From: Ian Campbell <ian.campbell@citrix.com>
To: Oleksandr Dmytryshyn <oleksandr.dmytryshyn@globallogic.com>
Cc: Keir Fraser <keir@xen.org>,
Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
xen-devel <xen-devel@lists.xen.org>,
Stefano Stabellini <stefano.stabellini@citrix.com>,
Jan Beulich <jbeulich@suse.com>
Subject: Re: Question about mapping between domains
Date: Tue, 14 Jul 2015 16:49:32 +0100 [thread overview]
Message-ID: <1436888972.11153.4.camel@citrix.com> (raw)
In-Reply-To: <CAN58jitB6NFghT7kQ7QbuZydQwswtzAVzc5_FM3xj2i9BZgjXA@mail.gmail.com>
On Tue, 2015-07-14 at 18:31 +0300, Oleksandr Dmytryshyn wrote:
> > There is an additional quirk for a 1:1 mapped dom0 which is that we
> > don't actually decrease reservation when ballooning, but keep the 1:1
> > mfn in anticipation of ballooning it back in later.
> Could You please tell me a bit more information about this quirk. How this quirk
> can be enabled?
It's enabled by the same dom0_11_mapping which the dom0 domain_builder
uses, look for uses of is_domain_direct_mapped, in particular the ones
in xen/common/memory.c.
Ian.
next prev parent reply other threads:[~2015-07-14 15:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-09 13:31 Question about mapping between domains Oleksandr Dmytryshyn
2015-07-13 9:04 ` Ian Campbell
2015-07-14 15:31 ` Oleksandr Dmytryshyn
2015-07-14 15:41 ` Oleksandr Dmytryshyn
2015-07-14 15:50 ` Ian Campbell
2015-07-15 8:28 ` Oleksandr Dmytryshyn
2015-07-15 11:51 ` Stefano Stabellini
2015-07-15 12:00 ` Ian Campbell
2015-07-14 15:49 ` Ian Campbell [this message]
2015-07-17 7:43 ` Oleksandr Dmytryshyn
2015-07-17 8:59 ` Ian Campbell
2015-07-22 12:07 ` Oleksandr Dmytryshyn
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1436888972.11153.4.camel@citrix.com \
--to=ian.campbell@citrix.com \
--cc=ian.jackson@eu.citrix.com \
--cc=jbeulich@suse.com \
--cc=keir@xen.org \
--cc=oleksandr.dmytryshyn@globallogic.com \
--cc=stefano.stabellini@citrix.com \
--cc=tim@xen.org \
--cc=xen-devel@lists.xen.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.