linux-kernel - Re: [PATCH v2] tracing: Add sched_prepare

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Message-Id: <171285004930.3255679.4082124903503205236.b4-ty@chromium.org>
Date: Thu, 11 Apr 2024 08:40:51 -0700
From: Kees Cook <keescook@...omium.org>
To: Steven Rostedt <rostedt@...dmis.org>,
	Marco Elver <elver@...gle.com>
Cc: Kees Cook <keescook@...omium.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Jan Kara <jack@...e.cz>,
	Eric Biederman <ebiederm@...ssion.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Azeem Shaikh <azeemshaikh38@...il.com>,
	linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [PATCH v2] tracing: Add sched_prepare_exec tracepoint

On Thu, 11 Apr 2024 12:20:57 +0200, Marco Elver wrote:
> Add "sched_prepare_exec" tracepoint, which is run right after the point
> of no return but before the current task assumes its new exec identity.
> 
> Unlike the tracepoint "sched_process_exec", the "sched_prepare_exec"
> tracepoint runs before flushing the old exec, i.e. while the task still
> has the original state (such as original MM), but when the new exec
> either succeeds or crashes (but never returns to the original exec).
> 
> [...]

Applied to for-next/execve, thanks!

[1/1] tracing: Add sched_prepare_exec tracepoint
      https://git.kernel.org/kees/c/5c5fad46e48c

Take care,

-- 
Kees Cook