diff options
| author |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-10-03 16:51:47 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-11-27 08:42:03 -0800 |
| commit | 844ccdd7dce2c1a6ea9b437fcf8c3265b136e4a5 (patch) | |
| tree | 849c27c829544f9cde57bd2fd311060d5206c1d6 /include/linux/tracepoint.h | |
| parent | rcu: Make ->dynticks_nesting be a simple counter (diff) | |
| download | linux-dev-844ccdd7dce2c1a6ea9b437fcf8c3265b136e4a5.tar.xz linux-dev-844ccdd7dce2c1a6ea9b437fcf8c3265b136e4a5.zip | |
rcu: Eliminate rcu_irq_enter_disabled()
Now that the irq path uses the rcu_nmi_{enter,exit}() algorithm,
rcu_irq_enter() and rcu_irq_exit() may be used from any context. There is
thus no need for rcu_irq_enter_disabled() and for the checks using it.
This commit therefore eliminates rcu_irq_enter_disabled().
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/linux/tracepoint.h')
| -rw-r--r-- | include/linux/tracepoint.h | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index a26ffbe09e71..c94f466d57ef 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -137,11 +137,8 @@ extern void syscall_unregfunc(void); \ if (!(cond)) \ return; \ - if (rcucheck) { \ - if (WARN_ON_ONCE(rcu_irq_enter_disabled())) \ - return; \ + if (rcucheck) \ rcu_irq_enter_irqson(); \ - } \ rcu_read_lock_sched_notrace(); \ it_func_ptr = rcu_dereference_sched((tp)->funcs); \ if (it_func_ptr) { \ |