Re: [PATCH] sh: switch to NO_BOOTMEM

[Rob Herring]

On Fri, May 11, 2018 at 10:02 AM, Rich Felker <dalias@xxxxxxxx> wrote:
> On Fri, May 11, 2018 at 08:45:59AM -0500, Rob Herring wrote:
>> Commit 0fa1c579349f ("of/fdt: use memblock_virt_alloc for early alloc")
>> inadvertently switched the DT unflattening allocations from memblock to
>> bootmem which doesn't work because the unflattening happens before
>> bootmem is initialized. Swapping the order of bootmem init and
>> unflattening could also fix this, but removing bootmem is desired. So
>> enable NO_BOOTMEM on SH like other architectures have done.
>>
>> Fixes: 0fa1c579349f ("of/fdt: use memblock_virt_alloc for early alloc")
>> Reported-by: Rich Felker <dalias@xxxxxxxx>
>> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
>> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
>> ---
>> This is compile tested only, but similar to microblaze and h8300
>> conversions. The additional complexity for SH is NUMA support (which to
>> me looks like an abuse of NUMA support to map a small amount of
>> on-chip? RAM to NUMA nodes).
>
> Thanks! I was just reading the corresponding microblaze commit, and
> think this approach makes sense. I'll test it now with both DT and
> non-DT sh systems and let you know if it works. If it's good would you
> like me to send it upstream via arch/sh? I already have 2
> regression-fix patches to submit in a pull request asap.

Yes, please do.

Rob