Re: [PATCH RFC 12/26] arm64: Remove spin_unlock_wait() arch-specific definitions

2017-06-30 Thread Paul E. McKenney
On Fri, Jun 30, 2017 at 10:20:57AM +0100, Will Deacon wrote: > On Thu, Jun 29, 2017 at 05:01:20PM -0700, 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 com

Re: [PATCH RFC 12/26] arm64: Remove spin_unlock_wait() arch-specific definitions

2017-06-30 Thread Will Deacon
On Thu, Jun 29, 2017 at 05:01:20PM -0700, 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 removes the underlying arch-specific > arch_spin_unlock

[PATCH RFC 12/26] arm64: Remove spin_unlock_wait() arch-specific definitions

2017-06-29 Thread Paul E. McKenney
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 removes the underlying arch-specific arch_spin_unlock_wait(). Signed-off-by: Paul E. McKenney Cc: Catalin Marinas Cc: Will D