arch_data.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __RISCV_ASM_VDSO_ARCH_DATA_H
 3#define __RISCV_ASM_VDSO_ARCH_DATA_H
 4
 5#include <linux/types.h>
 6#include <vdso/datapage.h>
 7#include <asm/hwprobe.h>
 8
 9struct vdso_arch_data {
10	/* Stash static answers to the hwprobe queries when all CPUs are selected. */
11	__u64 all_cpu_hwprobe_values[RISCV_HWPROBE_MAX_KEY + 1];
12
13	/* Boolean indicating all CPUs have the same static hwprobe values. */
14	__u8 homogeneous_cpus;
15
16	/*
17	 * A gate to check and see if the hwprobe data is actually ready, as
18	 * probing is deferred to avoid boot slowdowns.
19	 */
20	__u8 ready;
21};
22
23#endif /* __RISCV_ASM_VDSO_ARCH_DATA_H */