Re: [PATCH] Workaround for a sparse warning in include/asm-mips/io.h

[Ralf Baechle <ralf@linux-mips.org>]

On Wed, Jul 11, 2007 at 11:54:20PM +0900, Atsushi Nemoto wrote:

> Yes, adding 'L' to KSEG1 is another way to silence the warnings.  But
> I just thought it was a bit intrusive.  And I'm not sure all code are
> OK if KSEG1 is 'signed' ...

The MIPS architecture's idea of the 32 and 64-bit address space is that
32-bit addresses can be sign-extended to 64-bit addresses.  This if of
course conflicting with the general Linux idea that virtual addresses are
represented as an unsigned long.

  Ralf