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

>-----Original Message-----
>From: Ingo Oeser []
>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.


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