Re: [PATCH] arm64/mm: Simplify protection flag creation for kernel huge mappings

From: Catalin Marinas
Date: Tue Jun 04 2019 - 08:55:01 EST

On Mon, May 27, 2019 at 09:28:15AM +0530, Anshuman Khandual wrote:
> Even though they have got the same value, PMD_TYPE_SECT and PUD_TYPE_SECT
> get used for kernel huge mappings. But before that first the table bit gets
> cleared using leaf level PTE_TABLE_BIT. Though functionally they are same,
> we should use page table level specific macros to be consistent as per the
> MMU specifications. Create page table level specific wrappers for kernel
> huge mapping entries and just drop mk_sect_prot() which does not have any
> other user.
> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>

Queued for 5.3. Thanks.