Cregit: Linux 5.16: vdso.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Palmer Dabbelt	22	53.66%	2	22.22%
tongtiangen	12	29.27%	3	33.33%
Thomas Gleixner	2	4.88%	1	11.11%
Andrew Waterman	2	4.88%	1	11.11%
Vincent Chen	2	4.88%	1	11.11%
Saleem Abdulrasool	1	2.44%	1	11.11%
Total	41		9

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2012 ARM Limited
 * Copyright (C) 2014 Regents of the University of California
 * Copyright (C) 2017 SiFive
 */

#ifndef _ASM_RISCV_VDSO_H
#define _ASM_RISCV_VDSO_H

/*
 * All systems with an MMU have a VDSO, but systems without an MMU don't
 * support shared libraries and therefor don't have one.
 */
#ifdef CONFIG_MMU

#define __VVAR_PAGES    2

#ifndef __ASSEMBLY__
#include <generated/vdso-offsets.h>

#define VDSO_SYMBOL(base, name)							\
	(void __user *)((unsigned long)(base) + __vdso_##name##_offset)
#endif /* !__ASSEMBLY__ */

#endif /* CONFIG_MMU */

#endif /* _ASM_RISCV_VDSO_H */