linux-kernel - [PATCH] riscv: increase COMMAND_LINE

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Message-ID: <aW3gFmOlA/Z4kmfJ@adminpc-PowerEdge-R7525>
Date: Mon, 19 Jan 2026 16:41:10 +0900
From: Austin Kim <austindh.kim@...il.com>
To: pjw@...nel.org, palmer@...belt.com, aou@...s.berkeley.edu,
	alex@...ti.fr
Cc: linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
	austindh.kim@...il.com
Subject: [PATCH] riscv: increase COMMAND_LINE_SIZE value to 2048

From: Austin Kim <austin.kim@....com>

SoC people may send many parameters to configure the drivers via kernel 
command line. If COMMAND_LINE_SIZE is not enough, they may go through 
unexpected error.

To avoid the potential pain, we had better increase COMMAND_LINE_SIZE.

Signed-off-by: Austin Kim <austin.kim@....com>
---
 arch/riscv/include/uapi/asm/setup.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/include/uapi/asm/setup.h b/arch/riscv/include/uapi/asm/setup.h
index 66b13a522..eb4f0209c 100644
--- a/arch/riscv/include/uapi/asm/setup.h
+++ b/arch/riscv/include/uapi/asm/setup.h
@@ -3,6 +3,6 @@
 #ifndef _UAPI_ASM_RISCV_SETUP_H
 #define _UAPI_ASM_RISCV_SETUP_H
 
-#define COMMAND_LINE_SIZE	1024
+#define COMMAND_LINE_SIZE	2048
 
 #endif /* _UAPI_ASM_RISCV_SETUP_H */
-- 
2.34.1