*/
static inline void destroy_context(struct mm_struct *mm)
{
+ preempt_disable();
if (mm->context != NO_CONTEXT) {
clear_bit(mm->context, context_map);
mm->context = NO_CONTEXT;
atomic_inc(&nr_free_contexts);
#endif
}
+ preempt_enable();
}
static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *tsk)
{
#ifdef CONFIG_ALTIVEC
- asm volatile (
- BEGIN_FTR_SECTION
- "dssall;\n"
+ if (cpu_has_feature(CPU_FTR_ALTIVEC))
+ asm volatile ("dssall;\n"
#ifndef CONFIG_POWER4
"sync;\n" /* G4 needs a sync here, G5 apparently not */
#endif
- END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
: : );
#endif /* CONFIG_ALTIVEC */