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SubjectRe: [PATCH 0/5] PPC32/ioremap: Use memblock API to check for RAM
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Le 22/02/2018 à 13:15, Jonathan Neuschäfer a écrit :
> This patchset solves the same problem as my previous one[1] but follows
> a rather different approach. Instead of implementing DISCONTIGMEM for
> PowerPC32, I simply switched the "is this RAM" check in __ioremap_caller
> to the existing page_is_ram function, and unified page_is_ram to search
> memblock.memory on PPC64 and PPC32.
>
> The intended result is, as before, that my Wii can allocate the MMIO
> range of its GPIO controller, which was previously not possible, because
> the reserved memory hack (__allow_ioremap_reserved) didn't affect the
> API in kernel/resource.c.
>
> Thanks to Christophe Leroy for reviewing the previous patchset.

I tested your new serie, it doesn't break my 8xx so it is OK for me.

Christophe

>
> [1]: https://www.spinics.net/lists/kernel/msg2726786.html
>
> Jonathan Neuschäfer (5):
> powerpc: mm: Simplify page_is_ram by using memblock_is_memory
> powerpc: mm: Use memblock API for PPC32 page_is_ram
> powerpc/mm/32: Use page_is_ram to check for RAM
> powerpc: wii: Don't rely on the reserved memory hack
> powerpc/mm/32: Remove the reserved memory hack
>
> arch/powerpc/mm/init_32.c | 5 -----
> arch/powerpc/mm/mem.c | 12 +-----------
> arch/powerpc/mm/mmu_decl.h | 1 -
> arch/powerpc/mm/pgtable_32.c | 4 +---
> arch/powerpc/platforms/embedded6xx/wii.c | 14 +-------------
> 5 files changed, 3 insertions(+), 33 deletions(-)
>

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