On Wed, Jan 24, 2018 at 12:23:05PM +1100, Michael Ellerman wrote:
> Jonathan Neuschäfer writes:
[...]
> > Do you have any pointer on how to implement discontiguous memory
> > support? CONFIG_ARCH_SPARSEMEM_ENABLE seems relevant.
>
> I'm not really sure what the key impediment to it working is.
>
Jonathan Neuschäfer writes:
> On Tue, Jan 23, 2018 at 11:58:06PM +1100, Michael Ellerman wrote:
>> Jonathan Neuschäfer writes:
>>
>> > On the Nintendo Wii, there are two ranges of physical memory, and MMIO
>> > in between, but Linux on ppc32 doesn't support discontiguous memory.
>> > Therefore
On Tue, Jan 23, 2018 at 11:58:06PM +1100, Michael Ellerman wrote:
> Jonathan Neuschäfer writes:
>
> > On the Nintendo Wii, there are two ranges of physical memory, and MMIO
> > in between, but Linux on ppc32 doesn't support discontiguous memory.
> > Therefore a hack was introduced in commit c5df7
Jonathan Neuschäfer writes:
> On the Nintendo Wii, there are two ranges of physical memory, and MMIO
> in between, but Linux on ppc32 doesn't support discontiguous memory.
> Therefore a hack was introduced in commit c5df7f775148 ("powerpc: allow
> ioremap within reserved memory regions") and comm
On the Nintendo Wii, there are two ranges of physical memory, and MMIO
in between, but Linux on ppc32 doesn't support discontiguous memory.
Therefore a hack was introduced in commit c5df7f775148 ("powerpc: allow
ioremap within reserved memory regions") and commit de32400dd26e ("wii:
use both mem1 a
