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From: Peter Zijlstra <peterz@infradead.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Byungchul Park <byungchul.park@lge.com>,
	mingo@kernel.org, linux-kernel@vger.kernel.org,
	kernel-team@lge.com, Arnaldo Carvalho de Melo <acme@kernel.org>,
	Dave Chinner <david@fromorbit.com>, Tejun Heo <tj@kernel.org>,
	johannes@sipsolutions.net
Subject: Re: [PATCH v3 1/3] lockdep: Make LOCKDEP_CROSSRELEASE configs all part of PROVE_LOCKING
Date: Tue, 22 Aug 2017 18:35:55 +0200	[thread overview]
Message-ID: <20170822163555.GG32112@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20170822155906.GA6824@redhat.com>

On Tue, Aug 22, 2017 at 05:59:06PM +0200, Oleg Nesterov wrote:
> Peter, I'll read your email tomorrow, just one note...
> 
> On 08/22, Peter Zijlstra wrote:
> >
> > Also^2, TJ, what's the purpose of using atomic_long_t for work->data?
> > All it ever seems to do is atomic_long_read() and atomic_long_set(),
> 
> plust set/clear bit, for example
> 
> 	test_and_set_bit(WORK_STRUCT_PENDING_BIT, work_data_bits(work));

Ooh, that's unintuitive. That could certainly use a comment.

  reply	other threads:[~2017-08-22 16:36 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-17  8:57 [PATCH v3 1/3] lockdep: Make LOCKDEP_CROSSRELEASE configs all part of PROVE_LOCKING Byungchul Park
2017-08-17  8:57 ` [PATCH v3 2/3] lockdep: Reword title of LOCKDEP_CROSSRELEASE config Byungchul Park
2017-08-17 10:21   ` [tip:locking/core] locking/lockdep: " tip-bot for Byungchul Park
2017-08-17  8:57 ` [PATCH v3 3/3] lockdep: Rename LOCKDEP_COMPLETE config Byungchul Park
2017-08-17 10:22   ` [tip:locking/core] locking/lockdep: Rename CONFIG_LOCKDEP_COMPLETE to CONFIG_LOCKDEP_COMPLETIONS tip-bot for Byungchul Park
2017-08-17 10:21 ` [tip:locking/core] locking/lockdep: Make CONFIG_LOCKDEP_CROSSRELEASE part of CONFIG_PROVE_LOCKING tip-bot for Byungchul Park
2017-08-17 10:45   ` Ingo Molnar
2017-08-18  5:33     ` Byungchul Park
2017-08-21 15:46 ` [PATCH v3 1/3] lockdep: Make LOCKDEP_CROSSRELEASE configs all part of PROVE_LOCKING Peter Zijlstra
2017-08-22  5:14   ` Byungchul Park
2017-08-22  7:52     ` Peter Zijlstra
2017-08-22  8:51       ` Byungchul Park
2017-08-22  9:21         ` Peter Zijlstra
2017-08-22  9:33           ` Byungchul Park
2017-08-22 10:08             ` Peter Zijlstra
2017-08-22 13:49               ` Peter Zijlstra
2017-08-22 14:46                 ` Peter Zijlstra
2017-08-22 15:10                   ` Peter Zijlstra
2017-08-22 15:59                   ` Oleg Nesterov
2017-08-22 16:35                     ` Peter Zijlstra [this message]
2017-08-23 16:39                   ` Oleg Nesterov
2017-08-23 17:47                     ` Peter Zijlstra
2017-08-24  6:11                       ` Byungchul Park
2017-08-24  7:37                         ` Byungchul Park
2017-08-24  8:11                           ` Byungchul Park
2017-08-25  1:14                             ` Byungchul Park
2017-08-29 15:52                       ` Oleg Nesterov
2017-08-29 17:07                         ` lockdep && recursive-read Oleg Nesterov
2017-08-29 17:30                           ` Peter Zijlstra
2017-08-29 17:51                         ` [PATCH v3 1/3] lockdep: Make LOCKDEP_CROSSRELEASE configs all part of PROVE_LOCKING Peter Zijlstra
2017-08-23  2:43                 ` Byungchul Park
2017-08-23  6:31                   ` Byungchul Park
2017-08-23 10:26                   ` Peter Zijlstra
2017-08-24  5:07                     ` Byungchul Park
2017-08-22  5:46   ` Dave Chinner
2017-08-22  9:06     ` Peter Zijlstra
2017-08-22  9:22       ` Byungchul Park
2017-08-22  9:37         ` Peter Zijlstra
2017-08-22  9:42           ` Peter Zijlstra
2017-08-23  2:12           ` Byungchul Park
2017-08-23  6:03             ` Byungchul Park
2017-08-23 10:20             ` Peter Zijlstra
2017-08-24  2:02               ` Byungchul Park
2017-08-24  7:30                 ` Byungchul Park
2017-08-22 21:19       ` Dave Chinner
2017-08-23  2:31       ` Byungchul Park
2017-08-23  6:11         ` Byungchul Park
2017-08-23 10:46         ` Peter Zijlstra
2017-08-24  5:06           ` Byungchul Park
2017-08-23  1:56     ` Byungchul Park

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