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Wed, 30 Sep 2020 07:41:33 -0700 (PDT) Date: Wed, 30 Sep 2020 14:41:32 +0000 From: Wei Liu To: Paul Durrant Cc: xen-devel@lists.xenproject.org, Paul Durrant , Andrew Cooper , George Dunlap , Ian Jackson , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu , Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= Subject: Re: [PATCH v9 5/8] docs / tools: specific migration v4 to include DOMAIN_CONTEXT Message-ID: <20200930144132.pcr5twas3pnhri6o@liuwe-devbox-debian-v2> References: <20200924131030.1876-1-paul@xen.org> <20200924131030.1876-6-paul@xen.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200924131030.1876-6-paul@xen.org> User-Agent: NeoMutt/20180716 On Thu, Sep 24, 2020 at 02:10:27PM +0100, Paul Durrant wrote: > From: Paul Durrant > > A new 'domain context' framework was recently introduced to facilitate > transfer of state for both PV and HVM guests. Hence this patch mandates the > presence of a new DOMAIN_CONTEXT record in version 4 of the libxc migration > stream. > This record will incorprate the content of the domain's 'shared_info' page > and the TSC informaiton so the SHARED_INFO and TSC_INFO records are deprecated. > It is intended that, in future, this record will contain state currently > present in the HVM_CONTEXT record. However, for compatibility with earlier > migration streams, the version 4 stream format continues to specify an > HVM_CONTEXT record and XEN_DOMCTL_sethvmcontext will continue to accept all > content of that record that may be present in a version 3 stream. > > Signed-off-by: Paul Durrant Acked-by: Wei Liu I would like Andrew to give an explicit ack on this patch.