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powerpc/kernel: Make function __giveup_fpu() static

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__giveup_fpu() is never called outside process.c, so it can be static.
That also means we don't need an empty definition in switch_to.h

Signed-off-by: Mathieu Malaterre <malat@debian.org>
[mpe: Also drop the empty version, rewrite change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Mathieu Malaterre 2018-02-25 18:22:23 +01:00 committed by Michael Ellerman
parent 8b51e679a5
commit 1cdf039bf8
2 changed files with 2 additions and 3 deletions
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1
arch/powerpc/include/asm/switch_to.h
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@ -35,7 +35,6 @@ static inline void disable_kernel_fp(void)
msr_check_and_clear(MSR_FP);
}
#else
static inline void __giveup_fpu(struct task_struct *t) { }
static inline void save_fpu(struct task_struct *t) { }
static inline void flush_fp_to_thread(struct task_struct *t) { }
#endif

4
arch/powerpc/kernel/process.c
View File

@ -173,7 +173,7 @@ void __msr_check_and_clear(unsigned long bits)
EXPORT_SYMBOL(__msr_check_and_clear);
#ifdef CONFIG_PPC_FPU
void __giveup_fpu(struct task_struct *tsk)
static void __giveup_fpu(struct task_struct *tsk)
{
unsigned long msr;
@ -556,7 +556,7 @@ void restore_math(struct pt_regs *regs)
regs->msr = msr;
}
void save_all(struct task_struct *tsk)
static void save_all(struct task_struct *tsk)
{
unsigned long usermsr;