riscv: increase COMMAND_LINE_SIZE value to 2048

[PATCH] riscv: increase COMMAND_LINE_SIZE value to 2048

Posted by Austin Kim 2 months, 3 weeks ago

From: Austin Kim <austin.kim@lge.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@lge.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

Re: [PATCH] riscv: increase COMMAND_LINE_SIZE value to 2048

Posted by Paul Walmsley 2 months ago

On Mon, 19 Jan 2026, Austin Kim wrote:

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

Thanks, queued for v7.1.


- Paul

Re: [PATCH] riscv: increase COMMAND_LINE_SIZE value to 2048

Posted by Austin Kim 2 months ago

Hello Paul,

2026년 2월 13일 (금) AM 9:52, Paul Walmsley <pjw@kernel.org>님이 작성:
>
> On Mon, 19 Jan 2026, Austin Kim wrote:
>
> > From: Austin Kim <austin.kim@lge.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@lge.com>
>
> Thanks, queued for v7.1.

Great! Thank you.

BR,
Austin Kim

>
>
> - Paul