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| author | Tony Lindgren <tony@atomide.com> | 2020-04-21 19:36:03 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2020-04-21 19:36:03 +0300 |
| commit | 175ae3ad59ab3459652bd2ae3bbc1785aeba1bf3 (patch) | |
| tree | c7fd682de61e3c2a6cc3ba0e8881b99fafdf969c /include/linux/cpu.h | |
| parent | 07bdc492cff6f555538df95e9812fe72e16d154a (diff) | |
| parent | 90d4d3f4ea45370d482fa609dbae4d2281b4074f (diff) | |
| download | linux-175ae3ad59ab3459652bd2ae3bbc1785aeba1bf3.tar.xz | |
Merge branch 'fixes-v5.7' into fixes
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 1ca2baf817ed..beaed2dc269e 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -88,10 +88,13 @@ extern ssize_t arch_cpu_release(const char *, size_t); #ifdef CONFIG_SMP extern bool cpuhp_tasks_frozen; -int cpu_up(unsigned int cpu); +int add_cpu(unsigned int cpu); +int cpu_device_up(struct device *dev); void notify_cpu_starting(unsigned int cpu); extern void cpu_maps_update_begin(void); extern void cpu_maps_update_done(void); +int bringup_hibernate_cpu(unsigned int sleep_cpu); +void bringup_nonboot_cpus(unsigned int setup_max_cpus); #else /* CONFIG_SMP */ #define cpuhp_tasks_frozen 0 @@ -117,7 +120,9 @@ extern void lockdep_assert_cpus_held(void); extern void cpu_hotplug_disable(void); extern void cpu_hotplug_enable(void); void clear_tasks_mm_cpumask(int cpu); -int cpu_down(unsigned int cpu); +int remove_cpu(unsigned int cpu); +int cpu_device_down(struct device *dev); +extern void smp_shutdown_nonboot_cpus(unsigned int primary_cpu); #else /* CONFIG_HOTPLUG_CPU */ @@ -129,6 +134,7 @@ static inline int cpus_read_trylock(void) { return true; } static inline void lockdep_assert_cpus_held(void) { } static inline void cpu_hotplug_disable(void) { } static inline void cpu_hotplug_enable(void) { } +static inline void smp_shutdown_nonboot_cpus(unsigned int primary_cpu) { } #endif /* !CONFIG_HOTPLUG_CPU */ /* Wrappers which go away once all code is converted */ @@ -138,12 +144,18 @@ static inline void get_online_cpus(void) { cpus_read_lock(); } static inline void put_online_cpus(void) { cpus_read_unlock(); } #ifdef CONFIG_PM_SLEEP_SMP -extern int freeze_secondary_cpus(int primary); +int __freeze_secondary_cpus(int primary, bool suspend); +static inline int freeze_secondary_cpus(int primary) +{ + return __freeze_secondary_cpus(primary, true); +} + static inline int disable_nonboot_cpus(void) { - return freeze_secondary_cpus(0); + return __freeze_secondary_cpus(0, false); } -extern void enable_nonboot_cpus(void); + +void enable_nonboot_cpus(void); static inline int suspend_disable_secondary_cpus(void) { |