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powerpc: Remove NULL task struct pointer checks in FP and vector code

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We used to allow giveup_*() to be called with a NULL task struct
pointer. Now those cases are handled in the caller we can remove
the checks. We can also remove giveup_altivec_notask() which is also
unused.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Anton Blanchard
2015-10-29 11:44:00 +11:00
committed by Michael Ellerman
parent 611b0e5c19
commit b51b1153d0
4 changed files with 0 additions and 19 deletions
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arch/powerpc/include/asm/switch_to.h
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@@ -38,7 +38,6 @@ static inline void giveup_fpu(struct task_struct *t) { }
#ifdef CONFIG_ALTIVEC
extern void flush_altivec_to_thread(struct task_struct *);
extern void giveup_altivec(struct task_struct *);
extern void giveup_altivec_notask(void);
#else
static inline void flush_altivec_to_thread(struct task_struct *t)
{