| 1 |
|
| 2 | #ifndef _ASM_GENERIC_SIMD_H
|
| 3 | #define _ASM_GENERIC_SIMD_H
|
| 4 |
|
| 5 | #include <linux/compiler_attributes.h>
|
| 6 | #include <linux/preempt.h>
|
| 7 | #include <linux/sched.h>
|
| 8 | #include <linux/types.h>
|
| 9 |
|
| 10 | |
| 11 | * may_use_simd - whether it is allowable at this time to issue SIMD
|
| 12 | * instructions or access the SIMD register file
|
| 13 | *
|
| 14 | * As architectures typically don't preserve the SIMD register file when
|
| 15 | * taking an interrupt, !in_interrupt() should be a reasonable default.
|
| 16 |
|
| 17 | static __must_check inline bool may_use_simd(void)
|
| 18 | {
|
| 19 | return !in_interrupt();
|
| 20 | }
|
| 21 |
|
| 22 | #endif
|