diff options
Diffstat (limited to 'arch/riscv/include/asm/smp.h')
| -rw-r--r-- | arch/riscv/include/asm/smp.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/riscv/include/asm/smp.h b/arch/riscv/include/asm/smp.h index 41aa73b476f4..636a934f013a 100644 --- a/arch/riscv/include/asm/smp.h +++ b/arch/riscv/include/asm/smp.h @@ -19,16 +19,17 @@ #include <linux/thread_info.h> #define INVALID_HARTID ULONG_MAX + +struct seq_file; +extern unsigned long boot_cpu_hartid; + +#ifdef CONFIG_SMP /* * Mapping between linux logical cpu index and hartid. */ extern unsigned long __cpuid_to_hartid_map[NR_CPUS]; #define cpuid_to_hartid_map(cpu) __cpuid_to_hartid_map[cpu] -struct seq_file; - -#ifdef CONFIG_SMP - /* print IPI stats */ void show_ipi_stats(struct seq_file *p, int prec); @@ -58,7 +59,14 @@ static inline void show_ipi_stats(struct seq_file *p, int prec) static inline int riscv_hartid_to_cpuid(int hartid) { - return 0; + if (hartid == boot_cpu_hartid) + return 0; + + return -1; +} +static inline unsigned long cpuid_to_hartid_map(int cpu) +{ + return boot_cpu_hartid; } static inline void riscv_cpuid_to_hartid_mask(const struct cpumask *in, |