diff options
Diffstat (limited to 'include/asm-i386/i387.h')
| -rw-r--r-- | include/asm-i386/i387.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/include/asm-i386/i387.h b/include/asm-i386/i387.h index 434936c732d6..cdd1e248e3b4 100644 --- a/include/asm-i386/i387.h +++ b/include/asm-i386/i387.h | |||
| @@ -74,17 +74,18 @@ static inline void __save_init_fpu( struct task_struct *tsk ) | |||
| 74 | task_thread_info(tsk)->status &= ~TS_USEDFPU; | 74 | task_thread_info(tsk)->status &= ~TS_USEDFPU; |
| 75 | } | 75 | } |
| 76 | 76 | ||
| 77 | #define __unlazy_fpu( tsk ) do { \ | 77 | #define __unlazy_fpu( tsk ) do { \ |
| 78 | if (task_thread_info(tsk)->status & TS_USEDFPU) \ | 78 | if (task_thread_info(tsk)->status & TS_USEDFPU) { \ |
| 79 | save_init_fpu( tsk ); \ | 79 | __save_init_fpu(tsk); \ |
| 80 | else \ | 80 | stts(); \ |
| 81 | tsk->fpu_counter = 0; \ | 81 | } else \ |
| 82 | tsk->fpu_counter = 0; \ | ||
| 82 | } while (0) | 83 | } while (0) |
| 83 | 84 | ||
| 84 | #define __clear_fpu( tsk ) \ | 85 | #define __clear_fpu( tsk ) \ |
| 85 | do { \ | 86 | do { \ |
| 86 | if (task_thread_info(tsk)->status & TS_USEDFPU) { \ | 87 | if (task_thread_info(tsk)->status & TS_USEDFPU) { \ |
| 87 | asm volatile("fnclex ; fwait"); \ | 88 | asm volatile("fnclex ; fwait"); \ |
| 88 | task_thread_info(tsk)->status &= ~TS_USEDFPU; \ | 89 | task_thread_info(tsk)->status &= ~TS_USEDFPU; \ |
| 89 | stts(); \ | 90 | stts(); \ |
| 90 | } \ | 91 | } \ |
| @@ -113,7 +114,7 @@ static inline void save_init_fpu( struct task_struct *tsk ) | |||
| 113 | __clear_fpu( tsk ); \ | 114 | __clear_fpu( tsk ); \ |
| 114 | preempt_enable(); \ | 115 | preempt_enable(); \ |
| 115 | } while (0) | 116 | } while (0) |
| 116 | \ | 117 | |
| 117 | /* | 118 | /* |
| 118 | * FPU state interaction... | 119 | * FPU state interaction... |
| 119 | */ | 120 | */ |