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xen-devel
Re: [Xen-devel] do_domctl and EAGAIN
On 07/04/2009 09:36, "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxx> wrote:
> XEN_SYSCTL_pm_op (this one is tested by caller)
Yes, and indeed has to be checked by the caller, rather than hidden, since
it's an odd EAGAIN-with-side-effects.
> xenstore calls (tested by caller)
Not really hypercalls as such.
> mmuext_op (NOT always checked by caller)
Nah, that doesn't return EINTR. EAGAIN/EINTR is used a lot in Xen's mm.c,
but shouldn't leak into hypercall return values. That'd be a
non-backward-compatible bug.
-- Keir
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