linux-kernel - [RFC PATCH V3 36/43] rv64ilp32_abi: printf: Use BITS_PER_LONG instead of CONFIG

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Message-Id: <20250325121624.523258-37-guoren@kernel.org>
Date: Tue, 25 Mar 2025 08:16:17 -0400
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Subject: [RFC PATCH V3 36/43] rv64ilp32_abi: printf: Use BITS_PER_LONG instead of CONFIG_64BIT

From: "Guo Ren (Alibaba DAMO Academy)" <guoren@...nel.org>

RV64ILP32 ABI systems have BITS_PER_LONG set to 32. Use
BITS_PER_LONG instead of CONFIG_64BIT.

Signed-off-by: Guo Ren (Alibaba DAMO Academy) <guoren@...nel.org>
---
 lib/vsprintf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 56fe96319292..2d719be86945 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -771,7 +771,7 @@ static inline int __ptr_to_hashval(const void *ptr, unsigned long *hashval_out)
 	/* Pairs with smp_wmb() after writing ptr_key. */
 	smp_rmb();
 
-#ifdef CONFIG_64BIT
+#if BITS_PER_LONG == 64
 	hashval = (unsigned long)siphash_1u64((u64)ptr, &ptr_key);
 	/*
 	 * Mask off the first 32 bits, this makes explicit that we have
-- 
2.40.1