linux-kernel - Re: [PATCH v3 1/2] kprobes: textmem API

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Date: Mon, 25 Mar 2024 22:50:40 +0200
From: "Jarkko Sakkinen" <jarkko@...nel.org>
To: "Jarkko Sakkinen" <jarkko@...nel.org>, <linux-riscv@...ts.infradead.org>
Cc: "Masami Hiramatsu" <mhiramat@...nel.org>, "Paul Walmsley"
 <paul.walmsley@...ive.com>, "Palmer Dabbelt" <palmer@...belt.com>, "Albert
 Ou" <aou@...s.berkeley.edu>, <linux-kernel@...r.kernel.org>, "Luis
 Chamberlain" <mcgrof@...nel.org>, <linux-modules@...r.kernel.org>, "Naveen
 N . Rao" <naveen.n.rao@...ux.ibm.com>, "Anil S Keshavamurthy"
 <anil.s.keshavamurthy@...el.com>, "David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH v3 1/2] kprobes: textmem API

On Mon Mar 25, 2024 at 10:37 PM EET, Jarkko Sakkinen wrote:
> -	if (ret == -ENOENT && !trace_kprobe_module_exist(tk)) {
> +#ifdef CONFIG_MODULES
> +	if (ret == -ENOENT && trace_kprobe_module_exist(tk))
> +		ret = 0;
> +#endif /* CONFIG_MODULES */

For this we could have

#ifndef CONFIG_MODULES
#define trace_kprobe_module_exist(tk) false
#endif

That would clean up at least two locations requiring no changes. Should
I go forward this or not?

BR, Jarkko