simd.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_SIMD_H
 3#define _ASM_SIMD_H
 4
 5#include <linux/cleanup.h>
 6#include <linux/compiler_attributes.h>
 7#include <linux/preempt.h>
 8#include <linux/types.h>
 9
10#include <asm/neon.h>
11
12static __must_check inline bool may_use_simd(void)
13{
14	return IS_ENABLED(CONFIG_KERNEL_MODE_NEON) && !in_hardirq()
15	       && !irqs_disabled();
16}
17
18DEFINE_LOCK_GUARD_0(ksimd, kernel_neon_begin(), kernel_neon_end())
19
20#define scoped_ksimd()	scoped_guard(ksimd)
21
22#endif	/* _ASM_SIMD_H */