* Andrew Morton <a...@linux-foundation.org> wrote:
> On Tue, 9 Feb 2016 12:12:29 +0100 Ingo Molnar <mi...@kernel.org> wrote:
>
> > > The conceptual problem is that if some piece of code does
> > > spin_lock_init() or
> > > DEFINE_SPINLOCK(), that lock isn't necessarily initialized yet.
> >
> > The conceptual problem is that the data structures are not build time
> > initialized
> > - but the hlist conversion patch solves that problem nicely!
> >
> > So I'm a happy camper.
>
> OK, so the below has been in -next for nearly a week, no issues. We
> should get this into 4.5 to fix the CONFIG_UBSAN_ALIGNMENT issue.
So I think this patch broke liblockdep:
triton:~/tip/tools/lib/lockdep>
In file included from lockdep.c:2:0:
../../../kernel/locking/lockdep.c: In function ‘look_up_lock_class’:
../../../kernel/locking/lockdep.c:722:2: warning: implicit declaration of
function ‘hlist_for_each_entry_rcu’ [-Wimplicit-function-declaration]
hlist_for_each_entry_rcu(class, hash_head, hash_entry) {
...
Thanks,
Ingo
