|
Lines 40-54
Link Here
|
| 40 |
#define kfpu_allowed() 1 |
40 |
#define kfpu_allowed() 1 |
| 41 |
#define kfpu_initialize(tsk) do {} while (0) |
41 |
#define kfpu_initialize(tsk) do {} while (0) |
| 42 |
|
42 |
|
| 43 |
#define kfpu_begin() { \ |
43 |
#define kfpu_begin() fpu_kern_enter(curthread, NULL, FPU_KERN_NOCTX) |
| 44 |
if (__predict_false(!is_fpu_kern_thread(0))) \ |
44 |
#define kfpu_end() fpu_kern_leave(curthread, NULL) |
| 45 |
fpu_kern_enter(curthread, NULL, FPU_KERN_NOCTX);\ |
|
|
| 46 |
} |
| 47 |
|
| 48 |
#define kfpu_end() { \ |
| 49 |
if (__predict_false(curpcb->pcb_flags & PCB_FPUNOSAVE)) \ |
| 50 |
fpu_kern_leave(curthread, NULL); \ |
| 51 |
} |
| 52 |
|
45 |
|
| 53 |
/* |
46 |
/* |
| 54 |
* Check if OS supports AVX and AVX2 by checking XCR0 |
47 |
* Check if OS supports AVX and AVX2 by checking XCR0 |