[Xen-devel] [PATCH] 2.6.11-rc3 used_math changes

[Rik van Riel <riel@xxxxxxxxxx>]

Bring the Xen code in line with the used_math changes in
2.6.11-rc3.

Signed-off-by: Rik van Riel <riel@xxxxxxxxxx>

--- linux-2.6.10/arch/xen/i386/kernel/cpu/common.c.usedmath     2005-02-07 
13:40:24.364313822 -0500
+++ linux-2.6.10/arch/xen/i386/kernel/cpu/common.c      2005-02-07 
13:40:59.139055752 -0500
@@ -596,7 +596,7 @@ void __init cpu_init (void)
         * Force FPU initialization:
         */
        current_thread_info()->status = 0;
-       current->used_math = 0;
+       clear_used_math();
        mxcsr_feature_mask_init();
 }

--- linux-2.6.10/arch/xen/i386/kernel/process.c.usedmath        2005-02-07 
13:40:24.366313462 -0500
+++ linux-2.6.10/arch/xen/i386/kernel/process.c 2005-02-07 13:41:43.178137593 
-0500
@@ -297,7 +297,7 @@ void flush_thread(void)
         * Forget coprocessor state..
         */
        clear_fpu(tsk);
-       tsk->used_math = 0;
+       clear_used_math();
 }

 void release_thread(struct task_struct *dead_task)
--- linux-2.6.10/arch/xen/i386/kernel/traps.c.usedmath  2005-02-07 
13:40:24.368313102 -0500
+++ linux-2.6.10/arch/xen/i386/kernel/traps.c   2005-02-07 13:42:06.916872679 
-0500
@@ -947,7 +947,7 @@ asmlinkage void math_state_restore(struc
                return;

        clts();         /* Allow maths ops (or we recurse) */
-       if (!tsk->used_math)
+       if (tsk_used_math(tsk))
                init_fpu(tsk);
        restore_fpu(tsk);
        thread->status |= TS_USEDFPU;        /* So we fnsave on switch_to() */


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