Re: [Qemu-devel] [PATCH v7 0/4] rng-builtin: add an RNG backend that uses qemu_guest_getrandom()

[Markus Armbruster]

Laurent Vivier <address@hidden> writes:

> On 05/06/2019 15:05, Markus Armbruster wrote:
>> Laurent Vivier <address@hidden> writes:
>> 
>>> Add a new RNG backend using QEMU builtin getrandom function.
>>>
>>> v7: rebase on master
>>>     Make rng-builtin asynchronous with QEMUBH (removed existing R-b)
>> 
>> Pardon the ignorant question: why is that necessary?
>> 
>
> Because request_entropy() function is called while the request is not in
> the requests queue, so the loop on !QSIMPLEQ_EMPTY(&s->parent.requests)
> doens't process it. The request is added just after the call.

In rng_backend_request_entropy().  I see.  Any particular reason for
this order?  "I don't know" is an acceptable answer :)