Re: [PATCH tip/core/rcu 02/11] rcu: Expedite during suspend and resume only on smallish systems

2013-08-18 Thread Paul E. McKenney
On Sat, Aug 17, 2013 at 08:18:32PM -0700, Josh Triplett wrote: > On Sat, Aug 17, 2013 at 06:37:47PM -0700, Paul E. McKenney wrote: > > From: "Paul E. McKenney" > > > > Expedited grace periods are of dubious benefit on very large systems, > > so this commit restricts their automated use during

Re: [PATCH tip/core/rcu 02/11] rcu: Expedite during suspend and resume only on smallish systems

2013-08-18 Thread Paul E. McKenney
On Sat, Aug 17, 2013 at 08:18:32PM -0700, Josh Triplett wrote: On Sat, Aug 17, 2013 at 06:37:47PM -0700, Paul E. McKenney wrote: From: Paul E. McKenney paul...@linux.vnet.ibm.com Expedited grace periods are of dubious benefit on very large systems, so this commit restricts their

Re: [PATCH tip/core/rcu 02/11] rcu: Expedite during suspend and resume only on smallish systems

2013-08-17 Thread Josh Triplett
On Sat, Aug 17, 2013 at 06:37:47PM -0700, Paul E. McKenney wrote: > From: "Paul E. McKenney" > > Expedited grace periods are of dubious benefit on very large systems, > so this commit restricts their automated use during suspend and resume > to systems of 256 or fewer CPUs. > > Signed-off-by:

[PATCH tip/core/rcu 02/11] rcu: Expedite during suspend and resume only on smallish systems

2013-08-17 Thread Paul E. McKenney
From: "Paul E. McKenney" Expedited grace periods are of dubious benefit on very large systems, so this commit restricts their automated use during suspend and resume to systems of 256 or fewer CPUs. Signed-off-by: Paul E. McKenney --- kernel/rcutree.c | 3 ++- 1 file changed, 2 insertions(+),

[PATCH tip/core/rcu 02/11] rcu: Expedite during suspend and resume only on smallish systems

2013-08-17 Thread Paul E. McKenney
From: Paul E. McKenney paul...@linux.vnet.ibm.com Expedited grace periods are of dubious benefit on very large systems, so this commit restricts their automated use during suspend and resume to systems of 256 or fewer CPUs. Signed-off-by: Paul E. McKenney paul...@linux.vnet.ibm.com ---

Re: [PATCH tip/core/rcu 02/11] rcu: Expedite during suspend and resume only on smallish systems

2013-08-17 Thread Josh Triplett
On Sat, Aug 17, 2013 at 06:37:47PM -0700, Paul E. McKenney wrote: From: Paul E. McKenney paul...@linux.vnet.ibm.com Expedited grace periods are of dubious benefit on very large systems, so this commit restricts their automated use during suspend and resume to systems of 256 or fewer CPUs.