From: Julien Grall <julien@xen.org>
To: Paul Durrant <paul@xen.org>, xen-devel@lists.xenproject.org
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
"Wei Liu" <wl@xen.org>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"Paul Durrant" <pdurrant@amazon.com>,
"Ian Jackson" <ian.jackson@eu.citrix.com>,
"George Dunlap" <george.dunlap@citrix.com>,
"Jan Beulich" <jbeulich@suse.com>,
"Volodymyr Babchuk" <Volodymyr_Babchuk@epam.com>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH v4 1/5] xen/common: introduce a new framework for save/restore of 'domain' context
Date: Thu, 21 May 2020 15:58:36 +0100 [thread overview]
Message-ID: <fd51463d-b656-44ca-d795-1cfe786d943d@xen.org> (raw)
In-Reply-To: <20200521085932.10508-2-paul@xen.org>
Hi,
On 21/05/2020 09:59, Paul Durrant wrote:
> To allow enlightened HVM guests (i.e. those that have PV drivers) to be
> migrated without their co-operation it will be necessary to transfer 'PV'
> state such as event channel state, grant entry state, etc.
>
> Currently there is a framework (entered via the hvm_save/load() functions)
> that allows a domain's 'HVM' (architectural) state to be transferred but
> 'PV' state is also common with pure PV guests and so this framework is not
> really suitable.
>
> This patch adds the new public header and low level implementation of a new
> common framework, entered via the domain_save/load() functions. Subsequent
> patches will introduce other parts of the framework, and code that will
> make use of it within the current version of the libxc migration stream.
>
> This patch also marks the HVM-only framework as deprecated in favour of the
> new framework.
>
> Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Acked-by: Julien Grall <jgrall@amazon.com>
Cheers,
--
Julien Grall
next prev parent reply other threads:[~2020-05-21 14:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-21 8:59 [PATCH v4 0/5] domain context infrastructure Paul Durrant
2020-05-21 8:59 ` [PATCH v4 1/5] xen/common: introduce a new framework for save/restore of 'domain' context Paul Durrant
2020-05-21 14:58 ` Julien Grall [this message]
2020-05-21 8:59 ` [PATCH v4 2/5] xen/common/domctl: introduce XEN_DOMCTL_get/setdomaincontext Paul Durrant
2020-05-21 15:04 ` Julien Grall
2020-05-21 8:59 ` [PATCH v4 3/5] tools/misc: add xen-domctx to present domain context Paul Durrant
2020-05-21 13:33 ` Ian Jackson
2020-05-21 8:59 ` [PATCH v4 4/5] common/domain: add a domain context record for shared_info Paul Durrant
2020-05-21 15:13 ` Julien Grall
2020-05-21 15:25 ` Paul Durrant
2020-05-21 16:00 ` Paul Durrant
2020-05-21 16:02 ` Julien Grall
2020-05-21 8:59 ` [PATCH v4 5/5] tools/libxc: make use of domain context SHARED_INFO record Paul Durrant
2020-05-21 13:34 ` Ian Jackson
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