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

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Message-ID: <20231105162850.4fb804a4@rorschach.local.home>
Date:   Sun, 5 Nov 2023 16:28:50 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     "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 14:11:30 -0500
Steven Rostedt <rostedt@...dmis.org> wrote:

> You even Acked the patch:

More specifically, you acked the series and stressed the ftrace_regs
wrapper part when doing so:

  https://lore.kernel.org/all/20201113080733.GZ2628@hirez.programming.kicks-ass.net/

> On Thu, Nov 12, 2020 at 09:01:42PM -0500, Steven Rostedt wrote:
> > Steven Rostedt (VMware) (3):
> >       ftrace: Have the callbacks receive a struct ftrace_regs instead of pt_regs
> >       ftrace/x86: Allow for arguments to be passed in to ftrace_regs by default
> >       livepatch: Use the default ftrace_ops instead of REGS when ARGS is available
> 
> Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>

-- Steve