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

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Message-ID: <ZIQ0NBiNOEkzC33Q@arm.com>
Date:   Sat, 10 Jun 2023 09:28:36 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Florent Revest <revest@...omium.org>,
        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
Subject: Re: [PATCH 0/2] Ftrace direct call samples improvements

On Fri, Jun 09, 2023 at 04:20:46PM -0400, Steven Rostedt wrote:
> 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?

Feel free to take it through your tree.

Acked-by: Catalin Marinas <catalin.marinas@....com>