Re: [RFC][PATCH 11/18 v2] ftrace: Adde infrastructure to stop RCU unsafe checker from checking

2013-09-03 Thread Paul E. McKenney
On Tue, Sep 03, 2013 at 09:43:52AM -0400, Steven Rostedt wrote: > On Sat, 31 Aug 2013 12:52:58 -0700 > "Paul E. McKenney" wrote: > > > On Sat, Aug 31, 2013 at 01:11:28AM -0400, Steven Rostedt wrote: > > > From: "Steven Rostedt (Red Hat)" > > > > > > This is a light weight way to keep the rcu ch

Re: [RFC][PATCH 11/18 v2] ftrace: Adde infrastructure to stop RCU unsafe checker from checking

2013-09-03 Thread Steven Rostedt
On Sat, 31 Aug 2013 12:52:58 -0700 "Paul E. McKenney" wrote: > On Sat, Aug 31, 2013 at 01:11:28AM -0400, Steven Rostedt wrote: > > From: "Steven Rostedt (Red Hat)" > > > > This is a light weight way to keep the rcu checker from checking > > RCU safety. It adds a ftrace_unsafe_rcu_checker_disabl

Re: [RFC][PATCH 11/18 v2] ftrace: Adde infrastructure to stop RCU unsafe checker from checking

2013-08-31 Thread Steven Rostedt
On Sat, 2013-08-31 at 12:52 -0700, Paul E. McKenney wrote: > On Sat, Aug 31, 2013 at 01:11:28AM -0400, Steven Rostedt wrote: > > From: "Steven Rostedt (Red Hat)" > > > > This is a light weight way to keep the rcu checker from checking > > RCU safety. It adds a ftrace_unsafe_rcu_checker_disable/en

Re: [RFC][PATCH 11/18 v2] ftrace: Adde infrastructure to stop RCU unsafe checker from checking

2013-08-31 Thread Paul E. McKenney
On Sat, Aug 31, 2013 at 01:11:28AM -0400, Steven Rostedt wrote: > From: "Steven Rostedt (Red Hat)" > > This is a light weight way to keep the rcu checker from checking > RCU safety. It adds a ftrace_unsafe_rcu_checker_disable/enable() > that increments or decrements a counter respectively. When t

[RFC][PATCH 11/18 v2] ftrace: Adde infrastructure to stop RCU unsafe checker from checking

2013-08-30 Thread Steven Rostedt
From: "Steven Rostedt (Red Hat)" This is a light weight way to keep the rcu checker from checking RCU safety. It adds a ftrace_unsafe_rcu_checker_disable/enable() that increments or decrements a counter respectively. When the counter is set, the RCU unsafe checker callback does not run the tests