simd.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 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 */
17static __must_check inline bool may_use_simd(void)
18{
19	return !in_interrupt();
20}
21
22#endif	/* _ASM_GENERIC_SIMD_H */