Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=42421ce3468d46cd875acd3d87384528f9fe8a39
Commit: 42421ce3468d46cd875acd3d87384528f9fe8a39
Parent: 0068f260578fc54aa7d10bb3e4a25118287f00f7
Author: Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Thu Oct 11 11:15:37 2007 +0200
Committer: Thomas Gleixner <[EMAIL PROTECTED]>
CommitDate: Thu Oct 11 11:15:37 2007 +0200
x86_64: prepare shared lib/rwlock.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/rwlock.S | 38 --------------------------------------
arch/x86_64/lib/rwlock_64.S | 38 ++++++++++++++++++++++++++++++++++++++
3 files changed, 39 insertions(+), 39 deletions(-)
diff --git a/arch/x86_64/lib/Makefile b/arch/x86_64/lib/Makefile
index 4611996..d9d715d 100644
--- a/arch/x86_64/lib/Makefile
+++ b/arch/x86_64/lib/Makefile
@@ -10,4 +10,4 @@ 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_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
+lib-y += memcpy.o memmove.o memset.o copy_user.o rwlock_64.o
copy_user_nocache.o
diff --git a/arch/x86_64/lib/rwlock.S b/arch/x86_64/lib/rwlock.S
deleted file mode 100644
index 0cde1f8..0000000
--- a/arch/x86_64/lib/rwlock.S
+++ /dev/null
@@ -1,38 +0,0 @@
-/* Slow paths of read/write spinlocks. */
-
-#include <linux/linkage.h>
-#include <asm/rwlock.h>
-#include <asm/alternative-asm.i>
-#include <asm/dwarf2.h>
-
-/* rdi: pointer to rwlock_t */
-ENTRY(__write_lock_failed)
- CFI_STARTPROC
- LOCK_PREFIX
- addl $RW_LOCK_BIAS,(%rdi)
-1: rep
- nop
- cmpl $RW_LOCK_BIAS,(%rdi)
- jne 1b
- LOCK_PREFIX
- subl $RW_LOCK_BIAS,(%rdi)
- jnz __write_lock_failed
- ret
- CFI_ENDPROC
-END(__write_lock_failed)
-
-/* rdi: pointer to rwlock_t */
-ENTRY(__read_lock_failed)
- CFI_STARTPROC
- LOCK_PREFIX
- incl (%rdi)
-1: rep
- nop
- cmpl $1,(%rdi)
- js 1b
- LOCK_PREFIX
- decl (%rdi)
- js __read_lock_failed
- ret
- CFI_ENDPROC
-END(__read_lock_failed)
diff --git a/arch/x86_64/lib/rwlock_64.S b/arch/x86_64/lib/rwlock_64.S
new file mode 100644
index 0000000..0cde1f8
--- /dev/null
+++ b/arch/x86_64/lib/rwlock_64.S
@@ -0,0 +1,38 @@
+/* Slow paths of read/write spinlocks. */
+
+#include <linux/linkage.h>
+#include <asm/rwlock.h>
+#include <asm/alternative-asm.i>
+#include <asm/dwarf2.h>
+
+/* rdi: pointer to rwlock_t */
+ENTRY(__write_lock_failed)
+ CFI_STARTPROC
+ LOCK_PREFIX
+ addl $RW_LOCK_BIAS,(%rdi)
+1: rep
+ nop
+ cmpl $RW_LOCK_BIAS,(%rdi)
+ jne 1b
+ LOCK_PREFIX
+ subl $RW_LOCK_BIAS,(%rdi)
+ jnz __write_lock_failed
+ ret
+ CFI_ENDPROC
+END(__write_lock_failed)
+
+/* rdi: pointer to rwlock_t */
+ENTRY(__read_lock_failed)
+ CFI_STARTPROC
+ LOCK_PREFIX
+ incl (%rdi)
+1: rep
+ nop
+ cmpl $1,(%rdi)
+ js 1b
+ LOCK_PREFIX
+ decl (%rdi)
+ js __read_lock_failed
+ ret
+ CFI_ENDPROC
+END(__read_lock_failed)
-
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