s390/module: enable generic CPU feature modalias using s390 ELF hwcaps

	select CLONE_BACKWARDS2

	select DYNAMIC_FTRACE if FUNCTION_TRACER

	select GENERIC_CLOCKEVENTS

	select GENERIC_CPU_AUTOPROBE

	select GENERIC_CPU_DEVICES if !SMP

	select GENERIC_FIND_FIRST_BIT

	select GENERIC_SMP_IDLE_THREAD

/*

 * Module interface for CPU features

 *

 * Copyright IBM Corp. 2015

 * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>

 */

#ifndef __ASM_S390_CPUFEATURE_H

#define __ASM_S390_CPUFEATURE_H

#include <asm/elf.h>

/* Hardware features on Linux on z Systems are indicated by facility bits that

 * are mapped to the so-called machine flags.  Particular machine flags are

 * then used to define ELF hardware capabilities; most notably hardware flags

 * that are essential for user space / glibc.

 *

 * Restrict the set of exposed CPU features to ELF hardware capabilities for

 * now.  Additional machine flags can be indicated by values larger than

 * MAX_ELF_HWCAP_FEATURES.

 */

#define MAX_ELF_HWCAP_FEATURES	(8 * sizeof(elf_hwcap))

#define MAX_CPU_FEATURES	MAX_ELF_HWCAP_FEATURES

#define cpu_feature(feat)	ilog2(HWCAP_S390_ ## feat)

int cpu_have_feature(unsigned int nr);

#endif /* __ASM_S390_CPUFEATURE_H */

	enter_lazy_tlb(&init_mm, current);

}

/*

 * cpu_have_feature - Test CPU features on module initialization

 */

int cpu_have_feature(unsigned int num)

{

	return elf_hwcap & (1UL << num);

}

EXPORT_SYMBOL(cpu_have_feature);

/*

 * show_cpuinfo - Get information on one CPU for use by procfs.

 */

unsigned int console_irq = -1;

EXPORT_SYMBOL(console_irq);

unsigned long elf_hwcap = 0;

unsigned long elf_hwcap __read_mostly = 0;

char elf_platform[ELF_PLATFORM_SIZE];

int __initdata memory_end_set;