Re: [PATCH -tip v2] x86/kprobes: Do not decode opcode in resume_execution()

From: Borislav Petkov
Date: Thu Dec 31 2020 - 11:14:00 EST


On Fri, Dec 18, 2020 at 11:12:05PM +0900, Masami Hiramatsu wrote:
> @@ -467,8 +489,8 @@ static int arch_copy_kprobe(struct kprobe *p)
> */
> len = prepare_boost(buf, p, &insn);
>
> - /* Check whether the instruction modifies Interrupt Flag or not */
> - p->ainsn.if_modifier = is_IF_modifier(buf);
> + /* Analyze the opcode and set resume flags */
> + set_resume_flags(p, &insn);

So this function wants to be called something like analyze_insn() or so
then? set_resume_flags() is kinda misleading as a name.

Thx.

--
Regards/Gruss,
Boris.

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