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authorMarcelo Tosatti <marcelo.tosatti@cyclades.com>2005-10-29 02:46:15 +0200
committerPaul Mackerras <paulus@samba.org>2005-10-29 05:55:43 +0200
commit434cc69fbb02dd7ca64c5029dc6a6f9636f77e02 (patch)
tree09f88c57bb9a6fe1bd30516bfbc3a2877a6d08ac /arch/ppc/kernel
parent[PATCH] ppc32: Cleanup AMCC PPC44x eval board U-Boot support (diff)
downloadlinux-434cc69fbb02dd7ca64c5029dc6a6f9636f77e02.tar.xz
linux-434cc69fbb02dd7ca64c5029dc6a6f9636f77e02.zip
[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>
Diffstat (limited to 'arch/ppc/kernel')
-rw-r--r--arch/ppc/kernel/process.c2
1 files changed, 2 insertions, 0 deletions
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