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Re: [PATCH v10 02/11] xen: introduce implementation of save/restore of 'domain context'
- To: Paul Durrant <paul@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Mon, 25 Jan 2021 18:36:36 +0000
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- Cc: Paul Durrant <pdurrant@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 08/10/2020 19:57, Paul Durrant wrote:
> diff --git a/xen/common/save.c b/xen/common/save.c
> new file mode 100644
> index 0000000000..9287b20198
> --- /dev/null
> +++ b/xen/common/save.c
> @@ -0,0 +1,339 @@
>
> +static int load_start(struct domain *d, struct domain_ctxt_state *c)
> +{
> + static struct domain_context_start s;
> + unsigned int i;
> + int rc = domain_load_ctxt_rec(c, DOMAIN_CONTEXT_START, &i, &s,
> sizeof(s));
> +
> + if ( rc )
> + return rc;
> +
> + if ( i )
> + return -EINVAL;
> +
> + /*
> + * Make sure we are not attempting to load an image generated by a newer
> + * version of Xen.
> + */
> + if ( s.xen_major > XEN_VERSION && s.xen_minor > XEN_SUBVERSION )
major > XEN_VERSON || (major == XEN_VERSION && minor > XEN_SUBVERSION)
~Andrew
|
