> > 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: qi.z.zh...@intel.com > > > > Signed-off-by: Darek Stojaczyk <dariusz.stojac...@intel.com> > > Acked-by: Qi Zhang <qi.z.zh...@intel.com>
Applied, thanks