Yu-cheng Yu <yu-cheng...@intel.com>
---
arch/x86/kernel/ptrace.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index e2ee403865eb..130ca4f27a17 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -42,6 +42,11 @@
#include "tls.h"
+/*
+ * find_regset() goes through regsets sequentially.
+ * Do not create empty slots in x86_64_regsets[] or
+ * x86_32_regsets[] below.
+ */
enum x86_regset {
REGSET_GENERAL,
REGSET_FP,
--
2.17.1
