linux-kernel - Re: [PATCH 1/1] LoongArch: adjust copy/clear

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Message-Id: <20230830032553.2974884-1-liweihao@loongson.cn>
Date:   Wed, 30 Aug 2023 11:25:53 +0800
From:   liweihao <liweihao@...ngson.cn>
To:     wangrui@...ngson.cn
Cc:     chenhuacai@...nel.org, kernel@...0n.name,
        linux-kernel@...r.kernel.org, liweihao@...ngson.cn,
        loongarch@...ts.linux.dev, masahiroy@...nel.org, yijun@...ngson.cn
Subject: Re: [PATCH 1/1] LoongArch: adjust copy/clear_user exception handler behavior

Hello WANG Rui,

> > +.Lsmall_fixup:
> > +29:    st.b    zero, a0, 0
> > +       addi.d  a0, a0, 1
> > +       addi.d  a1, a1, -1
> > +       bgt     a1, zero, 1b
> 
> I'm sure the jump target here is 29b.

You are right, this is a mistake.

I'll correct it later. Thanks.