diff options
Diffstat (limited to 'arch/arm64/include/asm/cpu_ops.h')
| -rw-r--r-- | arch/arm64/include/asm/cpu_ops.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/cpu_ops.h b/arch/arm64/include/asm/cpu_ops.h index 1a98dbfc4a5..c4cdb5e5b73 100644 --- a/arch/arm64/include/asm/cpu_ops.h +++ b/arch/arm64/include/asm/cpu_ops.h @@ -34,6 +34,11 @@ struct device_node; * @cpu_boot: Boots a cpu into the kernel. * @cpu_postboot: Optionally, perform any post-boot cleanup or necesary * synchronisation. Called from the cpu being booted. + * @cpu_disable: Prepares a cpu to die. May fail for some mechanism-specific + * reason, which will cause the hot unplug to be aborted. Called + * from the cpu to be killed. + * @cpu_die: Makes a cpu leave the kernel. Must not fail. Called from the + * cpu being killed. */ struct cpu_operations { const char *name; @@ -41,6 +46,10 @@ struct cpu_operations { int (*cpu_prepare)(unsigned int); int (*cpu_boot)(unsigned int); void (*cpu_postboot)(void); +#ifdef CONFIG_HOTPLUG_CPU + int (*cpu_disable)(unsigned int cpu); + void (*cpu_die)(unsigned int cpu); +#endif }; extern const struct cpu_operations *cpu_ops[NR_CPUS]; |