linux/arch/x86/kernel/cpu/cpuid-deps.c

/* Declare dependencies between CPUIDs */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <asm/cpufeature.h>

struct cpuid_dep { … };

/*
 * Table of CPUID features that depend on others.
 *
 * This only includes dependencies that can be usefully disabled, not
 * features part of the base set (like FPU).
 *
 * Note this all is not __init / __initdata because it can be
 * called from cpu hotplug. It shouldn't do anything in this case,
 * but it's difficult to tell that to the init reference checker.
 */
static const struct cpuid_dep cpuid_deps[] = …;

static inline void clear_feature(struct cpuinfo_x86 *c, unsigned int feature)
{ … }

/* Take the capabilities and the BUG bits into account */
#define MAX_FEATURE_BITS …

static void do_clear_cpu_cap(struct cpuinfo_x86 *c, unsigned int feature)
{ … }

void clear_cpu_cap(struct cpuinfo_x86 *c, unsigned int feature)
{ … }

void setup_clear_cpu_cap(unsigned int feature)
{ … }