1 files changed, 9 insertions, 9 deletions

diff --git a/arch/x86/lib/putuser_64.S b/arch/x86/lib/putuser_64.S
index 940796fa0d98..07028851064c 100644
--- a/arch/x86/lib/putuser_64.S
+++ b/arch/x86/lib/putuser_64.S
@@ -18,7 +18,7 @@
  *
  * Outputs:     %rax is error code (0 or -EFAULT)
  *
- * %r8 is destroyed.
+ * %rbx is destroyed.
  *
  * These functions should not modify any other registers,
  * as they get called from within inline assembly.
@@ -34,8 +34,8 @@
         .text
 ENTRY(__put_user_1)
         CFI_STARTPROC
-        GET_THREAD_INFO(%r8)
-        cmpq TI_addr_limit(%r8),%rcx
+        GET_THREAD_INFO(%rbx)
+        cmpq TI_addr_limit(%rbx),%rcx
         jae bad_put_user
 1:      movb %dl,(%rcx)
         xorl %eax,%eax
@@ -45,10 +45,10 @@ ENDPROC(__put_user_1)
 
 ENTRY(__put_user_2)
         CFI_STARTPROC
-        GET_THREAD_INFO(%r8)
+        GET_THREAD_INFO(%rbx)
         addq $1,%rcx
         jc 20f
-        cmpq TI_addr_limit(%r8),%rcx
+        cmpq TI_addr_limit(%rbx),%rcx
         jae 20f
         decq %rcx
 2:      movw %dx,(%rcx)
@@ -61,10 +61,10 @@ ENDPROC(__put_user_2)
 
 ENTRY(__put_user_4)
         CFI_STARTPROC
-        GET_THREAD_INFO(%r8)
+        GET_THREAD_INFO(%rbx)
         addq $3,%rcx
         jc 30f
-        cmpq TI_addr_limit(%r8),%rcx
+        cmpq TI_addr_limit(%rbx),%rcx
         jae 30f
         subq $3,%rcx
 3:      movl %edx,(%rcx)
@@ -77,10 +77,10 @@ ENDPROC(__put_user_4)
 
 ENTRY(__put_user_8)
         CFI_STARTPROC
-        GET_THREAD_INFO(%r8)
+        GET_THREAD_INFO(%rbx)
         addq $7,%rcx
         jc 40f
-        cmpq TI_addr_limit(%r8),%rcx
+        cmpq TI_addr_limit(%rbx),%rcx
         jae 40f
         subq $7,%rcx
 4:      movq %rdx,(%rcx)