[Xen-devel] [PATCH v2 1/3] mini-os: cleanup x86_32.S

[Juergen Gross <jgross@xxxxxxxx>]

arch/x86/x86_32.S has some superfluous instructions. Remove them.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
---
 arch/x86/x86_32.S | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/x86/x86_32.S b/arch/x86/x86_32.S
index f70fc65..3de0027 100644
--- a/arch/x86/x86_32.S
+++ b/arch/x86/x86_32.S
@@ -111,7 +111,6 @@ do_exception:
     jmp ret_from_exception
     
 ret_from_exception:
-    movb CS(%esp),%cl
     addl $8,%esp
     RESTORE_ALL
 
@@ -140,11 +139,7 @@ ENTRY(hypervisor_callback)
         call do_hypervisor_callback
         add  $4,%esp
         movl HYPERVISOR_shared_info,%esi
-        xorl %eax,%eax
-        movb CS(%esp),%cl
-       test $2,%cl          # slow return to ring 2 or 3
-        jne  safesti
-safesti:movb $0,1(%esi)     # reenable event callbacks
+        movb $0,1(%esi)     # reenable event callbacks
 scrit:  /**** START OF CRITICAL REGION ****/
         testb $0xFF,(%esi)
         jnz  14f              # process more events if necessary...
-- 
2.6.6


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