Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0068f260578fc54aa7d10bb3e4a25118287f00f7
Commit: 0068f260578fc54aa7d10bb3e4a25118287f00f7
Parent: c9954d39e7d8b2f12517aa02d4d7b96eb4761a1d
Author: Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Thu Oct 11 11:15:36 2007 +0200
Committer: Thomas Gleixner <[EMAIL PROTECTED]>
CommitDate: Thu Oct 11 11:15:36 2007 +0200
x86_64: prepare shared lib/clear_page.S
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
arch/x86_64/lib/Makefile | 2 +-
arch/x86_64/lib/clear_page.S | 59 ---------------------------------------
arch/x86_64/lib/clear_page_64.S | 59 +++++++++++++++++++++++++++++++++++++++
3 files changed, 60 insertions(+), 60 deletions(-)
diff --git a/arch/x86_64/lib/Makefile b/arch/x86_64/lib/Makefile
index 4ecc618..4611996 100644
--- a/arch/x86_64/lib/Makefile
+++ b/arch/x86_64/lib/Makefile
@@ -9,5 +9,5 @@ obj-$(CONFIG_SMP) += msr-on-cpu.o
lib-y := csum-partial.o csum-copy_64.o csum-wrappers.o delay.o \
usercopy.o getuser.o putuser.o \
- thunk_64.o clear_page.o copy_page_64.o bitstr_64.o bitops.o
+ thunk_64.o clear_page_64.o copy_page_64.o bitstr_64.o bitops.o
lib-y += memcpy.o memmove.o memset.o copy_user.o rwlock.o copy_user_nocache.o
diff --git a/arch/x86_64/lib/clear_page.S b/arch/x86_64/lib/clear_page.S
deleted file mode 100644
index 9a10a78..0000000
--- a/arch/x86_64/lib/clear_page.S
+++ /dev/null
@@ -1,59 +0,0 @@
-#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
- xorl %eax,%eax
- movl $4096/64,%ecx
- .p2align 4
-.Lloop:
- decl %ecx
-#define PUT(x) movq %rax,x*8(%rdi)
- movq %rax,(%rdi)
- PUT(1)
- PUT(2)
- PUT(3)
- PUT(4)
- PUT(5)
- PUT(6)
- PUT(7)
- leaq 64(%rdi),%rdi
- jnz .Lloop
- nop
- ret
- CFI_ENDPROC
-.Lclear_page_end:
-ENDPROC(clear_page)
-
- /* 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
- .previous
diff --git a/arch/x86_64/lib/clear_page_64.S b/arch/x86_64/lib/clear_page_64.S
new file mode 100644
index 0000000..9a10a78
--- /dev/null
+++ b/arch/x86_64/lib/clear_page_64.S
@@ -0,0 +1,59 @@
+#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
+ xorl %eax,%eax
+ movl $4096/64,%ecx
+ .p2align 4
+.Lloop:
+ decl %ecx
+#define PUT(x) movq %rax,x*8(%rdi)
+ movq %rax,(%rdi)
+ PUT(1)
+ PUT(2)
+ PUT(3)
+ PUT(4)
+ PUT(5)
+ PUT(6)
+ PUT(7)
+ leaq 64(%rdi),%rdi
+ jnz .Lloop
+ nop
+ ret
+ CFI_ENDPROC
+.Lclear_page_end:
+ENDPROC(clear_page)
+
+ /* 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
+ .previous
-
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