2 files changed, 6 insertions, 10 deletions

diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index cb12b9bfc9cc..44a8e0dc6737 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1047,12 +1047,8 @@ END(spurious_interrupt_bug)
 ENTRY(kernel_thread_helper)
         pushl $0                # fake return address for unwinder
         CFI_STARTPROC
-        movl %edx,%eax
-        push %edx
-        CFI_ADJUST_CFA_OFFSET 4
-        call *%ebx
-        push %eax
-        CFI_ADJUST_CFA_OFFSET 4
+        movl %edi,%eax
+        call *%esi
         call do_exit
         ud2                     # padding for call trace
         CFI_ENDPROC
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 506d5a7ba17c..bd874d2b6ab1 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -193,8 +193,8 @@ void show_regs(struct pt_regs *regs)
 }
 
 /*
- * This gets run with %bx containing the
- * function to call, and %dx containing
+ * This gets run with %si containing the
+ * function to call, and %di containing
  * the "args".
  */
 extern void kernel_thread_helper(void);
@@ -208,8 +208,8 @@ int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
 
         memset(&regs, 0, sizeof(regs));
 
-        regs.bx = (unsigned long) fn;
-        regs.dx = (unsigned long) arg;
+        regs.si = (unsigned long) fn;
+        regs.di = (unsigned long) arg;
 
         regs.ds = __USER_DS;
         regs.es = __USER_DS;