linux 2.6.16.38 w/ vs2.0.3-rc1
[linux-2.6.git] / arch / x86_64 / lib / clear_page.S
index 9a10a78..1f81b79 100644 (file)
@@ -1,22 +1,10 @@
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-
 /*
  * Zero a page.        
  * rdi page
  */                    
-       ALIGN
-clear_page_c:
-       CFI_STARTPROC
-       movl $4096/8,%ecx
-       xorl %eax,%eax
-       rep stosq
-       ret
-       CFI_ENDPROC
-ENDPROC(clear_page)
-
-ENTRY(clear_page)
-       CFI_STARTPROC
+       .globl clear_page
+       .p2align 4
+clear_page:
        xorl   %eax,%eax
        movl   $4096/64,%ecx
        .p2align 4
@@ -35,25 +23,28 @@ ENTRY(clear_page)
        jnz     .Lloop
        nop
        ret
-       CFI_ENDPROC
-.Lclear_page_end:
-ENDPROC(clear_page)
+clear_page_end:
 
        /* Some CPUs run faster using the string instructions.
           It is also a lot simpler. Use this when possible */
 
 #include <asm/cpufeature.h>
 
-       .section .altinstr_replacement,"ax"
-1:     .byte 0xeb                                      /* jmp <disp8> */
-       .byte (clear_page_c - clear_page) - (2f - 1b)   /* offset */
-2:
-       .previous
        .section .altinstructions,"a"
        .align 8
-       .quad clear_page
-       .quad 1b
-       .byte X86_FEATURE_REP_GOOD
-       .byte .Lclear_page_end - clear_page
-       .byte 2b - 1b
+       .quad  clear_page
+       .quad  clear_page_c
+       .byte  X86_FEATURE_REP_GOOD
+       .byte  clear_page_end-clear_page
+       .byte  clear_page_c_end-clear_page_c
+       .previous
+
+       .section .altinstr_replacement,"ax"
+clear_page_c:
+       movl $4096/8,%ecx
+       xorl %eax,%eax
+       rep 
+       stosq
+       ret
+clear_page_c_end:
        .previous