diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index 3690041c126a7850a4dc37ec0684b81e04fa2bd5..6a201e8dc94791dc4c5b6dca6c7bb9f194fcf818 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -28,13 +28,14 @@ extern void giveup_all(struct task_struct *);
 extern void enable_kernel_fp(void);
 extern void flush_fp_to_thread(struct task_struct *);
 extern void giveup_fpu(struct task_struct *);
-extern void __giveup_fpu(struct task_struct *);
+extern void save_fpu(struct task_struct *);
 static inline void disable_kernel_fp(void)
 {
 	msr_check_and_clear(MSR_FP);
 }
 #else
 static inline void __giveup_fpu(struct task_struct *t) { }
+static inline void save_fpu(struct task_struct *t) { }
 static inline void flush_fp_to_thread(struct task_struct *t) { }
 #endif
 
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index b06352474ad08a535b3ff1428b7e527be22d6caf..15da2b5df85e6775ede9834a6620c8abb7c0be02 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -143,33 +143,20 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX)
 	blr
 
 /*
- * __giveup_fpu(tsk)
- * Disable FP for the task given as the argument,
- * and save the floating-point registers in its thread_struct.
+ * save_fpu(tsk)
+ * Save the floating-point registers in its thread_struct.
  * Enables the FPU for use in the kernel on return.
  */
-_GLOBAL(__giveup_fpu)
+_GLOBAL(save_fpu)
 	addi	r3,r3,THREAD	        /* want THREAD of task */
 	PPC_LL	r6,THREAD_FPSAVEAREA(r3)
 	PPC_LL	r5,PT_REGS(r3)
 	PPC_LCMPI	0,r6,0
 	bne	2f
 	addi	r6,r3,THREAD_FPSTATE
-2:	PPC_LCMPI	0,r5,0
-	SAVE_32FPVSRS(0, R4, R6)
+2:	SAVE_32FPVSRS(0, R4, R6)
 	mffs	fr0
 	stfd	fr0,FPSTATE_FPSCR(r6)
-	beq	1f
-	PPC_LL	r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-	li	r3,MSR_FP|MSR_FE0|MSR_FE1
-#ifdef CONFIG_VSX
-BEGIN_FTR_SECTION
-	oris	r3,r3,MSR_VSX@h
-END_FTR_SECTION_IFSET(CPU_FTR_VSX)
-#endif
-	andc	r4,r4,r3		/* disable FP for previous task */
-	PPC_STL	r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
 	blr
 
 /*
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 29da07fb3b4adb64880a44561d79a3f3e5251bb6..a7e5061187e890100e1d461db707c858d5ae4dea 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -133,6 +133,16 @@ void __msr_check_and_clear(unsigned long bits)
 EXPORT_SYMBOL(__msr_check_and_clear);
 
 #ifdef CONFIG_PPC_FPU
+void __giveup_fpu(struct task_struct *tsk)
+{
+	save_fpu(tsk);
+	tsk->thread.regs->msr &= ~MSR_FP;
+#ifdef CONFIG_VSX
+	if (cpu_has_feature(CPU_FTR_VSX))
+		tsk->thread.regs->msr &= ~MSR_VSX;
+#endif
+}
+
 void giveup_fpu(struct task_struct *tsk)
 {
 	check_if_tm_restore_required(tsk);
@@ -459,7 +469,7 @@ void save_all(struct task_struct *tsk)
 	msr_check_and_set(msr_all_available);
 
 	if (usermsr & MSR_FP)
-		__giveup_fpu(tsk);
+		save_fpu(tsk);
 
 	if (usermsr & MSR_VEC)
 		__giveup_altivec(tsk);