From: Ian Campbell <ian.campbell@citrix.com>
To: 高强 <mrgao.buffoon@gmail.com>, xen-devel@lists.xenproject.org
Subject: Re: help for dirty bitmap
Date: Mon, 16 Nov 2015 09:52:29 +0000 [thread overview]
Message-ID: <1447667549.15629.13.camel@citrix.com> (raw)
In-Reply-To: <CAJR0vrF50DNUu3Pf1Z75Wc86z=xSbB60MHuPj48FuTL-w3uZvA@mail.gmail.com>
On Sun, 2015-11-15 at 13:13 +0800, 高强 wrote:
> Hi,alls
>
> As we know,xen 4+ maintains a dirty bitmap. Snapshot or migration
> will use this bitmap. When the guest domain changes the memory page， VMM
> can capture it and set dirty bitmap to 1.
>
> But I can't know how VMM to maintain this dirty bitmap. Under what
> circumstances VMM will set the dirty page bitmap to 1, and how to track
> the page is be dirty?
The keyword you are looking for is "logdirty". Grepping the source base for
that should get you on the right track.
Ian.
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
prev parent reply other threads:[~2015-11-16 9:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-15 5:13 help for dirty bitmap 高强
2015-11-16 9:52 ` Ian Campbell [this message]
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=1447667549.15629.13.camel@citrix.com \
--to=ian.campbell@citrix.com \
--cc=mrgao.buffoon@gmail.com \
--cc=xen-devel@lists.xenproject.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.