Re: [PATCH 0/8] Update kernel uabi header files for x32

From: H. Peter Anvin
Date: Sat Dec 28 2013 - 12:02:17 EST


On 12/28/2013 08:33 AM, Christoph Hellwig wrote:
>
> Independent on how this fixes things, how does the kernel_long_t name
> here make any sense?
>
> On x86-64 "kernel" long always is 64 bits wide. The userspace ABI long
> might be 32 or 64bits wide.
>
> Currently kernel_long_t has almost no uses, so it might be a good time
> to fix the name, define the rules for it, and last but not least
> properly document the intent for thse types.
>

The definition is "an integer type the same width as 'long' for the
native kernel type for the ABI". If you have any suggestions for a
better name, or for that matter, a better alternative, that would be
genuinely appreciated...

-hpa

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