linux-kernel - [PATCH] riscv: Remove redundant CONFIG_64BIT from pgtable_l{4,5}

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Date: Tue, 12 Mar 2024 16:50:05 +0800
From: Dawei Li <dawei.li@...ngroup.cn>
To: paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu
Cc: linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	set_pte_at@...look.com,
	Dawei Li <dawei.li@...ngroup.cn>
Subject: [PATCH] riscv: Remove redundant CONFIG_64BIT from pgtable_l{4,5}_enabled

IS_ENABLED(CONFIG_64BIT) in assignment of pgtable_l{4,5}_enabled is
redundant, remove it.

While at it, annotate pgtable_l{4,5}_enabled with __ro_after_init.

Signed-off-by: Dawei Li <dawei.li@...ngroup.cn>
---
 arch/riscv/mm/init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index fa34cf55037b..204cdf5b829d 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -50,8 +50,8 @@ u64 satp_mode __ro_after_init = SATP_MODE_32;
 EXPORT_SYMBOL(satp_mode);
 
 #ifdef CONFIG_64BIT
-bool pgtable_l4_enabled = IS_ENABLED(CONFIG_64BIT) && !IS_ENABLED(CONFIG_XIP_KERNEL);
-bool pgtable_l5_enabled = IS_ENABLED(CONFIG_64BIT) && !IS_ENABLED(CONFIG_XIP_KERNEL);
+bool pgtable_l4_enabled __ro_after_init = !IS_ENABLED(CONFIG_XIP_KERNEL);
+bool pgtable_l5_enabled __ro_after_init = !IS_ENABLED(CONFIG_XIP_KERNEL);
 EXPORT_SYMBOL(pgtable_l4_enabled);
 EXPORT_SYMBOL(pgtable_l5_enabled);
 #endif
-- 
2.27.0