arm64: mm: Mark .rodata as RO

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Currently the .rodata section is actually still executable when DEBUG_RODATA
is enabled. This changes that so the .rodata is actually read only, no execute.
It also adds the .rodata section to the mem_init banner.

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
[catalin.marinas@arm.com: added vm_struct vmlinux_rodata in map_kernel()]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Jeremy Linton 2016-02-19 11:50:32 -06:00 • committed by Catalin Marinas

parent b7dc8d16e7

commit 2f39b5f91e

3 changed files with 19 additions and 9 deletions

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5

arch/arm64/kernel/vmlinux.lds.S

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4

arch/arm64/mm/init.c

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19

arch/arm64/mm/mmu.c

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