From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [BUGFIX][PATCH 4/4] XEN_DOMCTL_gdbsx_guestmemio:
 always do the copyback.
Date: Mon, 6 Jan 2014 15:43:47 +0000
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To: Andrew Cooper <andrew.cooper3@citrix.com>
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On Sun, 2014-01-05 at 23:35 +0000, Andrew Cooper wrote:
> While this does change the ABI of a hypercall, I think it is
> reasonable to do, as domctl.h does imply that 'remain' is an output
> parameter, without specifying anything about its behaviour in the case
> of an error. 

The domctl ABI is subject to change anyway.

We don't seem to have had any cause to bump XEN_DOMCTL_INTERFACE_VERSION
during the 4.4 dev cycle yet. I don't think this change warrants it
either.

Ian.