From: Christoph Hellwig <hch@infradead.org>
To: chensong_2000@189.cn
Cc: rafael@kernel.org, lenb@kernel.org, mturquette@baylibre.com,
sboyd@kernel.org, viresh.kumar@linaro.org, agk@redhat.com,
snitzer@kernel.org, mpatocka@redhat.com, bmarzins@redhat.com,
song@kernel.org, yukuai@fnnas.com, linan122@huawei.com,
jason.wessel@windriver.com, danielt@kernel.org,
dianders@chromium.org, horms@kernel.org, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
paulmck@kernel.org, frederic@kernel.org, mcgrof@kernel.org,
petr.pavlu@suse.com, da.gomez@kernel.org,
samitolvanen@google.com, atomlin@atomlin.com,
jpoimboe@kernel.org, jikos@kernel.org, mbenes@suse.cz,
pmladek@suse.com, joe.lawrence@redhat.com, rostedt@goodmis.org,
mhiramat@kernel.org, mark.rutland@arm.com,
mathieu.desnoyers@efficios.com, linux-modules@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
linux-acpi@vger.kernel.org, linux-clk@vger.kernel.org,
linux-pm@vger.kernel.org, live-patching@vger.kernel.org,
dm-devel@lists.linux.dev, linux-raid@vger.kernel.org,
kgdb-bugreport@lists.sourceforge.net, netdev@vger.kernel.org
Subject: Re: [RFC PATCH 0/2] Decouple ftrace/livepatch from module loader via notifier priority and reverse traversal
Date: Wed, 15 Apr 2026 00:38:46 -0700 [thread overview]
Message-ID: <ad9Ahq6BXQbHA1LS@infradead.org> (raw)
In-Reply-To: <20260413080140.180616-1-chensong_2000@189.cn>
On Mon, Apr 13, 2026 at 04:01:40PM +0800, chensong_2000@189.cn wrote:
> From: Song Chen <chensong_2000@189.cn>
>
> This patchset addresses a long-standing tight coupling between the
> module loader and two of its key consumers: ftrace and livepatch.
>
> Background:
>
> The module loader currently hard-codes direct calls to
> ftrace_module_enable(), klp_module_coming(), klp_module_going() and
> ftrace_release_mod() inside prepare_coming_module() and the module
> unload path.
And that is bad why?
> 13 files changed, 290 insertions(+), 74 deletions(-)
This is a lot of new complex code touching a lot of places for no obvious
gain. What is the reason for this series? Does it prepare for something
else?
prev parent reply other threads:[~2026-04-15 7:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-13 8:01 [RFC PATCH 0/2] Decouple ftrace/livepatch from module loader via notifier priority and reverse traversal chensong_2000
2026-04-15 7:38 ` Christoph Hellwig [this message]
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