[PATCH 8/9] powerpc/mm/book3s-64: Move software-used bits in PTE

2016-02-21 Thread Paul Mackerras
From: Paul Mackerras This moves the _PAGE_SPECIAL and _PAGE_SOFT_DIRTY bits in the Linux PTE on 64-bit Book 3S systems to bit positions which are designated for software use in the radix PTE format used by PowerISA v3.0 CPUs in radix mode. Signed-off-by: Paul Mackerras --- arch/powerpc/include

[RFC PATCH 8/9] powerpc/mm/book3s-64: Move software-used bits in PTE

2016-02-19 Thread Paul Mackerras via Linuxppc-dev
This moves the _PAGE_BUSY, _PAGE_SPECIAL and _PAGE_SOFT_DIRTY bits in the Linux PTE on 64-bit Book 3S systems to bit positions which are designated for software use in the radix PTE format used by PowerISA v3.0 CPUs in radix mode. Signed-off-by: Paul Mackerras --- arch/powerpc/include/asm/book3s