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SubjectRe: [PATCH v3] powerpc/32s: reorder Linux PTE bits to better match Hash PTE bits.
Date
On Tue, 2020-03-10 at 17:29:12 UTC, Christophe Leroy wrote:
> Reorder Linux PTE bits to (almost) match Hash PTE bits.
>
> RW Kernel : PP = 00
> RO Kernel : PP = 00
> RW User : PP = 01
> RO User : PP = 11
>
> So naturally, we should have
> _PAGE_USER = 0x001
> _PAGE_RW = 0x002
>
> Today 0x001 and 0x002 and _PAGE_PRESENT and _PAGE_HASHPTE which
> both are software only bits.
>
> Switch _PAGE_USER and _PAGE_PRESET
> Switch _PAGE_RW and _PAGE_HASHPTE
>
> This allows to remove a few insns.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/697ece78f8f749aeea40f2711389901f0974017a

cheers

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