invalidated spinlocks

1 files changed, 0 insertions, 14 deletions

diff --git a/asm/x86.s b/asm/x86.s
index 9794111..3243352 100644
--- a/asm/x86.s
+++ b/asm/x86.s
@@ -65,19 +65,6 @@ x86_sti:
     sti
     ret
 
-x86_xchg:
-// --   uint8_t result;
-// -- 
-// --   // The + in "+m" denotes a read-modify-write operand.
-// --   asm volatile("lock xchgb %0, %1" :
-// --                "+m" (*addr), "=a" (result) :
-// --                "1" (val) :
-// --                "cc");
-// -- 
-// --   return result;
-// -- } 
-    ret
-
 x86_get_cr:
     mov 4(%esp), %ecx
     cmp $0,%ecx
@@ -134,4 +121,3 @@ set_cr3:
 set_cr4:
     mov %eax,%cr4
     ret
-