On 08/12/2016 05:59 PM, Waiman Long wrote: > + * The lock and the hpet value are stored together and can be read in a > + * single atomic 64-bit read. It is explicitly assumed that arch_spinlock_t > + * is 32 bits in size.
This requirement forces us to give up all of the goodness of lockdep. Is this strictly a performance optimization or is there some function requirement behind it as well?
