From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@linaro.org>
Subject: Re: [PATCH RFC] make error codes a formal part of the
 ABI
Date: Wed, 14 Jan 2015 10:52:41 +0000
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To: Ian Campbell <Ian.Campbell@eu.citrix.com>, Jan Beulich <JBeulich@suse.com>
Cc: Keir Fraser <keir@xen.org>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>, xen-devel <xen-devel@lists.xenproject.org>, =?windows-1252?Q?Roger_Pau_?= =?windows-1252?Q?Monn=E9?= <roger.pau@citrix.com>
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Hi Ian,

On 14/01/2015 10:28, Ian Campbell wrote:
>>> (I suppose someone needs to patch libxc et al to actually use this)
>>
>> The primary consumer, as said in the description, is meant to be
>> hvmloader. But yes, other tools parts may also want to follow
>> that.
>
> /me wonders how libxc has been getting away with out this until now,
> especially on non-Linux platforms.

On FreeBSD, we translate the XEN errno to the guest one in the privcmd 
drivers.

See 
http://xenbits.xen.org/gitweb/?p=people/royger/freebsd.git;a=patch;h=f09eeed01bc884b37e978f6ec6e3e7a86778ef4b

Regards,

-- 
Julien Grall