[patch 05/43] ppc32: #ifdef out ALTIVEC specific code in __switch_to
akpm at osdl.org
akpm at osdl.org
Sat Oct 29 10:46:15 EST 2005
From: Marcelo Tosatti <marcelo.tosatti at cyclades.com>
#ifdef out an ALTIVEC specific tweak in __switch_to()
Signed-off-by: Marcelo Tosatti <marcelo.tosatti at cyclades.com>
Signed-off-by: Andrew Morton <akpm at osdl.org>
---
arch/ppc/kernel/process.c | 2 ++
1 files changed, 2 insertions(+)
diff -puN arch/ppc/kernel/process.c~ppc32-ifdef-out-altivec-specific-code-in-__switch_to arch/ppc/kernel/process.c
--- devel/arch/ppc/kernel/process.c~ppc32-ifdef-out-altivec-specific-code-in-__switch_to 2005-10-28 17:44:02.000000000 -0700
+++ devel-akpm/arch/ppc/kernel/process.c 2005-10-28 17:44:02.000000000 -0700
@@ -287,11 +287,13 @@ struct task_struct *__switch_to(struct t
#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
_
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