On Wed, 2016-08-31 at 15:42 +0200, Manfred Spraul wrote:
> As explained in commit 51d7d5205d33
> ("powerpc: Add smp_mb() to arch_spin_is_locked()", for some architectures
> the ACQUIRE during spin_lock only applies to loading the lock, not to
> storing the lock state.
>
> nf_conntrack_lock() does
As explained in commit 51d7d5205d33
("powerpc: Add smp_mb() to arch_spin_is_locked()", for some architectures
the ACQUIRE during spin_lock only applies to loading the lock, not to
storing the lock state.
nf_conntrack_lock() does not handle this correctly:
/* 1) Acquire the lock */
