linux-kernel - Re: [RFC PATCH 24/32] x86/ftrace: Enable HAVE_FUNCTION_GRAPH

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Message-Id: <20231106093850.62702d5bf1779e30cdecf1eb@kernel.org>
Date:   Mon, 6 Nov 2023 09:38:50 +0900
From:   Masami Hiramatsu (Google) <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        "Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Florent Revest <revest@...omium.org>,
        linux-trace-kernel@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        bpf <bpf@...r.kernel.org>, Sven Schnelle <svens@...ux.ibm.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alan Maguire <alan.maguire@...cle.com>,
        Mark Rutland <mark.rutland@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Guo Ren <guoren@...nel.org>
Subject: Re: [RFC PATCH 24/32] x86/ftrace: Enable HAVE_FUNCTION_GRAPH_FREGS

On Sun, 5 Nov 2023 18:34:09 -0500
Steven Rostedt <rostedt@...dmis.org> wrote:

> On Sun, 5 Nov 2023 18:33:01 -0500
> Steven Rostedt <rostedt@...dmis.org> wrote:
> 
> > For x86_64, that would be:
> > 
> >   rdi, rsi, rdx, r8, r9, rsp
> 
> I missed rcx.

I would like to add rax to the list so that it can handle the return value too. :)

Thanks,

> 
> -- Steve


-- 
Masami Hiramatsu (Google) <mhiramat@...nel.org>