From: Avi Kivity <avi@qumranet.com>
To: Rik van Riel <riel@redhat.com>
Cc: linux-mm@kvack.org, shaohua.li@intel.com,
kvm-devel <kvm-devel@lists.sourceforge.net>,
general@lists.openfabrics.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][RFC]: pte notifiers -- support for external page tables
Date: Wed, 05 Sep 2007 22:32:47 +0300 [thread overview]
Message-ID: <46DF045F.4020806@qumranet.com> (raw)
In-Reply-To: <46DF0234.7090504@redhat.com>
Rik van Riel wrote:
>>
>> I imagine that many of the paravirt_ops mmu hooks will need to be
>> exposed as pte notifiers. This can't be done as part of the
>> paravirt_ops code due to the need to pass high level data structures,
>> though.
>
> Wait, I thought that paravirt_ops was all on the side of the
> guest kernel, where these host kernel operations are invisible?
>
It is, but the hooks are in much the same places. It could be argued
that you'd embed pte notifiers in paravirt_ops for a host kernel, but
that's not doable because pte notifiers use higher-level data strutures
(like vmas).
--
Any sufficiently difficult bug is indistinguishable from a feature.
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next prev parent reply other threads:[~2007-09-05 19:32 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-05 16:38 Avi Kivity
2007-09-05 19:05 ` Rik van Riel
2007-09-05 19:14 ` Avi Kivity
2007-09-05 19:23 ` Rik van Riel
2007-09-05 19:32 ` Avi Kivity [this message]
2007-09-06 11:28 ` Jeremy Fitzhardinge
2007-09-05 20:40 ` Jack Steiner
2007-09-05 20:40 ` Avi Kivity
2007-09-05 20:42 ` Avi Kivity
2007-09-06 6:24 ` [ofa-general] " Gleb Natapov
2007-09-06 8:35 ` Avi Kivity
2007-09-06 8:41 ` Gleb Natapov
2007-09-10 18:17 ` Andrew Hastings
2007-09-11 10:37 ` Daniel J Blueman
2007-09-11 11:19 ` Gleb Natapov
2007-09-05 19:32 [PATCH][RFC] " Avi Kivity
2007-09-06 4:28 ` Shaohua Li
2007-09-06 8:38 ` Avi Kivity
2007-09-06 13:28 ` Andi Kleen
[not found] ` <p73myw09g5w.fsf@bingen.suse.de>
2007-09-06 15:17 ` Avi Kivity
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