ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-24 05:01:03 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'rcu-tasks.2014.09.10a' into HEAD

Browse Source 
rcu-tasks.2014.09.10a: Add RCU-tasks flavor of RCU.
This commit is contained in:
Paul E. McKenney
2014-09-16 10:10:44 -07:00
parent e98d06dd6c a53dd6a656
commit 96b4672703
24 changed files with 613 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/rcu/tiny.c
View File

@@ -72,7 +72,7 @@ static void rcu_idle_enter_common(long long newval)
current->pid, current->comm,
idle->pid, idle->comm); /* must be idle task! */
}
rcu_sched_qs(0); /* implies rcu_bh_qsctr_inc(0) */
rcu_sched_qs(); /* implies rcu_bh_inc() */
barrier();
rcu_dynticks_nesting = newval;
}
@@ -217,7 +217,7 @@ static int rcu_qsctr_help(struct rcu_ctrlblk *rcp)
* are at it, given that any rcu quiescent state is also an rcu_bh
* quiescent state. Use "+" instead of "||" to defeat short circuiting.
*/
void rcu_sched_qs(int cpu)
void rcu_sched_qs(void)
{
unsigned long flags;
@@ -231,7 +231,7 @@ void rcu_sched_qs(int cpu)
/*
* Record an rcu_bh quiescent state.
*/
void rcu_bh_qs(int cpu)
void rcu_bh_qs(void)
{
unsigned long flags;
@@ -251,9 +251,11 @@ void rcu_check_callbacks(int cpu, int user)
{
RCU_TRACE(check_cpu_stalls());
if (user || rcu_is_cpu_rrupt_from_idle())
rcu_sched_qs(cpu);
rcu_sched_qs();
else if (!in_softirq())
rcu_bh_qs(cpu);
rcu_bh_qs();
if (user)
rcu_note_voluntary_context_switch(current);
}
/*