xref: /linux/include/asm-generic/simd.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #include <linux/hardirq.h>
4 
5 /*
6  * may_use_simd - whether it is allowable at this time to issue SIMD
7  *                instructions or access the SIMD register file
8  *
9  * As architectures typically don't preserve the SIMD register file when
10  * taking an interrupt, !in_interrupt() should be a reasonable default.
11  */
12 static __must_check inline bool may_use_simd(void)
13 {
14 	return !in_interrupt();
15 }
16