Re: [Patch] libffi: Add MIPS64 support.

[Richard Sandiford <richard at codesourcery dot com>]

David Daney <ddaney@avtrex.com> writes:
> In the first case, you are probably correct. We are copying the pointer 
> into a wider  type.   In practice it does not matter because all valid 
> user space pointers have the high bit clear so there would never be a 
> case where the not sign extending would produce a different result than 
> if you did sign extend.

Ah, so we don't support running libffi from kernel space?  I was assuming
we needed to cope with both.  If we don't, it is indeed a non-issue.

Richard