On 6/4/19 5:20 AM, Peter Zijlstra wrote:
> On Mon, May 20, 2019 at 04:59:14PM -0400, Waiman Long wrote:
>> @@ -286,6 +325,7 @@ struct rwsem_waiter {
>> struct task_struct *task;
>> enum rwsem_waiter_type type;
>> unsigned long timeout;
>> + long last_rowner;
>> };
>> #define rwsem_first_waiter(sem) \
>> list_first_entry(&sem->wait_list, struct rwsem_waiter, list)
>> +static inline bool rwsem_reader_phase_trylock(struct rw_semaphore *sem,
>> + long last_rowner)
>> +static inline bool rwsem_reader_phase_trylock(struct rw_semaphore *sem,
>> + unsigned long last_rowner)
>> + waiter.last_rowner = atomic_long_read(&sem->owner);
> That's somewhat inconsistent wrt the type. I'll make it unsigned long,
> as that is what makes most sense, given there's a pointer inside.
Thank for spotting that, I will fix it.
-Longman
