/* * 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
