linux-kernel - Re: [PATCH] i2c: tracing: Remove redundant length field in events

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Message-ID: <Z-aL7IusGG5jHoN0@shikoro>
Date: Fri, 28 Mar 2025 12:45:48 +0100
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: LKML <linux-kernel@...r.kernel.org>, linux-i2c@...r.kernel.org,
	Linux Trace Kernel <linux-trace-kernel@...r.kernel.org>,
	David Howells <dhowells@...hat.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Subject: Re: [PATCH] i2c: tracing: Remove redundant length field in events


>   NOTE: This removes the "len" field from these events. If that "len" field
>   is used by filters or user space tooling, then this will break that. If
>   that is the case, then this patch should NOT be accepted.

I have no idea if someone uses it, or even how to find out if someone
uses it. To avoid regressions, I prefer to leave it as is. But thanks
for letting me know!


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