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From: Peter Zijlstra <peterz@infradead.org>
To: Boqun Feng <boqun.feng@gmail.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>,
	linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org,
	tip-bot2 for Peter Zijlstra <tip-bot2@linutronix.de>,
	Qian Cai <cai@redhat.com>, x86 <x86@kernel.org>
Subject: Re: [tip: locking/core] lockdep: Fix usage_traceoverflow
Date: Fri, 30 Oct 2020 10:55:54 +0100	[thread overview]
Message-ID: <20201030095554.GL2651@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20201030093806.GA2628@hirez.programming.kicks-ass.net>

On Fri, Oct 30, 2020 at 10:38:06AM +0100, Peter Zijlstra wrote:
> >  		if (!chain_head && ret != 2) {
> >  			if (!check_prevs_add(curr, hlock))
> 
> I'm not entirely sure that doesn't still trigger the problem. Consider
> @chain_head := true.

Urgh, clearly my brain really isn't working well. Ignore that.

  reply	other threads:[~2020-10-30  9:56 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-29 14:31 lockdep null-ptr-deref Qian Cai
2020-09-29 23:08 ` Boqun Feng
2020-09-30  9:16   ` Peter Zijlstra
2020-09-30  9:49     ` Peter Zijlstra
2020-09-30 12:18       ` Boqun Feng
2020-09-30 19:02         ` Peter Zijlstra
2020-10-02 12:36           ` Boqun Feng
2020-10-02 13:09             ` Peter Zijlstra
2020-10-02 13:35               ` Boqun Feng
2020-10-02 10:06       ` Peter Zijlstra
2020-10-02 13:40         ` Qian Cai
2020-10-07 16:20       ` [tip: locking/core] lockdep: Fix usage_traceoverflow tip-bot2 for Peter Zijlstra
2020-10-27 11:29         ` Chris Wilson
2020-10-27 11:59           ` Peter Zijlstra
2020-10-27 12:30             ` Peter Zijlstra
2020-10-27 12:48               ` Peter Zijlstra
2020-10-27 14:13                 ` Chris Wilson
2020-10-31 11:30                 ` [tip: locking/urgent] lockdep: Fix nr_unused_locks accounting tip-bot2 for Peter Zijlstra
2020-10-27 13:29               ` [tip: locking/core] lockdep: Fix usage_traceoverflow Chris Wilson
2020-10-27 15:45                 ` Peter Zijlstra
2020-10-27 16:34                   ` Chris Wilson
2020-10-28 17:40                     ` Chris Wilson
2020-10-28 18:06                       ` Chris Wilson
2020-10-28 19:42                       ` Peter Zijlstra
2020-10-28 19:59                         ` Peter Zijlstra
2020-10-30  3:51                           ` Boqun Feng
2020-10-30  9:38                             ` Peter Zijlstra
2020-10-30  9:55                               ` Peter Zijlstra [this message]
2020-11-02  5:37                               ` [PATCH 1/2] lockdep: Avoid to modify chain keys in validate_chain() Boqun Feng
2020-11-02  5:37                                 ` [PATCH 2/2] lockdep/selftest: Add spin_nest_lock test Boqun Feng
2020-12-03 10:35                                   ` [tip: locking/core] " tip-bot2 for Boqun Feng
2020-11-05  6:25                                 ` [PATCH 1/2] lockdep: Avoid to modify chain keys in validate_chain() Boqun Feng
2020-11-10 17:28                                 ` Peter Zijlstra
2020-11-11  8:23                                 ` [tip: locking/urgent] " tip-bot2 for Boqun Feng
2020-10-09  7:58       ` [tip: locking/core] lockdep: Fix usage_traceoverflow tip-bot2 for Peter Zijlstra

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