diff options
| author | Anton Blanchard <anton@samba.org> | 2012-04-15 22:54:59 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-04-30 07:37:16 +0200 |
| commit | 8cd3c23df79411f6b24ddb7d2ed58d26e3b06815 (patch) | |
| tree | 7a6085981cd7f105120f9c0f9f5006675da766f8 /arch/powerpc | |
| parent | powerpc: Reformat lppaca.h (diff) | |
| download | linux-8cd3c23df79411f6b24ddb7d2ed58d26e3b06815.tar.xz linux-8cd3c23df79411f6b24ddb7d2ed58d26e3b06815.zip | |
powerpc: Remove empty giveup_altivec function on book3e CPUs
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>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/switch_to.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_44x.S | 8 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 8 |
3 files changed, 4 insertions, 17 deletions
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index caf82d0a00de..2824609319c7 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -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 diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index 7dd2981bcc50..22d608e8bb7d 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -778,14 +778,6 @@ _GLOBAL(__fixup_440A_mcheck) blr /* - * extern void giveup_altivec(struct task_struct *prev) - * - * The 44x core does not have an AltiVec unit. - */ -_GLOBAL(giveup_altivec) - blr - -/* * extern void giveup_fpu(struct task_struct *prev) * * The 44x core does not have an FPU. diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 28e62598d0e8..de80e0f9a2bd 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -874,14 +874,6 @@ _GLOBAL(__setup_e500mc_ivors) sync blr -/* - * extern void giveup_altivec(struct task_struct *prev) - * - * The e500 core does not have an AltiVec unit. - */ -_GLOBAL(giveup_altivec) - blr - #ifdef CONFIG_SPE /* * extern void giveup_spe(struct task_struct *prev) |