On Mon, Feb 10, 2020 at 09:46:26AM -0800, Linus Torvalds wrote: > On Mon, Feb 10, 2020 at 7:06 AM Alexey Gladkov <gladkov.alexey@xxxxxxxxx> wrote: > > > > This allows to flush dcache entries of a task on multiple procfs mounts > > per pid namespace. > > > > The RCU lock is used because the number of reads at the task exit time > > is much larger than the number of procfs mounts. > > Ok, this looks better to me than the previous version. > > But that may be the "pee-in-the-snow" effect, and I _really_ want > others to take a good look at the whole series. > > The right people seem to be cc'd, but this is pretty core, and /proc > has a tendency to cause interesting issues because of how it's > involved in a lot of areas indirectly. > > Al, Oleg, Andy, Eric? Will check tonight (ears-deep in sorting out the old branches right now)
