[PATCH v5 0/6] Move swapper_pg_dir to rodata section.

From: Jun Yao
Date: Mon Sep 17 2018 - 00:43:54 EST


Version 5 changes:
1. Correct spelling and indentation errors[1].
2. Update init_mm.pgd by assembly[2].
3. Simplify set_p?d() by introducing set_swapper_pgd()[3].
4. Reduce unnecessary tlbi for every write to swapper_pg_dir
during paging_init()[3].

v4: https://www.spinics.net/lists/arm-kernel/msg672195.html
v3: https://www.spinics.net/lists/arm-kernel/msg662537.html
v2: https://patchwork.kernel.org/patch/10485641/
v1: https://patchwork.kernel.org/patch/10476595/

[1] https://www.spinics.net/lists/arm-kernel/msg675189.html
[2] https://www.spinics.net/lists/arm-kernel/msg675193.html
[3] https://www.spinics.net/lists/arm-kernel/msg675196.html

Jun Yao (6):
arm64/mm: Introduce the init_pg_dir.
arm64/mm: Pass ttbr1 as a parameter to __enable_mmu().
arm64/mm: Create the initial page table in the init_pg_dir.
arm64/mm: Create the final page table directly in swapper_pg_dir.
arm64/mm: Populate the swapper_pg_dir by fixmap.
arm64/mm: Move {idmap_pg_dir .. swapper_pg_dir} to rodata section.

arch/arm64/include/asm/assembler.h | 29 ++++++++++++++++++
arch/arm64/include/asm/pgtable.h | 36 ++++++++++++++++++----
arch/arm64/kernel/asm-offsets.c | 1 +
arch/arm64/kernel/head.S | 48 ++++++++++++++++++++----------
arch/arm64/kernel/sleep.S | 1 +
arch/arm64/kernel/vmlinux.lds.S | 47 +++++++++++++++++++----------
arch/arm64/mm/mmu.c | 45 +++++++++++++---------------
7 files changed, 147 insertions(+), 60 deletions(-)

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2.17.1