On Thu, 2 Nov 2017 23:16:16 +0100 Vlastimil Babka <[email protected]> wrote:
> > + if (spin) {
> > + /* We spin waiting for the owner to release us
> > */
> > + spin_acquire(&console_owner_dep_map, 0, 0,
> > _THIS_IP_);
> > + /* Owner will clear console_waiter on hand off
> > */
> > + while (!READ_ONCE(console_waiter))
>
> This should not be negated, right? We should spin while it's true, not
> false.
Ug, yes. How did that not crash in my tests.
Will fix.
-- Steve
