From: Waiman Long <llong@redhat.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will.deacon@arm.com>,
Boqun Feng <boqun.feng@gmail.com>,
linux-kernel@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>
Subject: Re: [PATCH] locking/lockdep: Enforce PROVE_RAW_LOCK_NESTING only if ARCH_SUPPORTS_RT
Date: Wed, 27 Nov 2024 19:00:29 -0500 [thread overview]
Message-ID: <e40965ae-cb21-4b23-b393-a86a1f601236@redhat.com> (raw)
In-Reply-To: <20241127164442.catRG_Aw@linutronix.de>
On 11/27/24 11:44 AM, Sebastian Andrzej Siewior wrote:
> On 2024-11-26 18:11:54 [-0500], Waiman Long wrote:
>> Relax the rule to set PROVE_RAW_LOCK_NESTING by default only for arches
>> that supports PREEMPT_RT. For arches that do not support PREEMPT_RT,
>> they will not be forced to address irrelevant raw lock nesting issues
>> when they want to enable PROVE_LOCKING.
> I don't like the wording here. It is not "irrelevant raw lock nesting
> issues". This is documented in Documentation/locking/locktypes.rst.
> *IFF* we agree to ignore those because we don't want PREEMPT_RT on
> certain architectures then okay. But please don't describe it as
> irrelevant.
Sorry for that. I will post a v2 patch to fix the wording.
Cheers,
Longman
prev parent reply other threads:[~2024-11-28 0:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-26 23:11 Waiman Long
2024-11-27 16:44 ` Sebastian Andrzej Siewior
2024-11-28 0:00 ` Waiman Long [this message]
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