linux-kernel - Re: [PATCH] trace: Fix some checker warnings

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Message-ID: <382777.1670236186@warthog.procyon.org.uk>
Date:   Mon, 05 Dec 2022 10:29:46 +0000
From:   David Howells <dhowells@...hat.com>
To:     Masami Hiramatsu (Google) <mhiramat@...nel.org>
Cc:     dhowells@...hat.com, rostedt@...dmis.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] trace: Fix some checker warnings

Btw, do you know how to deal with:

	add_ftrace_export(struct trace_export **list, struct trace_export *export)

being called by:

	add_ftrace_export(&ftrace_exports_list, export);

but ftrace_exports_list has an __rcu annotation, so the list argument in the
former should have an __rcu annotation in it somewhere too.

OTOH - there's only one user of add_trace_export() and add_ftrace_export(), so
can they be collapsed into register_ftrace_export()?

David