From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Date: Sat, 29 Oct 2005 00:46:15 +0000 (-0700)
Subject: [PATCH] ppc32: #ifdef out ALTIVEC specific code in __switch_to
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=434cc69fbb02dd7ca64c5029dc6a6f9636f77e02;p=linux-beck.git

[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>
---

diff --git a/arch/ppc/kernel/process.c b/arch/ppc/kernel/process.c
index 78ea10197a0b..cb1c7b92f8c6 100644
--- a/arch/ppc/kernel/process.c
+++ b/arch/ppc/kernel/process.c
@@ -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