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From: Ian Jackson <Ian.Jackson@eu.citrix.com>
To: Wei Liu <wei.liu2@citrix.com>
Cc: Anthony PERARD <anthony.perard@citrix.com>,
	Xen-devel <xen-devel@lists.xenproject.org>,
	George Dunlap <george.dunlap@eu.citrix.com>
Subject: Re: [PATCH for-4.7] Revert "libxl: No emulated disk driver for xvdX disk"
Date: Wed, 8 Jun 2016 16:32:13 +0100	[thread overview]
Message-ID: <22360.14973.905824.176312@mariner.uk.xensource.com> (raw)
In-Reply-To: <1465399864-9711-1-git-send-email-wei.liu2@citrix.com>

Wei Liu writes ("[PATCH for-4.7] Revert "libxl: No emulated disk driver for xvdX disk""):
> This reverts c0c099d157cc5bc942afef766cf141628a6380a1.
> 
> That commit causes regression on the semantics of our diskspec.
> See [0] for more information.
> 
> [0] http://lists.xen.org/archives/html/xen-devel/2016-05/msg02876.html
> 
> Signed-off-by: Wei Liu <wei.liu2@citrix.com>
> ---
> Please review carefully about this patch. There are one commit that is
> of interest: ef6cb76026628e26e3d1ae53c50ccde1c3c78b1b
> 
> I believe the reverting the snippet in question won't cause security
> issue as described in XSA-142, because the code to create IDE disk still
> checks if the disk is read-only.

Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>

I think this is the right answer for 4.7.  In 4.8 we should do
something like one of the proposals being discussed in this thread.

Thanks,
Ian.

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  reply	other threads:[~2016-06-08 15:32 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-08 15:31 [PATCH for-4.7] Revert "libxl: No emulated disk driver for xvdX disk" Wei Liu
2016-06-08 15:32 ` Ian Jackson [this message]
2016-06-08 15:52   ` Wei Liu
2016-06-08 16:00     ` George Dunlap
2016-06-08 16:17       ` Olaf Hering
2016-06-08 17:55         ` Konrad Rzeszutek Wilk
2016-06-09 13:23           ` Olaf Hering
2016-06-13  8:41             ` George Dunlap
2016-06-13 10:21               ` Olaf Hering
2016-06-13 10:23                 ` George Dunlap

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