From: Jason Andryuk <jandryuk@gmail.com>
To: Paul Durrant <pdurrant@amazon.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
Julien Grall <julien@xen.org>, Wei Liu <wl@xen.org>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>,
Jan Beulich <jbeulich@suse.com>,
Anthony PERARD <anthony.perard@citrix.com>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [Xen-devel] [PATCH v3 4/6] libxl: allow creation of domains with a specified or random domid
Date: Thu, 16 Jan 2020 10:53:33 -0500 [thread overview]
Message-ID: <CAKf6xpt1csug1wn5RU8btefK+11eXGXhMjDpFT-44bxn4wpDQw@mail.gmail.com> (raw)
In-Reply-To: <20200116093602.4203-5-pdurrant@amazon.com>
On Thu, Jan 16, 2020 at 4:36 AM Paul Durrant <pdurrant@amazon.com> wrote:
>
> This patch adds a 'domid' field to libxl_domain_create_info and then
> modifies do_domain_create() to use that value if it is valid. Any valid
> domid will be checked against the retired domid list before being passed
> to libxl__domain_make().
> If the domid value is invalid then Xen will choose the domid, as before,
> unless the value is the new special RANDOM_DOMID value added to the API.
> This value instructs libxl__domain_make() to select a random domid value,
> check it for validity, verify it does not match a retired domain, and then
> pass it to Xen's XEN_DOMCTL_createdomain operation. If Xen determines that
> it co-incides with an existing domain, a new random value will be
> selected and the operation will be re-tried.
>
> NOTE: libxl__logv() is also modified to only log valid domid values in
> messages rather than any domid, valid or otherwise, that is not
> INVALID_DOMID.
>
> Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Looks good.
Reviewed-by: Jason Andryuk <jandryuk@gmail.com>
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next prev parent reply other threads:[~2020-01-16 15:54 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 9:35 [Xen-devel] [PATCH v3 0/6] xl/libxl: domid allocation/preservation changes Paul Durrant
2020-01-16 9:35 ` [Xen-devel] [PATCH v3 1/6] libxl: add definition of INVALID_DOMID to the API Paul Durrant
2020-01-16 9:35 ` [Xen-devel] [PATCH v3 2/6] libxl_create: make 'soft reset' explicit Paul Durrant
2020-01-16 9:35 ` [Xen-devel] [PATCH v3 3/6] libxl: add infrastructure to track and query 'retired' domids Paul Durrant
2020-01-16 18:27 ` Ian Jackson
2020-01-17 9:26 ` Durrant, Paul
2020-01-17 11:31 ` Ian Jackson
2020-01-16 9:36 ` [Xen-devel] [PATCH v3 4/6] libxl: allow creation of domains with a specified or random domid Paul Durrant
2020-01-16 9:40 ` Jan Beulich
2020-01-16 9:46 ` Durrant, Paul
2020-01-16 9:59 ` Jan Beulich
2020-01-16 15:53 ` Jason Andryuk [this message]
2020-01-16 18:36 ` Ian Jackson
2020-01-17 9:37 ` Durrant, Paul
2020-01-17 11:35 ` Ian Jackson
2020-01-17 12:06 ` Durrant, Paul
2020-01-17 15:30 ` Ian Jackson
2020-01-20 8:18 ` Durrant, Paul
2020-01-16 9:36 ` [Xen-devel] [PATCH v3 5/6] xl.conf: introduce 'domid_policy' Paul Durrant
2020-01-16 18:37 ` Ian Jackson
2020-01-16 9:36 ` [Xen-devel] [PATCH v3 6/6] xl: allow domid to be preserved on save/restore or migrate Paul Durrant
2020-01-16 18:39 ` Ian Jackson
2020-01-16 18:43 ` [Xen-devel] [PATCH v3 0/6] xl/libxl: domid allocation/preservation changes Ian Jackson
2020-01-17 9:11 ` Durrant, Paul
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