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author | Takashi Iwai <tiwai@suse.de> | 2020-04-24 09:22:16 +0300 |
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committer | Takashi Iwai <tiwai@suse.de> | 2020-04-24 09:22:55 +0300 |
commit | 36dbae9945322e660795e73ffc8ed8ae4f25d13d (patch) | |
tree | 9e444e68380061dccfaa453d1f02cf21c5c986ef /arch/riscv/include/asm/smp.h | |
parent | 14ff6c5546e7d98f8326d9ee7a75b79de9874efb (diff) | |
parent | 0d283287a42027e8a618bcdf17b79578041ebabd (diff) | |
download | linux-36dbae9945322e660795e73ffc8ed8ae4f25d13d.tar.xz |
Merge branch 'topic/nhlt' into for-next
Merge NHLT init cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'arch/riscv/include/asm/smp.h')
-rw-r--r-- | arch/riscv/include/asm/smp.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/smp.h b/arch/riscv/include/asm/smp.h index a83451d73a4e..f4c7cfda6b7f 100644 --- a/arch/riscv/include/asm/smp.h +++ b/arch/riscv/include/asm/smp.h @@ -43,6 +43,13 @@ void riscv_cpuid_to_hartid_mask(const struct cpumask *in, struct cpumask *out); */ #define raw_smp_processor_id() (current_thread_info()->cpu) +#if defined CONFIG_HOTPLUG_CPU +int __cpu_disable(void); +void __cpu_die(unsigned int cpu); +void cpu_stop(void); +#else +#endif /* CONFIG_HOTPLUG_CPU */ + #else static inline void show_ipi_stats(struct seq_file *p, int prec) @@ -61,5 +68,22 @@ 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, + struct cpumask *out) +{ + cpumask_clear(out); + cpumask_set_cpu(boot_cpu_hartid, out); +} + #endif /* CONFIG_SMP */ + +#if defined(CONFIG_HOTPLUG_CPU) && (CONFIG_SMP) +bool cpu_has_hotplug(unsigned int cpu); +#else +static inline bool cpu_has_hotplug(unsigned int cpu) +{ + return false; +} +#endif + #endif /* _ASM_RISCV_SMP_H */ |