From: Markus Armbruster <armbru@redhat.com>
To: Pat Campbell <plc@novell.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"Daniel P. Berrange" <berrange@redhat.com>
Subject: Re: [RFC] Dynamic modes support for PV xenfb (included)
Date: Wed, 30 Jan 2008 10:43:27 +0100 [thread overview]
Message-ID: <87hcgv643k.fsf@pike.pond.sub.org> (raw)
In-Reply-To: <479D2669.5060105@novell.com> (Pat Campbell's message of "Sun\, 27 Jan 2008 17\:48\:41 -0700")
The current PVFB code shares the framebuffer as follows. The
framebuffer is described by a two level directory. The first level is
the page directory pd[] in the shared page. pd[] contains the mfns of
the second level directory pages. Those form an array containing the
mfns of the framebuffer.
Your patch replaces both levels of the page directory by grants, but
not the framebuffer itself. What exactly does that buy us?
next prev parent reply other threads:[~2008-01-30 9:43 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-28 0:48 [RFC] Dynamic modes support for PV xenfb (included) Pat Campbell
2008-01-28 8:07 ` Keir Fraser
2008-01-30 9:43 ` Markus Armbruster [this message]
2008-01-30 13:41 ` Pat Campbell
2008-01-30 17:45 ` Markus Armbruster
2008-01-30 20:27 ` Pat Campbell
2008-01-31 8:22 ` Gerd Hoffmann
2008-01-31 8:50 ` Markus Armbruster
2008-01-31 9:06 ` Markus Armbruster
2008-01-30 20:43 ` Daniel P. Berrange
2008-02-28 10:36 ` Keir Fraser
2008-02-28 11:36 ` Markus Armbruster
-- strict thread matches above, loose matches on Subject: below --
2008-03-09 21:19 Pat Campbell
2008-03-09 21:29 ` Samuel Thibault
2008-03-10 12:36 ` Samuel Thibault
2008-03-10 16:16 ` Samuel Thibault
2008-03-10 16:36 ` Samuel Thibault
2008-03-12 17:04 ` Markus Armbruster
2008-03-13 13:05 ` Pat Campbell
2008-03-13 19:53 ` Pat Campbell
2008-03-14 16:39 ` Markus Armbruster
2008-02-04 18:49 [RFC]Dynamic " Pat Campbell
2008-02-05 9:52 ` Markus Armbruster
2008-02-05 23:38 ` Pat Campbell
2008-02-06 15:49 ` Markus Armbruster
2007-12-31 12:27 [RFC] Dynamic " Pat Campbell
2008-01-02 10:51 ` Gerd Hoffmann
[not found] <476133BC0200001800606E1D@sinclair.provo.novell.com>
[not found] ` <476999300200001800607A16@sinclair.provo.novell.com>
2007-12-20 5:20 ` Pat Campbell
2007-12-23 21:58 ` Mark Williamson
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