Re: [Xen-devel] [PATCH 2/3] xen: return xenstore command failures via response instead of rc

[Juergen Gross <jgross@xxxxxxxx>]

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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