From: Andrea Arcangeli <aarcange@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Rik van Riel <riel@redhat.com>,
balbir@linux.vnet.ibm.com, jdike@addtoit.com,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
avi@redhat.com
Subject: Re: [PATCH] emulate accessed bit for EPT
Date: Fri, 5 Feb 2010 19:14:13 +0100 [thread overview]
Message-ID: <20100205181413.GV5959@random.random> (raw)
In-Reply-To: <20100205173422.GA14706@amt.cnet>
On Fri, Feb 05, 2010 at 03:34:23PM -0200, Marcelo Tosatti wrote:
> But perhaps a module parameter to turn accessed bit emulation off might
> be handy in the future?
Maybe, but somebody should show that this can overall become a
downside, which I doubt... I think if it does, the VM is to blame for
calling page_referenced when there is no point to do so just yet.
next prev parent reply other threads:[~2010-02-05 18:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-03 21:11 [PATCH] emulate accessed bit for EPT Rik van Riel
2010-02-04 4:12 ` Balbir Singh
2010-02-04 13:40 ` Rik van Riel
2010-02-04 15:30 ` Balbir Singh
2010-02-04 15:41 ` Rik van Riel
2010-02-04 15:52 ` Balbir Singh
2010-02-04 17:47 ` Andrea Arcangeli
2010-02-05 17:34 ` Marcelo Tosatti
2010-02-05 18:14 ` Andrea Arcangeli [this message]
2010-02-07 19:21 ` Marcelo Tosatti
2010-02-04 16:17 ` Jeff Dike
2010-02-08 10:27 ` Avi Kivity
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