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Diffstat (limited to 'arch/riscv/include/asm/smp.h')
-rw-r--r--arch/riscv/include/asm/smp.h18
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,