On Thu, Nov 17, 2011 at 05:16:09AM -0600, Li Yang-R58472 wrote:
>
>
> >Cc: linuxppc-dev@lists.ozlabs.org; Li Yang-R58472
> >Subject: Re: [PATCH v2 2/7] powerpc/85xx: add HOTPLUG_CPU support
> >
> >On 11/16/2011 03:55 AM, Zhao Chenhui wrote:
> >> +static vo
>Cc: linuxppc-dev@lists.ozlabs.org; Li Yang-R58472
>Subject: Re: [PATCH v2 2/7] powerpc/85xx: add HOTPLUG_CPU support
>
>On 11/16/2011 03:55 AM, Zhao Chenhui wrote:
>> +static void __cpuinit smp_85xx_mach_cpu_die(void) {
>> +unsigned int cpu = smp_processor_id();
On 11/16/2011 03:55 AM, Zhao Chenhui wrote:
> +static void __cpuinit smp_85xx_mach_cpu_die(void)
> +{
> + unsigned int cpu = smp_processor_id();
> + register u32 tmp;
> +
> + local_irq_disable();
> + idle_task_exit();
> + generic_set_cpu_dead(cpu);
> + mb();
> +
> + mtsp
From: Li Yang
Add support to disable and re-enable individual cores at runtime
on MPC85xx/QorIQ SMP machines. Currently support e500v2 core.
MPC85xx machines use ePAPR spin-table in boot page for CPU kick-off.
This patch uses the boot page from bootloader to boot core at runtime.
It supports 32-
