From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>
Cc: Keir Fraser <keir@xen.org>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Tim Deegan <tim@xen.org>, Ian Jackson <Ian.Jackson@eu.citrix.com>,
Ian Campbell <Ian.Campbell@eu.citrix.com>,
Wei Liu <wei.liu2@citrix.com>
Subject: Re: [PATCH v3] x86/HVM: correct page dirty marking in hvm_map_guest_frame_rw()
Date: Tue, 20 Oct 2015 11:43:10 +0100 [thread overview]
Message-ID: <56261ABE.3010404@citrix.com> (raw)
In-Reply-To: <5625202002000078000AC6C4@prv-mh.provo.novell.com>
On 19/10/15 15:53, Jan Beulich wrote:
> Rather than dirtying a page when establishing a (permanent) mapping,
> dirty it when the page gets unmapped, or - if still mapped - on the
> final iteration of a save operation (or in other cases where the guest
> is paused or already shut down). (Transient mappings continue to get
> dirtied upon getting mapped, to avoid the overhead of tracking.)
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
next prev parent reply other threads:[~2015-10-20 10:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-19 14:53 [PATCH v3] x86/HVM: correct page dirty marking in hvm_map_guest_frame_rw() Jan Beulich
2015-10-20 10:43 ` Andrew Cooper [this message]
2015-10-26 13:09 ` Ping: " Jan Beulich
2015-10-26 15:20 ` Wei Liu
2015-10-26 15:42 ` Ian Jackson
2015-10-26 15:51 ` Wei Liu
2015-10-26 15:52 ` Ian Jackson
2015-10-26 15:55 ` Wei Liu
2015-10-26 16:29 ` Ian Jackson
2015-10-26 16:00 ` Jan Beulich
2015-10-26 16:05 ` Wei Liu
2015-10-26 16:15 ` Jan Beulich
2015-10-26 16:17 ` Wei Liu
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