fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-mips / fpu.h

diff --git a/include/asm-mips/fpu.h b/include/asm-mips/fpu.h
index 6cb38d5..efef843 100644 (file)
--- a/include/asm-mips/fpu.h
+++ b/include/asm-mips/fpu.h
@@ -10,7 +10,6 @@
 #ifndef _ASM_FPU_H
 #define _ASM_FPU_H
 
-#include <linux/config.h>
 #include <linux/sched.h>
 #include <linux/thread_info.h>
 
@@ -21,6 +20,10 @@
 #include <asm/processor.h>
 #include <asm/current.h>
 
+#ifdef CONFIG_MIPS_MT_FPAFF
+#include <asm/mips_mt.h>
+#endif
+
 struct sigcontext;
 struct sigcontext32;
 
@@ -80,9 +83,14 @@ do {                                                                 \
 
 #define clear_fpu_owner()      clear_thread_flag(TIF_USEDFPU)
 
+static inline int __is_fpu_owner(void)
+{
+       return test_thread_flag(TIF_USEDFPU);
+}
+
 static inline int is_fpu_owner(void)
 {
-       return cpu_has_fpu && test_thread_flag(TIF_USEDFPU); 
+       return cpu_has_fpu && __is_fpu_owner();
 }
 
 static inline void own_fpu(void)
@@ -90,7 +98,7 @@ static inline void own_fpu(void)
        if (cpu_has_fpu) {
                __enable_fpu();
                KSTK_STATUS(current) |= ST0_CU1;
-               set_thread_flag(TIF_USEDFPU); 
+               set_thread_flag(TIF_USEDFPU);
        }
 }
 
@@ -98,7 +106,7 @@ static inline void lose_fpu(void)
 {
        if (cpu_has_fpu) {
                KSTK_STATUS(current) &= ~ST0_CU1;
-               clear_thread_flag(TIF_USEDFPU); 
+               clear_thread_flag(TIF_USEDFPU);
                __disable_fpu();
        }
 }
@@ -126,13 +134,14 @@ static inline void restore_fp(struct task_struct *tsk)
 
 static inline fpureg_t *get_fpu_regs(struct task_struct *tsk)
 {
-       if (cpu_has_fpu) {
-               if ((tsk == current) && is_fpu_owner()) 
+       if (tsk == current) {
+               preempt_disable();
+               if (is_fpu_owner())
                        _save_fp(current);
-               return tsk->thread.fpu.hard.fpr;
+               preempt_enable();
        }
 
-       return tsk->thread.fpu.soft.fpr;
+       return tsk->thread.fpu.fpr;
 }
 
 #endif /* _ASM_FPU_H */