linux-kernel - Re: [PATCH -tip v2 02/10] kprobes: treewide: Replace arch_deref_entry_point() with dereference_function

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Message-Id: <20210525084122.983fce68c1b1d8f5e0e2ec9d@kernel.org>
Date:   Tue, 25 May 2021 08:41:22 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>, ast@...nel.org,
        bpf@...r.kernel.org, Daniel Xu <dxu@...uu.xyz>,
        Josh Poimboeuf <jpoimboe@...hat.com>, kernel-team@...com,
        kuba@...nel.org, linux-kernel@...r.kernel.org, mingo@...hat.com,
        tglx@...utronix.de, X86 ML <x86@...nel.org>, yhs@...com
Subject: Re: [PATCH -tip v2 02/10] kprobes: treewide: Replace
 arch_deref_entry_point() with dereference_function_descriptor()

Hi Naveen,

On Mon, 24 May 2021 14:56:50 +0530
"Naveen N. Rao" <naveen.n.rao@...ux.ibm.com> wrote:

> Masami Hiramatsu wrote:
> > Replace arch_deref_entry_point() with dereference_function_descriptor()
> > because those are doing same thing.
> 
> It's not quite the same -- you need dereference_symbol_descriptor().

Got it! dereference_function_descriptor() doesn't handle the symbols
in the modules.

Thank you!

> 
> 
> - Naveen
> 


-- 
Masami Hiramatsu <mhiramat@...nel.org>