From: David Vrabel <david.vrabel@citrix.com>
To: Jan Beulich <JBeulich@suse.com>, Juergen Gross <JGross@suse.com>
Cc: Tim Deegan <tim@xen.org>,
wei.liu2@citrix.com, Ian.Campbell@citrix.com,
stefano.stabellini@eu.citrix.com,
Andrew Cooper <andrew.cooper3@citrix.com>,
ian.jackson@eu.citrix.com, xen-devel@lists.xen.org,
Keir Fraser <keir@xen.org>,
dgdegra@tycho.nsa.gov
Subject: Re: [PATCH v3 01/15] xen: add xenstore domain flag to hypervisor
Date: Fri, 8 Jan 2016 16:13:14 +0000 [thread overview]
Message-ID: <568FE01A.1010405@citrix.com> (raw)
In-Reply-To: <568FD0B902000078000C4E8F@prv-mh.provo.novell.com>
On 08/01/16 14:07, Jan Beulich wrote:
>>>> On 08.01.16 at 14:08, <JGross@suse.com> wrote:
>> --- a/xen/common/domain.c
>> +++ b/xen/common/domain.c
>> @@ -318,6 +318,12 @@ struct domain *domain_create(domid_t domid, unsigned int domcr_flags,
>> hardware_domain = d;
>> }
>>
>> + if ( domcr_flags & DOMCRF_xs_domain )
>> + {
>> + d->is_xenstore = 1;
>> + d->disable_migrate = 1;
>> + }
>
> It only occurred to me now: Wouldn't it be worth denying the domain
> creation request if there already is a xenstore domain?
Running multiple xenstore domains, one for each isolated set of domains
managed by their own toolstack domain with their own backends seems like
a valid (future) use case.
David
next prev parent reply other threads:[~2016-01-08 16:13 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-08 13:08 [PATCH v3 00/15] xenstore: make it easier to run xenstore in a domain Juergen Gross
2016-01-08 13:08 ` [PATCH v3 01/15] xen: add xenstore domain flag to hypervisor Juergen Gross
2016-01-08 14:07 ` Jan Beulich
2016-01-08 16:13 ` David Vrabel [this message]
[not found] ` <568FD0B902000078000C4E8F@suse.com>
2016-01-08 14:22 ` Juergen Gross
2016-01-08 14:25 ` Andrew Cooper
2016-01-08 16:03 ` Jan Beulich
[not found] ` <568FEBE402000078000C500D@suse.com>
2016-01-08 16:10 ` Juergen Gross
2016-01-15 15:50 ` Ian Campbell
2016-01-08 13:08 ` [PATCH v3 02/15] libxc: support new xenstore domain flag in libxc Juergen Gross
2016-01-08 13:08 ` [PATCH v3 03/15] libxl: provide a flag in dominfo to avoid stopping it Juergen Gross
2016-01-15 15:51 ` Ian Campbell
2016-01-08 13:08 ` [PATCH v3 04/15] xenstore: move init-xenstore-domain to tools/helpers Juergen Gross
2016-01-15 15:51 ` Ian Campbell
2016-01-08 13:08 ` [PATCH v3 05/15] xenstore: adjust coding style of init-xenstore-domain.c Juergen Gross
2016-01-15 15:54 ` Ian Campbell
2016-01-08 13:08 ` [PATCH v3 06/15] libxl: move xen-init-dom0 to tools/helpers Juergen Gross
2016-01-15 15:55 ` Ian Campbell
2016-01-08 13:08 ` [PATCH v3 07/15] xenstore: destroy xenstore domain in case of error after creating it Juergen Gross
2016-01-15 16:02 ` Ian Campbell
2016-01-08 13:08 ` [PATCH v3 08/15] xenstore: add error messages to init-xenstore-domain Juergen Gross
2016-01-08 13:08 ` [PATCH v3 09/15] xenstore: modify init-xenstore-domain parameter syntax Juergen Gross
2016-01-08 13:08 ` [PATCH v3 10/15] xenstore: make use of the "xenstore domain" flag Juergen Gross
2016-01-15 16:03 ` Ian Campbell
2016-01-08 13:08 ` [PATCH v3 11/15] xenstore: add init-xenstore-domain parameter to specify cmdline Juergen Gross
2016-01-08 13:08 ` [PATCH v3 12/15] tools: split up xen-init-dom0.c Juergen Gross
2016-01-08 13:08 ` [PATCH v3 13/15] xenstore: write xenstore domain data to xenstore Juergen Gross
2016-01-08 13:08 ` [PATCH v3 14/15] tools: don't stop xenstore domain when stopping dom0 Juergen Gross
2016-01-15 16:12 ` Ian Campbell
2016-01-15 16:24 ` Juergen Gross
2016-01-08 13:08 ` [PATCH v3 15/15] docs: document xenstore domain xenstore paths Juergen Gross
2016-01-15 16:14 ` Ian Campbell
2016-01-15 16:22 ` Juergen Gross
2016-01-15 16:27 ` Ian Campbell
2016-01-15 15:04 ` [PATCH v3 00/15] xenstore: make it easier to run xenstore in a domain Juergen Gross
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