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Commit 6ef94ff2 authored by Kevin Hao's avatar Kevin Hao Committed by Benjamin Herrenschmidt
Browse files

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: default avatarKevin Hao <haokexin@gmail.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent e05c0e81

arch/powerpc/include/asm/switch_to.h

+0 −1
Original line number Diff line number Diff line
@@ -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);

arch/powerpc/kernel/misc_64.S

+0 −13
Original line number Diff line number Diff line
@@ -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