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Diffstat (limited to 'arch/mips/loongson/loongson-3/cop2-ex.c')
-rw-r--r--arch/mips/loongson/loongson-3/cop2-ex.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/mips/loongson/loongson-3/cop2-ex.c b/arch/mips/loongson/loongson-3/cop2-ex.c
index 9182e8d2967c..b03e37d2071a 100644
--- a/arch/mips/loongson/loongson-3/cop2-ex.c
+++ b/arch/mips/loongson/loongson-3/cop2-ex.c
@@ -22,13 +22,13 @@
22static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action, 22static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action,
23 void *data) 23 void *data)
24{ 24{
25 int fpu_enabled; 25 int fpu_owned;
26 int fr = !test_thread_flag(TIF_32BIT_FPREGS); 26 int fr = !test_thread_flag(TIF_32BIT_FPREGS);
27 27
28 switch (action) { 28 switch (action) {
29 case CU2_EXCEPTION: 29 case CU2_EXCEPTION:
30 preempt_disable(); 30 preempt_disable();
31 fpu_enabled = read_c0_status() & ST0_CU1; 31 fpu_owned = __is_fpu_owner();
32 if (!fr) 32 if (!fr)
33 set_c0_status(ST0_CU1 | ST0_CU2); 33 set_c0_status(ST0_CU1 | ST0_CU2);
34 else 34 else
@@ -39,8 +39,8 @@ static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action,
39 KSTK_STATUS(current) |= ST0_FR; 39 KSTK_STATUS(current) |= ST0_FR;
40 else 40 else
41 KSTK_STATUS(current) &= ~ST0_FR; 41 KSTK_STATUS(current) &= ~ST0_FR;
42 /* If FPU is enabled, we needn't init or restore fp */ 42 /* If FPU is owned, we needn't init or restore fp */
43 if(!fpu_enabled) { 43 if (!fpu_owned) {
44 set_thread_flag(TIF_USEDFPU); 44 set_thread_flag(TIF_USEDFPU);
45 if (!used_math()) { 45 if (!used_math()) {
46 _init_fpu(); 46 _init_fpu();