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[PATCH] ppc32: #ifdef out ALTIVEC specific code in __switch_to 

#ifdef out an ALTIVEC specific tweak in __switch_to()

Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Marcelo Tosatti 2005-10-28 17:46:15 -07:00 committed by Paul Mackerras
parent d5f7b06b03
commit 434cc69fbb
1 changed files with 2 additions and 0 deletions
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2
arch/ppc/kernel/process.c
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@ -347,11 +347,13 @@ struct task_struct *__switch_to(struct task_struct *prev,
#endif /* CONFIG_SPE */
#endif /* 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
#ifdef CONFIG_SPE
/* Avoid the trap. On smp this this never happens since
* we don't set last_task_used_spe