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Re: [Xen-devel] [PATCH 2 of 3] blktap3/libxl: Check whether blktap3 is available

Thanos Makatos writes ("RE: [Xen-devel] [PATCH 2 of 3] blktap3/libxl: Check 
whether blktap3 is  available"):
> > I'm not sure I understand this comment.  What is not thread-safe about
> > controlling it via xenstore ?
> There are some operations that need to be performed on running tapdisks that 
> do not involve XenStore, e.g. refreshing a tapdisk as the result of a VHD 
> snapshot operation.

You mean "there are some operations whose control path will be outside
xenstore in the current design", I think ?

How will these control operations be invoked when the tapdisk is
running in a driver/stub/backend domain rather than the same domain as
the main toolstack ?


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