From 2adee9b30d1382fba97825b9c50e4f50a0117c36 Mon Sep 17 00:00:00 2001
From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Wed, 16 Apr 2008 10:25:35 +0200
Subject: x86: fpu xstate split fix

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/fork.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'kernel/fork.c')

diff --git a/kernel/fork.c b/kernel/fork.c
index 44a18192c420..89fe414645e9 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -132,9 +132,13 @@ void __put_task_struct(struct task_struct *tsk)
 		free_task(tsk);
 }
 
-void __attribute__((weak)) arch_task_cache_init(void)
-{
-}
+/*
+ * macro override instead of weak attribute alias, to workaround
+ * gcc 4.1.0 and 4.1.1 bugs with weak attribute and empty functions.
+ */
+#ifndef arch_task_cache_init
+#define arch_task_cache_init()
+#endif
 
 void __init fork_init(unsigned long mempages)
 {
-- 
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