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| author | Kevin Hao <haokexin@gmail.com> | 2013-07-14 13:02:03 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-14 08:59:25 +0400 |
| commit | 6ef94ff2e8e593de6de8d8d299a5fffaed35329c (patch) | |
| tree | 948d1f1d084c3b4a7570a0563c9e2657eadeb1ff | |
| parent | e05c0e81b0628808a7490c35d1803644a18b0405 (diff) | |
| download | linux-6ef94ff2e8e593de6de8d8d299a5fffaed35329c.tar.xz | |
powerpc: remove the unused function disable_kernel_fp()
The only using of function disable_kernel_fp() was already dropped
in the commit 5daf9071 (powerpc: merge align.c).
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/switch_to.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/misc_64.S | 13 |
2 files changed, 0 insertions, 14 deletions
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 49a13e0ef234..33e1cd823585 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 0db7cb4060c1..971d7e78aff2 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -449,19 +449,6 @@ _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 |