Re: [PATCH V4 16/26] riscv/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT
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- To: Anshuman Khandual <anshuman.khandual@xxxxxxx>
- Subject: Re: [PATCH V4 16/26] riscv/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT
- From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
- Date: Thu, 23 Jun 2022 22:10:59 -0700
- Cc: linux-mm@xxxxxxxxx, hch@xxxxxxxxxxxxx, christophe.leroy@xxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, openrisc@xxxxxxxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, linux-csky@xxxxxxxxxxxxxxx, linux-hexagon@xxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, linux-snps-arc@xxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>
- In-reply-to: <20220624044339.1533882-17-anshuman.khandual@arm.com>
- References: <20220624044339.1533882-1-anshuman.khandual@arm.com> <20220624044339.1533882-17-anshuman.khandual@arm.com>
On Fri, Jun 24, 2022 at 10:13:29AM +0530, Anshuman Khandual wrote:
index d466ec670e1f..f976580500b1 100644
> --- a/arch/riscv/mm/init.c
> +++ b/arch/riscv/mm/init.c
> @@ -288,6 +288,26 @@ static pmd_t __maybe_unused early_dtb_pmd[PTRS_PER_PMD] __initdata __aligned(PAG
> #define early_pg_dir ((pgd_t *)XIP_FIXUP(early_pg_dir))
> #endif /* CONFIG_XIP_KERNEL */
>
> +static pgprot_t protection_map[16] __ro_after_init = {
Can't this be marked const now?
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