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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2023 SiFive
4 */
5
6#ifndef __ASM_FPU_H
7#define __ASM_FPU_H
8
9#include <linux/preempt.h>
10#include <asm/neon.h>
11
12#define kernel_fpu_available() cpu_has_neon()
13
14static inline void kernel_fpu_begin(void)
15{
16 BUG_ON(!in_task());
17 preempt_disable();
18 kernel_neon_begin(NULL);
19}
20
21static inline void kernel_fpu_end(void)
22{
23 kernel_neon_end(NULL);
24 preempt_enable();
25}
26
27#endif /* ! __ASM_FPU_H */