linux-kernel - Re: [PATCH v6 09/13] riscv/kprobe: Search free registers from unused caller-saved ones

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Message-ID: <87pmattsul.fsf@all.your.base.are.belong.to.us>
Date:   Wed, 01 Feb 2023 14:31:30 +0100
From:   Björn Töpel <bjorn@...nel.org>
To:     Chen Guokai <chenguokai17@...ls.ucas.ac.cn>,
        paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, rostedt@...dmis.org, mingo@...hat.com,
        sfr@...b.auug.org.au
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        liaochang1@...wei.com, Chen Guokai <chenguokai17@...ls.ucas.ac.cn>
Subject: Re: [PATCH v6 09/13] riscv/kprobe: Search free registers from
 unused caller-saved ones

Chen Guokai <chenguokai17@...ls.ucas.ac.cn> writes:

> This patch further allows optprobe to use caller-saved registers that
> is not used across the function being optimized as free registers.
>
> Signed-off-by: Chen Guokai <chenguokai17@...ls.ucas.ac.cn>
> Co-developed-by: Liao Chang <liaochang1@...wei.com>
> Signed-off-by: Liao Chang <liaochang1@...wei.com>
> Reported-by: Björn Töpel <bjorn@...nel.org>

Reported-by: should be used for fixes. Please change to Suggested-by:,
or simply remove.


Björn