From mboxrd@z Thu Jan  1 00:00:00 1970
From: Juergen Gross <juergen.gross@ts.fujitsu.com>
Subject: Re: do_domctl and EAGAIN
Date: Tue, 07 Apr 2009 10:36:07 +0200
Message-ID: <49DB1077.5070601@ts.fujitsu.com>
References: <C600C384.80D8%keir.fraser@eu.citrix.com>
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Keir Fraser wrote:
> On 07/04/2009 08:41, "Juergen Gross" <juergen.gross@ts.fujitsu.com> wrote:
> 
>> Keir Fraser wrote:
>>> Only DOMCTL_destroydomain returns EAGAIN. No domctl returns EINTR.
>> do_domctl uses ioctl.
>> ioctl can return EINTR if a signal is caught.
>>
>> Other hypercalls do return EAGAIN.
> 
> Which ones?

XEN_SYSCTL_pm_op (this one is tested by caller)
xenstore calls (tested by caller)
mmuext_op (NOT always checked by caller)


Juergen

-- 
Juergen Gross                 Principal Developer Operating Systems
TSP ES&S SWE OS6                       Telephone: +49 (0) 89 636 47950
Fujitsu Technolgy Solutions               e-mail: juergen.gross@ts.fujitsu.com
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