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riscv: mm: init: mark satp_mode __ro_after_init

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satp_mode is never modified after init, so it can be marked as
__ro_after_init.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Jisheng Zhang 2022-01-26 00:00:12 +08:00 committed by Palmer Dabbelt
parent e783362eb5
commit 67ff2f2626
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1 changed files with 2 additions and 2 deletions
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arch/riscv/mm/init.c
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@ -38,9 +38,9 @@ EXPORT_SYMBOL(kernel_map);
#endif
#ifdef CONFIG_64BIT
u64 satp_mode = !IS_ENABLED(CONFIG_XIP_KERNEL) ? SATP_MODE_48 : SATP_MODE_39;
u64 satp_mode __ro_after_init = !IS_ENABLED(CONFIG_XIP_KERNEL) ? SATP_MODE_48 : SATP_MODE_39;
#else
u64 satp_mode = SATP_MODE_32;
u64 satp_mode __ro_after_init = SATP_MODE_32;
#endif
EXPORT_SYMBOL(satp_mode);