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From: Marek Marczykowski <marmarek@invisiblethingslab.com>
To: Roger Pau Monne <roger.pau@citrix.com>
Cc: Joanna Rutkowska <joanna@invisiblethingslab.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH v3 0/5] libxl: call hotplug scripts from libxl
Date: Mon, 23 Apr 2012 15:47:32 +0200	[thread overview]
Message-ID: <4F955D74.8060602@invisiblethingslab.com> (raw)
In-Reply-To: <4F955999.3030500@citrix.com>


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On 23.04.2012 15:31, Roger Pau Monne wrote:
> Marek Marczykowski escribió:
>> On 20.04.2012 15:23, Roger Pau Monne wrote:
>>> This series removes the use of udev rules to call hotplug scripts when using
>>> libxl. Scripts are directly called from the toolstack at the necessary points,
>>> making use of the new event library and it's fork support.
>>
>> What about non-dom0 backends? There will be no simple way to execute script
>> there by libxl without help from udev...
> 
> A new config option has been added on this series (disable_xl_vif_scripts)
> that allows the user to keep executing vif scripts from udev, so this
> functionality is not lost.
> 
>> In Qubes-OS we heavily use network backend in domU: dom0 have no network at
>> all, all NICs are attached (as PCI device) to some domU - called NetVM, where
>> network backend resides.
> 
> There should be no problem with that, you will just need to use the new option.
> 
>> Also vbd backend in domU is used - eg to boot HVM from iso, which is stored in
>> some domU.
> 
> I didn't know you where able to use vbd from driver domains with xl, if so I
> will have to add a similar option for vbd devices (disable_xl_vbd_scripts).

When starting domU using xl create, I needed to slightly modify disk config
syntax in xl_cmdimpl.c to add backend field (still using xen 4.1, backend
added as the end of disk spec). But everything else worked fine. Especially xl
block-attach, which allow to specify backend domain.
So disable_xl_vbd_scripts option will be helpful.

-- 
Best Regards / Pozdrawiam,
Marek Marczykowski
Invisible Things Lab


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  reply	other threads:[~2012-04-23 13:47 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-20 13:23 Roger Pau Monne
2012-04-20 13:23 ` [PATCH v3 1/5] libxl: allow libxl__exec to take a parameter containing the env variables Roger Pau Monne
2012-04-23 15:37   ` Ian Jackson
2012-04-20 13:23 ` [PATCH v3 2/5] libxl: add libxl__xs_path_cleanup Roger Pau Monne
2012-04-23 15:33   ` Ian Jackson
2012-04-23 15:42     ` Roger Pau Monne
2012-04-23 16:49       ` Ian Jackson
2012-04-23 16:52   ` Ian Jackson
2012-04-25 13:19     ` Roger Pau Monne
2012-05-02  9:44     ` Roger Pau Monne
2012-04-20 13:23 ` [PATCH v3 3/5] libxl: call hotplug scripts from libxl for vbd Roger Pau Monne
2012-04-23 16:48   ` Ian Jackson
2012-04-24  9:16     ` Ian Campbell
2012-04-24 10:09       ` Ian Jackson
2012-04-24 10:17         ` Ian Campbell
2012-04-24 10:27           ` Ian Jackson
2012-04-24 10:29             ` Ian Campbell
2012-04-24 10:37               ` Ian Jackson
2012-04-25 13:53                 ` Roger Pau Monne
2012-04-25 14:59                   ` Ian Campbell
     [not found]     ` <4F982F18.2080902@citrix.com>
2012-04-26 11:48       ` Fwd: " Roger Pau Monne
2012-04-26 12:06         ` Ian Campbell
2012-04-26 12:12           ` Roger Pau Monne
2012-04-26 13:02         ` Ian Jackson
2012-04-26 13:09           ` Ian Campbell
2012-05-11 16:06             ` Ian Jackson
2012-05-11 16:26               ` Ian Campbell
2012-04-20 13:23 ` [PATCH v3 4/5] libxl: call hotplug scripts from libxl for vif Roger Pau Monne
2012-04-23 16:59   ` Ian Jackson
2012-04-24  9:18     ` Ian Campbell
2012-04-25 11:19   ` Ian Campbell
2012-04-25 11:24     ` Roger Pau Monne
2012-04-20 13:23 ` [PATCH v3 5/5] libxl: add "downscript=no" to Qemu call Roger Pau Monne
2012-04-23 15:38   ` Ian Jackson
2012-04-23 12:12 ` [PATCH v3 0/5] libxl: call hotplug scripts from libxl Marek Marczykowski
2012-04-23 13:31   ` Roger Pau Monne
2012-04-23 13:47     ` Marek Marczykowski [this message]
2012-04-23 13:59       ` Non-dom0 block backends (was: Re: [PATCH v3 0/5] libxl: call hotplug scripts from libxl) Joanna Rutkowska
2012-04-23 14:02     ` [PATCH v3 0/5] libxl: call hotplug scripts from libxl Ian Campbell
2012-04-23 16:25       ` Roger Pau Monne
2012-04-24  9:18         ` Ian Campbell

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