diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/ppc_ksyms.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/process.c | 17 |
2 files changed, 12 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index 7bfa0f0121f..e73b0699b5f 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -182,11 +182,9 @@ EXPORT_SYMBOL(flush_tlb_kernel_range); EXPORT_SYMBOL(flush_tlb_page); EXPORT_SYMBOL(_tlbie); #ifdef CONFIG_ALTIVEC -EXPORT_SYMBOL(last_task_used_altivec); EXPORT_SYMBOL(giveup_altivec); #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_SPE -EXPORT_SYMBOL(last_task_used_spe); EXPORT_SYMBOL(giveup_spe); #endif /* CONFIG_SPE */ #ifdef CONFIG_SMP diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index e3946769dd8..ae316e9ed58 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -272,11 +272,6 @@ struct task_struct *__switch_to(struct task_struct *prev, */ if (prev->thread.regs && (prev->thread.regs->msr & MSR_VEC)) giveup_altivec(prev); - /* Avoid the trap. On smp this this never happens since - * we don't set last_task_used_altivec -- Cort - */ - if (new->thread.regs && last_task_used_altivec == new) - new->thread.regs->msr |= MSR_VEC; #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_SPE /* @@ -288,12 +283,24 @@ struct task_struct *__switch_to(struct task_struct *prev, */ if ((prev->thread.regs && (prev->thread.regs->msr & MSR_SPE))) giveup_spe(prev); +#endif /* CONFIG_SPE */ + +#else /* CONFIG_SMP */ +#ifdef CONFIG_ALTIVEC + /* Avoid the trap. On smp this this never happens since + * we don't set last_task_used_altivec -- Cort + */ + if (new->thread.regs && last_task_used_altivec == new) + new->thread.regs->msr |= MSR_VEC; +#endif /* CONFIG_ALTIVEC */ +#ifdef CONFIG_SPE /* Avoid the trap. On smp this this never happens since * we don't set last_task_used_spe */ if (new->thread.regs && last_task_used_spe == new) new->thread.regs->msr |= MSR_SPE; #endif /* CONFIG_SPE */ + #endif /* CONFIG_SMP */ #ifdef CONFIG_PPC64 /* for now */ |