linux-kernel - Re: [RFC][PATCH] Fix a race between rwsem and the scheduler

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Message-ID: <1472641043.2388.84.camel@kernel.crashing.org>
Date:   Wed, 31 Aug 2016 20:57:23 +1000
From:   Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:     Peter Zijlstra <peterz@...radead.org>,
        Balbir Singh <bsingharora@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Oleg Nesterov <oleg@...hat.com>,
        Nicholas Piggin <nicholas.piggin@...il.com>,
        Alexey Kardashevskiy <aik@...abs.ru>
Subject: Re: [RFC][PATCH] Fix a race between rwsem and the scheduler

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.