> > Consider the following scenario:
> >
> > 1) primary process (A) starts, probes the bus
> > 2) a secondary process (B) starts, probes the bus
> > 3) yet another secondary process (C) starts
> > 4) (C) registers the pci driver and hotplugs the device
> > * an IPC attach req is sent to the primary (A)
> > * (A) ignores the -EEXIST from process-local probe
> > * (A) propagates the request to all secondary processes
> > * (B) responds with -EEXIST
> > * (A) replies to the original request with the -EEXIST
> > return code
> > * the -EEXIST is returned back to the user, although the
> > device was successfully attached both locally and in
> > all other processes
> >
> > This patch makes the primary process reply with rc=0 even if there was
> > another
> > secondary process with the device already attached. The primary process
> > already didn't reply with -EEXIST when the device was attached locally, so
> > now
> > this behavior is even more consistent. Looking by the code, this seems to
> > be the
> > originally intended behavior.
> >
> > Fixes: ac9e4a17370f ("eal: support attach/detach shared device from
> > secondary")
> > Cc: [email protected]
> >
> > Signed-off-by: Darek Stojaczyk <[email protected]>
>
> Acked-by: Qi Zhang <[email protected]>
Applied, thanks
