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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-10-04 02:51:47 +0300
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-11-27 19:42:03 +0300
commit844ccdd7dce2c1a6ea9b437fcf8c3265b136e4a5 (patch)
tree849c27c829544f9cde57bd2fd311060d5206c1d6 /include/linux/tracepoint.h
parent51a1fd30f13090be7750fed86cf3728afaf4e394 (diff)
downloadlinux-844ccdd7dce2c1a6ea9b437fcf8c3265b136e4a5.tar.xz
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.h5
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) { \