Ralf,
The problem in asm-mips/addrspace.h when including
<spaces.h> is different. The problem is the path.
spaces.h lives in asm-mips/mach-generic,
Only when compiling kernel, asm-mips/mach-generic
is in the include path, because arch/mips/Makefile
defines it.
However, when compiling the user-space apps, they
don't know how to find spaces.h when they indirectly
include <asm/addrspace.h>
-Song
--- Ralf Baechle <ralf@linux-mips.org> wrote:
> On Tue, Jul 20, 2004 at 05:03:56PM -0700, Song Wang
> wrote:
>
> > Should #ifdef _KERNEL__ be added before #include
> > <spaces.h> in asm-mips/addrspace.h?
> >
> > I think the reason is the same as when you added
> > the #ifdef __KERNEL__ before #include <spaces.h>
> > for asm-mips/page.h.
>
> Some userspace software is expecting to get
> PAGE_SHIFT, PAGE_SIZE and
> PAGE_MASK to be available in userspace via
> <asm/page.h>, so I
> protected the inclusion of <asm/spaces.h> with
> __KERNEL__ but left
> the definitions of these symbols unprotected.
>
> Ralf
>
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