Re: [BUG, REGRESSION] ACPI: Set _PDC

[Jan Pogadl <pogadl.jan@googlemail.com>]

On Thursday 17 June 2010 05:24:14 Alex Chiang wrote:

> > with commit commit 5d554a7bb0643a6151a84319bfeba8270bf5269e (ACPI: processor: 
> > add internal processor_physically_present()) a new function got introduced which 
> > always fails on machines with CONFIG_SMP disabled. Thus _PDC will never be 
> > initialized? set?. 
 
> Does this patch fix it?

works great 
thanks

> ---
> diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
> index 5128435..bcf0cf8 100644
> --- a/drivers/acpi/processor_core.c
> +++ b/drivers/acpi/processor_core.c
> @@ -223,7 +223,7 @@ static bool processor_physically_present(acpi_handle handle)
>  	type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0;
>  	cpuid = acpi_get_cpuid(handle, type, acpi_id);
>  
> -	if (cpuid == -1)
> +	if ((cpuid == -1) && (num_online_cpus() > 1))
>  		return false;
>  
>  	return true;
>