Re: [PATCH RFC 06/26] ipc: Replace spin_unlock_wait() with lock/unlock pair

2017-07-01 Thread Paul E. McKenney
On Sat, Jul 01, 2017 at 09:23:03PM +0200, Manfred Spraul wrote: > On 06/30/2017 02:01 AM, Paul E. McKenney wrote: > >There is no agreed-upon definition of spin_unlock_wait()'s semantics, > >and it appears that all callers could do just as well with a lock/unlock > >pair. This commit therefore repl

Re: [PATCH RFC 06/26] ipc: Replace spin_unlock_wait() with lock/unlock pair

2017-07-01 Thread Manfred Spraul
On 06/30/2017 02:01 AM, Paul E. McKenney wrote: There is no agreed-upon definition of spin_unlock_wait()'s semantics, and it appears that all callers could do just as well with a lock/unlock pair. This commit therefore replaces the spin_unlock_wait() call in exit_sem() with spin_lock() followed