On Wed, Feb 22, 2017 at 04:11:39AM +0900, Stafford Horne wrote:
> +static inline void arch_spin_unlock(arch_spinlock_t *lock)
> +{
> + smp_mb();
> + lock->tickets.owner++;
> +}This is putting a lot of trust in the compiler, nothing is volatile so it can do horrible things.
