[PATCH 0/3] arm64: Use pte manipulation functions for THP
Catalin Marinas
catalin.marinas at arm.com
Wed Feb 12 08:47:07 EST 2014
On Wed, Feb 12, 2014 at 11:50:05AM +0000, Steve Capper wrote:
> I have noticed the following for ARM:
> 36bb94b ARM: pgtable: provide RDONLY page table bit rather than WRITE bit
> Are you happy for me to re-introduce PTE_WRITE for the 3-level code
> only, and keep L_PTE_RDONLY for the 2-level code?
But don't we create more confusion by differentiating between 2-level
and 3-level? What about L_PTE_WRITE in all cases as pure software bit
and PTE_RDONLY (without L_) defined just for LPAE.
--
Catalin
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