Messages in this thread | | | Subject | Re: [PATCH 2/3] xen: return xenstore command failures via response instead of rc | From | Juergen Gross <> | Date | Thu, 22 Dec 2016 16:55:13 +0100 |
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On 22/12/16 16:49, Boris Ostrovsky wrote: > On 12/22/2016 02:19 AM, Juergen Gross wrote: >> When the xenbus driver does some special handling for a Xenstore >> command any error condition related to the command should be returned >> via an error response instead of letting the related write operation >> fail. Otherwise the user land handler might take wrong decisions >> assuming the connection to Xenstore is broken. > > Do we expect the user to always read the reply if no error code was > returned?
Absolutely, yes. This is how error reporting of Xenstore is working.
Juergen
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