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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Peter Zijlstra <peterz@infradead.org>,
	Balbir Singh <bsingharora@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Oleg Nesterov <oleg@redhat.com>,
	Nicholas Piggin <nicholas.piggin@gmail.com>,
	Alexey Kardashevskiy <aik@ozlabs.ru>
Subject: Re: [RFC][PATCH] Fix a race between rwsem and the scheduler
Date: Wed, 31 Aug 2016 20:57:23 +1000	[thread overview]
Message-ID: <1472641043.2388.84.camel@kernel.crashing.org> (raw)
In-Reply-To: <20160831072835.GB10138@twins.programming.kicks-ass.net>

On Wed, 2016-08-31 at 09:28 +0200, Peter Zijlstra wrote:
> 
> What hardware do you see this on, is it shiny new Power8 chips which
> have never before seen deep queues or something. Or is it 'regular'
> old Power7 like stuff?

Power8 which isn't *that* new these days...

Cheers,
Ben.

  parent reply	other threads:[~2016-08-31 10:58 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-30  8:49 [RFC][PATCH] Fix a race between rwsem and the scheduler Balbir Singh
2016-08-30  9:13 ` Nicholas Piggin
2016-08-30 12:19 ` Peter Zijlstra
2016-08-30 13:04   ` Oleg Nesterov
2016-08-30 14:13     ` Peter Zijlstra
2016-08-30 16:57       ` Oleg Nesterov
2016-08-30 18:34         ` Peter Zijlstra
2016-08-30 21:28           ` Benjamin Herrenschmidt
2016-08-31  7:18             ` Peter Zijlstra
2016-08-31 10:56               ` Benjamin Herrenschmidt
2016-08-31 13:31             ` Peter Zijlstra
2016-08-31 21:47               ` Benjamin Herrenschmidt
2016-09-01  6:49                 ` Balbir Singh
2016-09-01  6:57                 ` Peter Zijlstra
2016-09-01 14:17                   ` Boqun Feng
2016-09-01 15:33                     ` Peter Zijlstra
2016-08-30 21:25     ` Benjamin Herrenschmidt
2016-08-31  7:20       ` Peter Zijlstra
2016-08-31 10:55         ` Benjamin Herrenschmidt
2016-08-31  3:41   ` Balbir Singh
2016-08-31  7:28     ` Peter Zijlstra
2016-08-31 10:17       ` Balbir Singh
2016-08-31 10:57       ` Benjamin Herrenschmidt [this message]
2016-09-01  1:48       ` Alexey Kardashevskiy
2016-09-01 12:16         ` Alexey Kardashevskiy
2016-08-30 12:58 ` Oleg Nesterov
2016-08-31  3:25   ` Balbir Singh

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