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Re: [Xen-devel] [PATCH 2 of 3] Re-name xenstore key used to save VM generation ID buffer address



Paul Durrant writes ("Re: [Xen-devel] [PATCH 2 of 3] Re-name xenstore key used 
to save VM generation ID buffer address"):
> > -----Original Message-----
> > > -    xenstore_write("data/generation-id", addr);
> > > +    xenstore_write("hvmloader/generation-id-address", addr);
> > 
> > Will just making just this change to hvmloader not cause failures
> > without the corresponding patch to the toolstack to make that path
> > writeable ?
> > 
> 
> The xenstore-write will fail with EACCES but the failure is ignored so there 
> should be no knock-on failure. Nothing consumes the key until the subsequent 
> tools patch is applied, at which point the xenstore-write will work because 
> the tools will have made the key writable.

Um, right.  OK, I guess.

Is fault-oblivious computing the usual approach inside hvmloader ?

Ian.

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