linux-kernel - Re: [PATCH 0/2] Ftrace direct call samples improvements

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Date:   Fri, 9 Jun 2023 16:20:46 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Florent Revest <revest@...omium.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-trace-kernel@...r.kernel.org, mhiramat@...nel.org,
        mark.rutland@....com, kpsingh@...nel.org, xukuohai@...weicloud.com,
        Catalin Marinas <catalin.marinas@....com>
Subject: Re: [PATCH 0/2] Ftrace direct call samples improvements

On Thu, 27 Apr 2023 16:06:58 +0200
Florent Revest <revest@...omium.org> wrote:

> This series is a subset of [1] that didn't go through the arm64 tree.
> 
> - The first patch fixes a small bug when a direct call sample is loaded on x86
> - The second patch adds arm64 support to all direct calls samples
> 
> They are sent together because the second one depends on the first one.
> 
> This series applies cleanly on Linus's master branch. It needs the first two
> patches of [1] which, at the time of writing, don't seem to have made it to the
> trace/linux-trace tree but I suppose they could be pulled from Linus's master
> 
> 1: https://lore.kernel.org/bpf/20230405180250.2046566-1-revest@chromium.org/
> 
> Florent Revest (2):
>   samples: ftrace: Save required argument registers in sample
>     trampolines
>   arm64: ftrace: Add direct call trampoline samples support

Is this going through the arm64 tree, or should it go through mine?

-- Steve


> 
>  arch/arm64/Kconfig                          |  2 ++
>  samples/ftrace/ftrace-direct-modify.c       | 34 ++++++++++++++++++
>  samples/ftrace/ftrace-direct-multi-modify.c | 40 +++++++++++++++++++++
>  samples/ftrace/ftrace-direct-multi.c        | 24 +++++++++++++
>  samples/ftrace/ftrace-direct-too.c          | 40 +++++++++++++++++----
>  samples/ftrace/ftrace-direct.c              | 24 +++++++++++++
>  6 files changed, 158 insertions(+), 6 deletions(-)
>