[linux-block.git] / arch / powerpc / include / asm / fpu.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2023 SiFive
 */

#ifndef _ASM_POWERPC_FPU_H
#define _ASM_POWERPC_FPU_H

#include <linux/preempt.h>

#include <asm/cpu_has_feature.h>
#include <asm/switch_to.h>

#define kernel_fpu_available()	(!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE))

static inline void kernel_fpu_begin(void)
{
	preempt_disable();
	enable_kernel_fp();
}

static inline void kernel_fpu_end(void)
{
	disable_kernel_fp();
	preempt_enable();
}

#endif /* ! _ASM_POWERPC_FPU_H */
Commit	Line	Data
01db473e SH	1	/* SPDX-License-Identifier: GPL-2.0-only */
	2	/*
	3	* Copyright (C) 2023 SiFive
	4	*/
	5
	6	#ifndef _ASM_POWERPC_FPU_H
	7	#define _ASM_POWERPC_FPU_H
	8
	9	#include <linux/preempt.h>
	10
	11	#include <asm/cpu_has_feature.h>
	12	#include <asm/switch_to.h>
	13
	14	#define kernel_fpu_available() (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE))
	15
	16	static inline void kernel_fpu_begin(void)
	17	{
	18	preempt_disable();
	19	enable_kernel_fp();
	20	}
	21
	22	static inline void kernel_fpu_end(void)
	23	{
	24	disable_kernel_fp();
	25	preempt_enable();
	26	}
	27
	28	#endif /* ! _ASM_POWERPC_FPU_H */