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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2009-08-22 22:56:46 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-23 10:32:37 +0200
commitd6714c22b43fbcbead7e7b706ff270e15f04a791 (patch)
tree1dc15e57d982351bed45b7b9768a118f86b88c19 /kernel/rcupreempt.c
parentrcu: Move private definitions from include/linux/rcutree.h to kernel/rcutree.h (diff)
downloadlinux-d6714c22b43fbcbead7e7b706ff270e15f04a791.tar.xz
linux-d6714c22b43fbcbead7e7b706ff270e15f04a791.zip
rcu: Renamings to increase RCU clarity
Make RCU-sched, RCU-bh, and RCU-preempt be underlying implementations, with "RCU" defined in terms of one of the three. Update the outdated rcu_qsctr_inc() names, as these functions no longer increment anything. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: akpm@linux-foundation.org Cc: mathieu.desnoyers@polymtl.ca Cc: josht@linux.vnet.ibm.com Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org LKML-Reference: <12509746132696-git-send-email-> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/rcupreempt.c')
-rw-r--r--kernel/rcupreempt.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c
index 510898a7bd69..7d777c9f394c 100644
--- a/kernel/rcupreempt.c
+++ b/kernel/rcupreempt.c
@@ -159,7 +159,7 @@ static DEFINE_PER_CPU_SHARED_ALIGNED(struct rcu_dyntick_sched, rcu_dyntick_sched
.dynticks = 1,
};
-void rcu_qsctr_inc(int cpu)
+void rcu_sched_qs(int cpu)
{
struct rcu_dyntick_sched *rdssp = &per_cpu(rcu_dyntick_sched, cpu);
@@ -967,12 +967,12 @@ void rcu_check_callbacks(int cpu, int user)
* If this CPU took its interrupt from user mode or from the
* idle loop, and this is not a nested interrupt, then
* this CPU has to have exited all prior preept-disable
- * sections of code. So increment the counter to note this.
+ * sections of code. So invoke rcu_sched_qs() to note this.
*
* The memory barrier is needed to handle the case where
* writes from a preempt-disable section of code get reordered
* into schedule() by this CPU's write buffer. So the memory
- * barrier makes sure that the rcu_qsctr_inc() is seen by other
+ * barrier makes sure that the rcu_sched_qs() is seen by other
* CPUs to happen after any such write.
*/
@@ -980,7 +980,7 @@ void rcu_check_callbacks(int cpu, int user)
(idle_cpu(cpu) && !in_softirq() &&
hardirq_count() <= (1 << HARDIRQ_SHIFT))) {
smp_mb(); /* Guard against aggressive schedule(). */
- rcu_qsctr_inc(cpu);
+ rcu_sched_qs(cpu);
}
rcu_check_mb(cpu);