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| author | Li Zhong <zhong@linux.vnet.ibm.com> | 2013-01-07 09:36:48 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-01-26 16:34:48 -0800 |
| commit | 347f42382184f7448fa96bf9e9fa4eb6f6d1099e (patch) | |
| tree | fd784fd8c7ae6b0ef2291a7cc2cf59da689d518e | |
| parent | 2f03e3ca74a7f8b17ce626d337d321163dce2dad (diff) | |
| download | linux-347f42382184f7448fa96bf9e9fa4eb6f6d1099e.tar.bz2 | |
rcu: Remove unused code originally used for context tracking
As context tracking subsystem evolved, it stopped using ignore_user_qs
and in_user defined in the rcu_dynticks structure. This commit therefore
removes them.
Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
| -rw-r--r-- | kernel/rcutree.c | 3 | ||||
| -rw-r--r-- | kernel/rcutree.h | 4 |
2 files changed, 0 insertions, 7 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c index d78ba606acf1..8a13c8ef9642 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -2719,9 +2719,6 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp) rdp->dynticks = &per_cpu(rcu_dynticks, cpu); WARN_ON_ONCE(rdp->dynticks->dynticks_nesting != DYNTICK_TASK_EXIT_IDLE); WARN_ON_ONCE(atomic_read(&rdp->dynticks->dynticks) != 1); -#ifdef CONFIG_RCU_USER_QS - WARN_ON_ONCE(rdp->dynticks->in_user); -#endif rdp->cpu = cpu; rdp->rsp = rsp; rcu_boot_init_nocb_percpu_data(rdp); diff --git a/kernel/rcutree.h b/kernel/rcutree.h index 4b69291b093d..6f21f2eccb16 100644 --- a/kernel/rcutree.h +++ b/kernel/rcutree.h @@ -102,10 +102,6 @@ struct rcu_dynticks { /* idle-period nonlazy_posted snapshot. */ int tick_nohz_enabled_snap; /* Previously seen value from sysfs. */ #endif /* #ifdef CONFIG_RCU_FAST_NO_HZ */ -#ifdef CONFIG_RCU_USER_QS - bool ignore_user_qs; /* Treat userspace as extended QS or not */ - bool in_user; /* Is the CPU in userland from RCU POV? */ -#endif }; /* RCU's kthread states for tracing. */ |