On Tue, 2009-09-22 at 20:07 +1000, Benjamin Herrenschmidt wrote:
> On Tue, 2009-09-22 at 11:29 +0200, Weirich, Bernhard wrote:
> > Hello,
> >
> > I found the cause of the problem.
> > My architecture does not define the _PAGE_SPECIAL macro, thus in
> > pte-common.h line 32, it is defined as 0
> >
On Tue, 2009-09-22 at 11:29 +0200, Weirich, Bernhard wrote:
> Hello,
>
> I found the cause of the problem.
> My architecture does not define the _PAGE_SPECIAL macro, thus in pte-common.h
> line 32, it is defined as 0
> And then in line 180, since _PAGE_SPECIAL is defined, the macro
> __HAVE_ARCH
Hello,
I use mmap to map an IO address space to user space on a PPC405EX processor.
till kernel 2.6.29 this worked without problems, since 2.6.30. I get
intimidating error messages when I do the unmap, mmap works fine, though.
BUG: Bad page map in process deviceDaemon pte:ffe3b45e pmd:0f11a400
Hello,
I found the cause of the problem.
My architecture does not define the _PAGE_SPECIAL macro, thus in pte-common.h
line 32, it is defined as 0
And then in line 180, since _PAGE_SPECIAL is defined, the macro
__HAVE_ARCH_PTE_SPECIAL is erroneously defined.
This makes any ppc architecture to ac
