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From:   =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn@kernel.org>
To:     Chen Guokai <chenguokai17@mails.ucas.ac.cn>,
        paul.walmsley@sifive.com, palmer@dabbelt.com,
        aou@eecs.berkeley.edu, rostedt@goodmis.org, mingo@redhat.com,
        sfr@canb.auug.org.au
Cc:     linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        liaochang1@huawei.com, Chen Guokai <chenguokai17@mails.ucas.ac.cn>
Subject: Re: [PATCH v5 9/9] riscv/kprobe: Search free registers from unused
 caller-saved ones
In-Reply-To: <20221224114315.850130-10-chenguokai17@mails.ucas.ac.cn>
References: <20221224114315.850130-1-chenguokai17@mails.ucas.ac.cn>
 <20221224114315.850130-10-chenguokai17@mails.ucas.ac.cn>
Date:   Mon, 02 Jan 2023 19:04:28 +0100
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Chen Guokai <chenguokai17@mails.ucas.ac.cn> writes:

> diff --git a/arch/riscv/kernel/probes/opt.c b/arch/riscv/kernel/probes/op=
t.c
> index 1c0e9d218f6f..884e77d2df4c 100644
> --- a/arch/riscv/kernel/probes/opt.c
> +++ b/arch/riscv/kernel/probes/opt.c
> @@ -12,6 +12,7 @@
>  #include <asm/kprobes.h>
>  #include <asm/patch.h>
>  #include <asm/asm-offsets.h>
> +#include <linux/extable.h>
>=20=20
>  #include "simulate-insn.h"
>  #include "decode-insn.h"
> @@ -130,7 +131,7 @@ static void prepare_detour_buffer(kprobe_opcode_t *co=
de, kprobe_opcode_t *slot,
>   * as a destination register before any branch or jump instruction.
>   */
>  static void find_register(unsigned long start, unsigned long end,
> -			       unsigned long *write, unsigned long *read)
> +			  unsigned long *write, unsigned long *read)

Probably a patch messup; This makes the series no apply fully.


Bj=C3=B6rn