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From: Frediano Ziglio <frediano.ziglio@citrix.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Ian Campbell <Ian.Campbell@citrix.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	linux-api@vger.kernel.org
Subject: Re: [PATCH 1/2] xen: Implement ioctl to restrict privcmd to a specific domain
Date: Thu, 31 Jul 2014 15:43:43 +0100	[thread overview]
Message-ID: <E1XCraR-00083r-MZ@lists.xen.org> (raw)
In-Reply-To: <E1XCr4q-0007Nh-3J@lists.xen.org>

On Thu, 2014-07-31 at 15:11 +0100, David Vrabel wrote:
> On 31/07/14 14:53, Ian Campbell wrote:
> > On Thu, 2014-07-31 at 14:16 +0100, Frediano Ziglio wrote:
> > 
> >>  include/xen/interface/domctl.h     | 1090 ++++++++++++++++++++++++++++++++++++
> > 
> > domctl is an stable toolstack only hypervisor interface, so the kernel
> > cannot use it because it would then break.
> 
> Ok.  I guess we'll have to resurrect the idea to do something with XSM.
> 
> David
> 

The code just require that:
- sizeof(struct xen_domctl) does not increase;
- position and size of cmd, domain and interface_version does not
change;
- XEN_DOMCTL_createdomain is 1.

For safety there is a check on interface_version.

Frediano

  parent reply	other threads:[~2014-07-31 14:43 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E1XCqEY-0005zn-RQ@lists.xen.org>
2014-07-31 13:53 ` [PATCH 1/2] xen: Implement ioctl to restrict privcmd to a specific domain Ian Campbell
     [not found] ` <1406814787.10395.2.camel@kazak.uk.xensource.com>
2014-07-31 14:11   ` David Vrabel
     [not found]   ` <E1XCr4q-0007Nh-3J@lists.xen.org>
2014-07-31 14:43     ` Frediano Ziglio [this message]
     [not found]     ` <1406817823.6753.4.camel@hamster.uk.xensource.com>
2014-07-31 14:58       ` Ian Campbell
     [not found]   ` <E1XCr4p-0007Nh-Qu@lists.xen.org>
     [not found]     ` <E1XCr4p-0007Nh-Qu-GuqFBffKawuEi8DpZVb4nw@public.gmane.org>
2014-07-31 17:49       ` [Xen-devel] " George Dunlap
     [not found]         ` <CAFLBxZYnaeEGTbuU5QoKJOU62Ck9p_B53bjAd46Z7uVgOxXH8g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-31 17:58           ` David Vrabel
     [not found] <201407311317.s6VDHJV9013633@aserp1020.oracle.com>
2014-08-04 20:26 ` Konrad Rzeszutek Wilk
2014-08-05  9:10   ` Frediano Ziglio
2014-08-05 13:42     ` Konrad Rzeszutek Wilk
     [not found]       ` <20140805134220.GD13057-0iZWjJA6G8GSPmnEAIUT9EEOCMrvLtNR@public.gmane.org>
2014-08-05 13:45         ` David Vrabel
     [not found]           ` <53E0DFFE.9090202-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2014-08-06 10:52             ` Frediano Ziglio
2014-07-31 13:16 Frediano Ziglio

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