diff --git a/arch/powerpc/kernel/vdso32/cacheflush.S b/arch/powerpc/kernel/vdso32/cacheflush.S
index c8db993..09629ae 100644
--- a/arch/powerpc/kernel/vdso32/cacheflush.S
+++ b/arch/powerpc/kernel/vdso32/cacheflush.S
@@ -35,6 +35,7 @@ V_FUNCTION_BEGIN(__kernel_sync_dicache)
 	subf	r8,r6,r4		/* compute length */
 	add	r8,r8,r5		/* ensure we get enough */
 	srwi.	r8,r8,7			/* compute line count */
+	crclr	cr0*4+so
 	beqlr				/* nothing to do? */
 	mtctr	r8
 	mr	r3,r6
@@ -58,6 +59,7 @@ V_FUNCTION_END(__kernel_sync_dicache)
  */
 V_FUNCTION_BEGIN(__kernel_sync_dicache_p5)
   .cfi_startproc
+	crclr	cr0*4+so
 	sync
 	isync
 	li	r3,0
diff --git a/arch/powerpc/kernel/vdso32/datapage.S b/arch/powerpc/kernel/vdso32/datapage.S
index f6b3847..4709f1d 100644
--- a/arch/powerpc/kernel/vdso32/datapage.S
+++ b/arch/powerpc/kernel/vdso32/datapage.S
@@ -54,7 +54,6 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map)
   .cfi_startproc
 	mflr	r12
   .cfi_register lr,r12
-
 	mr	r4,r3
 	bl	__get_datapage@local
 	mtlr	r12
@@ -63,6 +62,7 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map)
 	beqlr
 	li	r0,__NR_syscalls
 	stw	r0,0(r4)
+	crclr	cr0*4+so
 	blr
   .cfi_endproc
 V_FUNCTION_END(__kernel_get_syscall_map)
@@ -80,6 +80,7 @@ V_FUNCTION_BEGIN(__kernel_get_tbfreq)
 	lwz	r4,(CFG_TB_TICKS_PER_SEC + 4)(r3)
 	lwz	r3,CFG_TB_TICKS_PER_SEC(r3)
 	mtlr	r12
+	crclr	cr0*4+so
 	blr
   .cfi_endproc
 V_FUNCTION_END(__kernel_get_tbfreq)
diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S
index 0a32a41..7eebff0 100644
--- a/arch/powerpc/kernel/vdso32/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso32/gettimeofday.S
@@ -59,6 +59,7 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday)
 	stw	r5,TZONE_TZ_DSTTIME(r11)
 
 1:	mtlr	r12
+	crclr	cr0*4+so
 	li	r3,0
 	blr
 
@@ -117,6 +118,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
 	mulli	r5,r5,1000
 	stw	r5,TSPC32_TV_NSEC(r11)
 	mtlr	r12
+	crclr	cr0*4+so
 	li	r3,0
 	blr
 
@@ -185,6 +187,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
 	stw	r4,TSPC32_TV_NSEC(r11)
 
 	mtlr	r12
+	crclr	cr0*4+so
 	li	r3,0
 	blr
 
@@ -219,6 +222,7 @@ V_FUNCTION_BEGIN(__kernel_clock_getres)
 
