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powerpc: Remove empty giveup_altivec function on book3e CPUs

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Use an empty inline instead of an empty function to implement
giveup_altivec on book3e CPUs, similar to flush_altivec_to_thread.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard
2012-04-15 20:54:59 +00:00
committed by Benjamin Herrenschmidt
parent 59c19cb2f6
commit 8cd3c23df7
3 changed files with 4 additions and 17 deletions
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5
arch/powerpc/include/asm/switch_to.h
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@@ -21,7 +21,6 @@ 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);
extern void giveup_altivec(struct task_struct *);
extern void load_up_altivec(struct task_struct *);
extern int emulate_altivec(struct pt_regs *);
extern void __giveup_vsx(struct task_struct *);
@@ -40,10 +39,14 @@ static inline void discard_lazy_cpu_state(void)
#ifdef CONFIG_ALTIVEC
extern void flush_altivec_to_thread(struct task_struct *);
extern void giveup_altivec(struct task_struct *);
#else
static inline void flush_altivec_to_thread(struct task_struct *t)
{
}
static inline void giveup_altivec(struct task_struct *t)
{
}
#endif
#ifdef CONFIG_VSX