Re: [Xen-devel] do_domctl and EAGAIN

To:	Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] do_domctl and EAGAIN
From:	Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
Date:	Tue, 07 Apr 2009 10:36:07 +0200
Cc:	"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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Keir Fraser wrote:
> On 07/04/2009 08:41, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx
Otto-Hahn-Ring 6                        Internet: ts.fujitsu.com
D-81739 Muenchen                 Company details: ts.fujitsu.com/imprint.html

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Re: [Xen-devel] do_domctl and EAGAIN