 	li	r3,0
 	cmpli	cr0,r4,0
+	crclr	cr0*4+so
 	beqlr
 	lis	r5,CLOCK_REALTIME_RES@h
 	ori	r5,r5,CLOCK_REALTIME_RES@l
diff --git a/arch/powerpc/kernel/vdso64/cacheflush.S b/arch/powerpc/kernel/vdso64/cacheflush.S
index d4a0ad2..cb4ae0a 100644
--- a/arch/powerpc/kernel/vdso64/cacheflush.S
+++ b/arch/powerpc/kernel/vdso64/cacheflush.S
@@ -35,6 +35,7 @@ V_FUNCTION_BEGIN(__kernel_sync_dicache)
 	subf	r8,r6,r4		/* compute length */
 	add	r8,r8,r5		/* ensure we get enough */
 	srwi.	r8,r8,7			/* compute line count */
+	crclr	cr0*4+so
 	beqlr				/* nothing to do? */
 	mtctr	r8
 	mr	r3,r6
@@ -58,6 +59,7 @@ V_FUNCTION_END(__kernel_sync_dicache)
  */
 V_FUNCTION_BEGIN(__kernel_sync_dicache_p5)
   .cfi_startproc
+	crclr	cr0*4+so
 	sync
 	isync
 	li	r3,0
diff --git a/arch/powerpc/kernel/vdso64/datapage.S b/arch/powerpc/kernel/vdso64/datapage.S
index 6393e41..3b2dd7d 100644
--- a/arch/powerpc/kernel/vdso64/datapage.S
+++ b/arch/powerpc/kernel/vdso64/datapage.S
@@ -54,12 +54,12 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map)
   .cfi_startproc
 	mflr	r12
   .cfi_register lr,r12
-
 	mr	r4,r3
 	bl	V_LOCAL_FUNC(__get_datapage)
 	mtlr	r12
 	addi	r3,r3,CFG_SYSCALL_MAP64
 	cmpli	cr0,r4,0
+	crclr	cr0*4+so
 	beqlr
 	li	r0,__NR_syscalls
 	stw	r0,0(r4)
@@ -80,6 +80,7 @@ V_FUNCTION_BEGIN(__kernel_get_tbfreq)
 	bl	V_LOCAL_FUNC(__get_datapage)
 	ld	r3,CFG_TB_TICKS_PER_SEC(r3)
 	mtlr	r12
+	crclr	cr0*4+so
 	blr
   .cfi_endproc
 V_FUNCTION_END(__kernel_get_tbfreq)
diff --git a/arch/powerpc/kernel/vdso64/gettimeofday.S b/arch/powerpc/kernel/vdso64/gettimeofday.S
index 1a89094..ccaeda5 100644
--- a/arch/powerpc/kernel/vdso64/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso64/gettimeofday.S
@@ -52,6 +52,7 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday)
 	stw	r4,TZONE_TZ_MINWEST(r10)
 	stw	r5,TZONE_TZ_DSTTIME(r10)
 1:	mtlr	r12
+	crclr	cr0*4+so
 	li	r3,0			/* always success */
 	blr
   .cfi_endproc
@@ -99,6 +100,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
 	std	r0,TSPC64_TV_NSEC(r11)	/* store nsec in tp */
 
 	mtlr	r12
+	crclr	cr0*4+so
 	li	r3,0
 	blr
 
@@ -159,6 +161,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime)
 	std	r7,TSPC64_TV_NSEC(r11)
 
 	mtlr	r12
+	crclr	cr0*4+so
 	li	r3,0
 	blr
 
@@ -193,6 +196,7 @@ V_FUNCTION_BEGIN(__kernel_clock_getres)
 
 	li	r3,0
 	cmpli	cr0,r4,0
+	crclr	cr0*4+so
 	beqlr
 	lis	r5,CLOCK_REALTIME_RES@h
 	ori	r5,r5,CLOCK_REALTIME_RES@l
diff --git a/include/asm-powerpc/vdso.h b/include/asm-powerpc/vdso.h
index 85d8a7b..b9f9118 100644
--- a/include/asm-powerpc/vdso.h
+++ b/include/asm-powerpc/vdso.h
@@ -11,7 +11,7 @@
 #define VDSO32_MBASE	VDSO32_LBASE
 #define VDSO64_MBASE	VDSO64_LBASE
 
-#define VDSO_VERSION_STRING	LINUX_2.6.12
+#define VDSO_VERSION_STRING	LINUX_2.6.15
 
 /* Define if 64 bits VDSO has procedure descriptors */
 #undef VDS64_HAS_DESCRIPTORS