On Mon, 4 Apr 2005, Li Shaohua wrote:
> Clean up all CPU states including its runqueue and idle thread,
> so we can use boot time code without any changes.
> Note this makes /sys/devices/system/cpu/cpux/online unworkable.
>
> #ifdef CONFIG_HOTPLUG_CPU
> #include <asm/nmi.h>
> +
> +#ifdef CONFIG_STR_SMP
> +extern void cpu_exit_clear(int);
> +#endif
Perhaps change that ifdef to denote something which clearly shows that its
physical hotplug as we'll need this for other users too.
> +#ifdef CONFIG_STR_SMP
> +extern void do_exit_idle(void);
> +extern void cpu_uninit(void);
> +void cpu_exit_clear(int cpu)
> +{
> + int sibling;
> + cpucount --;
Is that protected by the cpu_control semaphore?
Thanks,
Zwane
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