1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 40e9933a2d33..84263c79a119 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -620,7 +620,7 @@ GLOBAL(retint_user)
 GLOBAL(swapgs_restore_regs_and_return_to_usermode)
 #ifdef CONFIG_DEBUG_ENTRY
         /* Assert that pt_regs indicates user mode. */
-        testl   $3, CS(%rsp)
+        testb   $3, CS(%rsp)
         jnz     1f
         ud2
 1:
@@ -653,7 +653,7 @@ retint_kernel:
 GLOBAL(restore_regs_and_return_to_kernel)
 #ifdef CONFIG_DEBUG_ENTRY
         /* Assert that pt_regs indicates kernel mode. */
-        testl   $3, CS(%rsp)
+        testb   $3, CS(%rsp)
         jz      1f
         ud2
 1: