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v0.5.2
https://github.com/torvalds/linux
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Tip revision: 7daf201d7fe8334e2d2364d4e8ed3394ec9af819 authored by Linus Torvalds on 24 June 2018, 12:54:29 UTC
Linux 4.18-rc2
Tip revision: 7daf201
cpufeature.h
/*
 * CPU feature definitions for module loading, used by
 * module_cpu_feature_match(), see uapi/asm/hwcap.h for MIPS CPU features.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#ifndef __ASM_CPUFEATURE_H
#define __ASM_CPUFEATURE_H

#include <uapi/asm/hwcap.h>
#include <asm/elf.h>

#define MAX_CPU_FEATURES (8 * sizeof(elf_hwcap))

#define cpu_feature(x)		ilog2(HWCAP_ ## x)

static inline bool cpu_have_feature(unsigned int num)
{
	return elf_hwcap & (1UL << num);
}

#endif /* __ASM_CPUFEATURE_H */
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