From: Jeremy Fitzhardinge <jeremy-TSDbQ3PG+2Y@public.gmane.org>
To: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: Marcelo Tosatti <marcelo-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org>,
kvm-devel
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: [mtosatti-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org: [patch 3/4] paravirt: set_access_flags/set_wrprotect should use paravirt interface]
Date: Thu, 31 Jan 2008 10:28:17 -0800 [thread overview]
Message-ID: <47A21341.5020109@goop.org> (raw)
In-Reply-To: <47A17637.4050800-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Avi Kivity wrote:
> It has the advantage of not falsely triggering any unshadowing
> heuristics, and of avoiding the lovely x86 emulator. Not sure how big
> that advantage is, though.
Fair enough. But doing partial pte updates needs an update-with-mask
hypercall (or something) to prevent the hardware race.
J
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prev parent reply other threads:[~2008-01-31 18:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080130223928.GA26561@dmt>
2008-01-30 23:00 ` [mtosatti-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org: [patch 3/4] paravirt: set_access_flags/set_wrprotect should use paravirt interface] Jeremy Fitzhardinge
[not found] ` <47A101A1.9030705-TSDbQ3PG+2Y@public.gmane.org>
2008-01-31 0:39 ` Marcelo Tosatti
2008-01-31 1:44 ` Jeremy Fitzhardinge
2008-01-31 7:18 ` Avi Kivity
[not found] ` <47A17637.4050800-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-31 18:28 ` Jeremy Fitzhardinge [this message]
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