2017-02-06 15:10, Stephen Hemminger: > On Mon, 6 Feb 2017 14:16:53 +0100 > Olivier Matz <olivier.m...@6wind.com> wrote: > > > +**Implication**: > > + In this situation, the shared data will be modified by the driver, > > + potentially causing race conditions with the other users of the mbuf > > + data. > > This is a driver bug! The driver must check for refcount and not modify > mbuf's whose refcnt > 1. For those mbuf's it should copy the mbuf and modify > the copy. > > It is not good to force buggy refcnt handling back onto the application. > It is acceptable to document the performance impact.
Everybody agree it is a bug. Unfortunately, nobody has time to work on it in this release. So it is better than nothing to document the bug. Applied, thanks
