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From: Davidlohr Bueso <dave@stgolabs.net>
To: Jan Kara <jack@suse.cz>
Cc: Laurent Dufour <ldufour@linux.vnet.ibm.com>,
	mingo@kernel.org, peterz@infradead.org,
	akpm@linux-foundation.org, kirill.shutemov@linux.intel.com,
	mhocko@suse.com, mgorman@techsingularity.net,
	linux-kernel@vger.kernel.org, Davidlohr Bueso <dbueso@suse.de>
Subject: Re: [PATCH 1/5] locking: Introduce range reader/writer lock
Date: Tue, 4 Apr 2017 08:31:05 -0700	[thread overview]
Message-ID: <20170404153105.GA1114@linux-80c1.suse> (raw)
In-Reply-To: <20170403160654.GI15168@quack2.suse.cz>

On Mon, 03 Apr 2017, Jan Kara wrote:

>Or just a plain sequence counter of the lock operations?

So what I dislike about this is that we'd also have to enlarge
the struct range_rwlock_tree. otoh, I'm hesitant to depend on
the tick rate for lock correctness, so perhaps your suggestion
is best.

Thanks,
Davidlohr

  reply	other threads:[~2017-04-04 15:31 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-07  5:03 [PATCH 0/5] locking Introduce range reader/writer lock Davidlohr Bueso
2017-03-07  5:03 ` [PATCH 1/5] locking: " Davidlohr Bueso
2017-03-09 11:03   ` Jan Kara
2017-03-28 10:00   ` Laurent Dufour
2017-03-28 16:39     ` Davidlohr Bueso
2017-03-28 16:58       ` Kirill A. Shutemov
2017-03-29  8:38         ` Laurent Dufour
2017-03-29 15:31           ` Davidlohr Bueso
2017-03-29 15:40             ` Kirill A. Shutemov
2017-03-29 16:10               ` Davidlohr Bueso
2017-04-03 14:19       ` Laurent Dufour
2017-04-03 15:26         ` Davidlohr Bueso
2017-04-03 16:06           ` Jan Kara
2017-04-04 15:31             ` Davidlohr Bueso [this message]
2017-03-29  8:56   ` Peter Zijlstra
2017-03-29 15:12     ` Davidlohr Bueso
2017-03-29  8:59   ` Peter Zijlstra
2017-03-29  9:08   ` Peter Zijlstra
2017-03-29 15:05     ` Davidlohr Bueso
2017-03-29  9:11   ` Peter Zijlstra
2017-03-29  9:44   ` Peter Zijlstra
2017-03-29 10:35   ` Peter Zijlstra
2017-03-29 10:49   ` Peter Zijlstra
2017-03-29 15:14     ` Davidlohr Bueso
2017-03-30 14:56   ` Laurent Dufour
2017-03-30 17:13     ` Davidlohr Bueso
2017-03-07  5:03 ` [PATCH 2/5] locking/locktorture: Fix rwsem reader_delay Davidlohr Bueso
2017-03-07  5:03 ` [PATCH 3/5] locking/locktorture: Fix num reader/writer corner cases Davidlohr Bueso
2017-03-07  5:03 ` [PATCH 4/5] locking/locktorture: Support range rwlocks Davidlohr Bueso
2017-03-07  5:03 ` [PATCH 5/5] staging/lustre: Use generic range rwlock Davidlohr Bueso
2017-03-07  6:05   ` Oleg Drokin
2017-03-08 15:02     ` Davidlohr Bueso
2017-03-09  8:56   ` kbuild test robot
2017-03-09 14:40   ` kbuild test robot

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