From: Peter Zijlstra <peterz@infradead.org>
To: Benjamin Berg <benjamin@sipsolutions.net>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
"Paul E. McKenney" <paulmck@kernel.org>,
linux-modules@vger.kernel.org, linux-kernel@vger.kernel.org,
johannes@sipsolutions.net, Daniel Gomez <da.gomez@samsung.com>,
Luis Chamberlain <mcgrof@kernel.org>,
Petr Pavlu <petr.pavlu@suse.com>,
Sami Tolvanen <samitolvanen@google.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v3 15/28] module: Use RCU in all users of __module_text_address().
Date: Thu, 24 Apr 2025 17:17:14 +0200 [thread overview]
Message-ID: <20250424151714.GA18306@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <bc9896f2470c70519c3b9257a1a2dd32e5e9c6e9.camel@sipsolutions.net>
On Thu, Apr 24, 2025 at 11:30:39AM +0200, Benjamin Berg wrote:
> Not sure if something like that would be desirable upstream. This is
> happening for us when running the hostap "hwsim" tests inside UML (with
> time-travel). At least internally, we could carry a custom patch to add
> the lockdep_off()/lockdep_on() to dump_trace in order to work around
> it[1].
Urgh, so lockdep_off() usage is a really bad sign.
Having just done a git-grep, I see there's crap to clean out :-(
Some day I'll manage to remove that thing.
next prev parent reply other threads:[~2025-04-24 15:17 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-08 9:04 [PATCH v3 00/28] module: Use RCU instead of RCU-sched Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 01/28] module: Extend the preempt disabled section in dereference_symbol_descriptor() Sebastian Andrzej Siewior
2025-01-08 9:55 ` Helge Deller
2025-01-08 10:52 ` Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 02/28] module: Begin to move from RCU-sched to RCU Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 03/28] module: Use proper RCU assignment in add_kallsyms() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 04/28] module: Use RCU in find_kallsyms_symbol() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 05/28] module: Use RCU in module_get_kallsym() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 06/28] module: Use RCU in find_module_all() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 07/28] module: Use RCU in __find_kallsyms_symbol_value() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 08/28] module: Use RCU in module_kallsyms_on_each_symbol() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 09/28] module: Remove module_assert_mutex_or_preempt() from try_add_tainted_module() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 10/28] module: Use RCU in find_symbol() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 11/28] module: Use RCU in __is_module_percpu_address() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 12/28] module: Allow __module_address() to be called from RCU section Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 13/28] module: Use RCU in search_module_extables() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 14/28] module: Use RCU in all users of __module_address() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 15/28] module: Use RCU in all users of __module_text_address() Sebastian Andrzej Siewior
2025-04-23 15:17 ` Benjamin Berg
2025-04-23 18:16 ` Paul E. McKenney
2025-04-24 9:05 ` Sebastian Andrzej Siewior
2025-04-24 9:30 ` Benjamin Berg
2025-04-24 14:47 ` Paul E. McKenney
2025-04-24 15:17 ` Peter Zijlstra [this message]
2025-01-08 9:04 ` [PATCH v3 16/28] ARM: " Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 17/28] arm64: " Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 18/28] LoongArch/orc: Use RCU in all users of __module_address() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 19/28] LoongArch: ftrace: Use RCU in all users of __module_text_address() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 20/28] powerpc/ftrace: " Sebastian Andrzej Siewior
2025-01-20 10:09 ` Shrikanth Hegde
2025-01-08 9:04 ` [PATCH v3 21/28] cfi: Use RCU while invoking __module_address() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 22/28] x86: Use RCU in all users of __module_address() Sebastian Andrzej Siewior
2025-11-03 10:08 ` Michal Pecio
2025-11-03 10:34 ` Sebastian Andrzej Siewior
2025-11-03 10:39 ` Michal Pecio
2025-11-03 11:37 ` Sebastian Andrzej Siewior
2025-11-03 17:37 ` Michal Pecio
2025-01-08 9:04 ` [PATCH v3 23/28] jump_label: " Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 24/28] jump_label: Use RCU in all users of __module_text_address() Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 25/28] bpf: " Sebastian Andrzej Siewior
2025-01-09 18:38 ` Alexei Starovoitov
2025-01-09 20:54 ` Sebastian Andrzej Siewior
2025-01-09 21:00 ` Alexei Starovoitov
2025-01-29 8:47 ` [PATCH v3.5 " Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 26/28] kprobes: " Sebastian Andrzej Siewior
2025-01-28 5:44 ` Masami Hiramatsu
2025-01-28 7:10 ` Sebastian Andrzej Siewior
2025-01-29 8:49 ` [PATCH v3.5 25/28] " Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 27/28] static_call: " Sebastian Andrzej Siewior
2025-01-08 9:04 ` [PATCH v3 28/28] bug: Use RCU instead RCU-sched to protect module_bug_list Sebastian Andrzej Siewior
2025-01-13 11:09 ` [PATCH v3 00/28] module: Use RCU instead of RCU-sched Petr Pavlu
2025-01-13 13:23 ` Sebastian Andrzej Siewior
2025-01-24 17:49 ` Sebastian Andrzej Siewior
2025-01-27 12:22 ` Petr Pavlu
2025-01-29 8:52 ` Sebastian Andrzej Siewior
2025-01-30 13:42 ` Petr Pavlu
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