The only using of function disable_kernel_fp() was already dropped
in the commit 5daf9071 (powerpc: merge align.c).
Signed-off-by: Kevin Hao <haoke...@gmail.com>
---
arch/powerpc/include/asm/switch_to.h | 1 -
arch/powerpc/kernel/misc_64.S | 13 -------------
2 files changed, 14 deletions(-)
diff --git a/arch/powerpc/include/asm/switch_to.h
b/arch/powerpc/include/asm/switch_to.h
index 49a13e0..33e1cd8 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -18,7 +18,6 @@ extern struct task_struct *_switch(struct thread_struct *prev,
extern void giveup_fpu(struct task_struct *);
extern void load_up_fpu(void);
-extern void disable_kernel_fp(void);
extern void enable_kernel_fp(void);
extern void flush_fp_to_thread(struct task_struct *);
extern void enable_kernel_altivec(void);
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 6820e45..8110abe 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -416,19 +416,6 @@ _GLOBAL(scom970_write)
blr
#endif /* CONFIG_CPU_FREQ_PMAC64 || CONFIG_CPU_FREQ_MAPLE */
-
-/*
- * disable_kernel_fp()
- * Disable the FPU.
- */
-_GLOBAL(disable_kernel_fp)
- mfmsr r3
- rldicl r0,r3,(63-MSR_FP_LG),1
- rldicl r3,r0,(MSR_FP_LG+1),0
- mtmsrd r3 /* disable use of fpu now */
- isync
- blr
-
/* kexec_wait(phys_cpu)
*
* wait for the flag to change, indicating this kernel is going away but
--
1.8.1.4
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