linux-kernel - Re: [PATCH] longsoon/percpu: Simplify _percpu_read() and _percpu

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Message-ID: <e01dcb5fc34b4686c7fb32d1644802c164910ecb.camel@xry111.site>
Date: Wed, 04 Sep 2024 02:57:52 +0800
From: Xi Ruoyao <xry111@...111.site>
To: Uros Bizjak <ubizjak@...il.com>, loongarch@...ts.linux.dev, 
	linux-kernel@...r.kernel.org
Cc: Huacai Chen <chenhuacai@...nel.org>, WANG Xuerui <kernel@...0n.name>, 
 Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] longsoon/percpu: Simplify _percpu_read() and
 _percpu_write()

On Tue, 2024-09-03 at 12:23 +0200, Uros Bizjak wrote:
> +#define _percpu_write(size, _pcp, _val)					\
> +do {									\
> +	unsigned long __pcp_val = __pcpu_cast_##size(_val);		\
> +									\
> +	__asm__ __volatile__ (__pcpu_op_##size("stx") "%[val] $r21, %[ptr]	\n" \

Missing a comma before $r21 (as the bot already pointed out).

> +		:							\
> +		: [val] "r"(__pcp_val), [ptr] "r"(&(_pcp))		\
> +		: "memory");						\
> +} while (0)

-- 
Xi Ruoyao <xry111@...111.site>
School of Aerospace Science and Technology, Xidian University