diff options
Diffstat (limited to 'arch/riscv/include/asm/vdso/arch_data.h')
| -rw-r--r-- | arch/riscv/include/asm/vdso/arch_data.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/vdso/arch_data.h b/arch/riscv/include/asm/vdso/arch_data.h new file mode 100644 index 000000000000..88b37af55175 --- /dev/null +++ b/arch/riscv/include/asm/vdso/arch_data.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __RISCV_ASM_VDSO_ARCH_DATA_H +#define __RISCV_ASM_VDSO_ARCH_DATA_H + +#include <linux/types.h> +#include <vdso/datapage.h> +#include <asm/hwprobe.h> + +struct vdso_arch_data { + /* Stash static answers to the hwprobe queries when all CPUs are selected. */ + __u64 all_cpu_hwprobe_values[RISCV_HWPROBE_MAX_KEY + 1]; + + /* Boolean indicating all CPUs have the same static hwprobe values. */ + __u8 homogeneous_cpus; + + /* + * A gate to check and see if the hwprobe data is actually ready, as + * probing is deferred to avoid boot slowdowns. + */ + __u8 ready; +}; + +#endif /* __RISCV_ASM_VDSO_ARCH_DATA_H */ |