RE: [PATCH] acpi: Handle cpu_index greater than 256 properly in processor_core.c

["Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>]

>-----Original Message-----
>From: Ingo Oeser [mailto:ioe-lkml@rameria.de] 
>Sent: Saturday, August 27, 2005 5:23 AM
>To: Pallipadi, Venkatesh
>Cc: linux-kernel; Andrew Morton; Brown, Len
>Subject: Re: [PATCH] acpi: Handle cpu_index greater than 256 
>properly in processor_core.c
>
>Hi Venkatesh,
>
>On Saturday 27 August 2005 02:07, Venkatesh Pallipadi wrote:
>> Fix convert_acpiid_to_cpu function to handle cpu_index 
>greater than 256. This 
>> patch also prevents a warning in IA64 cross-compile of this file 
>> (drivers/acpi/processor_core.c:517: warning: comparison is 
>always false due 
>> to limited range of data type).
>
>Why don't you just change the datatype to "unsigned int" and 
>the return failure value to NR_CPUS?
>
>That reduces the code changes and leaves the code quite clear.
>It should also reduce compiled code size by some bytes, but I'm not
>sure about that one.
>

Yes. It can be done. But to me, the current patch is more cleaner. 
I don't think we should mix up the cpu_index and error return value. 

Thanks,
Venki

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