Re: [PATCH tip/core/rcu 8/9] rcu: Simplify _rcu_barrier() processing

2013-08-20 Thread Paul E. McKenney
On Tue, Aug 20, 2013 at 05:48:01PM +0800, Lai Jiangshan wrote: > On 08/20/2013 10:42 AM, Paul E. McKenney wrote: > > From: "Paul E. McKenney" > > > > This commit drops an unneeded ACCESS_ONCE() and simplifies an "our work > > is done" check in _rcu_barrier(). This applies feedback from Linus >

Re: [PATCH tip/core/rcu 8/9] rcu: Simplify _rcu_barrier() processing

2013-08-20 Thread Lai Jiangshan
On 08/20/2013 10:42 AM, Paul E. McKenney wrote: > From: "Paul E. McKenney" > > This commit drops an unneeded ACCESS_ONCE() and simplifies an "our work > is done" check in _rcu_barrier(). This applies feedback from Linus > (https://lkml.org/lkml/2013/7/26/777) that he gave to similar code > in

Re: [PATCH tip/core/rcu 8/9] rcu: Simplify _rcu_barrier() processing

2013-08-20 Thread Lai Jiangshan
On 08/20/2013 10:42 AM, Paul E. McKenney wrote: From: Paul E. McKenney paul...@linux.vnet.ibm.com This commit drops an unneeded ACCESS_ONCE() and simplifies an our work is done check in _rcu_barrier(). This applies feedback from Linus (https://lkml.org/lkml/2013/7/26/777) that he gave to

Re: [PATCH tip/core/rcu 8/9] rcu: Simplify _rcu_barrier() processing

2013-08-20 Thread Paul E. McKenney
On Tue, Aug 20, 2013 at 05:48:01PM +0800, Lai Jiangshan wrote: On 08/20/2013 10:42 AM, Paul E. McKenney wrote: From: Paul E. McKenney paul...@linux.vnet.ibm.com This commit drops an unneeded ACCESS_ONCE() and simplifies an our work is done check in _rcu_barrier(). This applies feedback

[PATCH tip/core/rcu 8/9] rcu: Simplify _rcu_barrier() processing

2013-08-19 Thread Paul E. McKenney
From: "Paul E. McKenney" This commit drops an unneeded ACCESS_ONCE() and simplifies an "our work is done" check in _rcu_barrier(). This applies feedback from Linus (https://lkml.org/lkml/2013/7/26/777) that he gave to similar code in an unrelated patch. Signed-off-by: Paul E. McKenney

[PATCH tip/core/rcu 8/9] rcu: Simplify _rcu_barrier() processing

2013-08-19 Thread Paul E. McKenney
From: Paul E. McKenney paul...@linux.vnet.ibm.com This commit drops an unneeded ACCESS_ONCE() and simplifies an our work is done check in _rcu_barrier(). This applies feedback from Linus (https://lkml.org/lkml/2013/7/26/777) that he gave to similar code in an unrelated patch. Signed-off-by: