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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-10-16 11:05:03 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-12-11 09:18:22 -0800 |
| commit | cc1321c96f855525fbd847fec130f000daa1bb1f (patch) | |
| tree | cdfa9485981454a8de6d7b506970008051184386 /kernel/rcu | |
| parent | cf8d8b00518d9228d603fcd17de47c31deb70b8f (diff) | |
| download | linux-stable-cc1321c96f855525fbd847fec130f000daa1bb1f.tar.gz linux-stable-cc1321c96f855525fbd847fec130f000daa1bb1f.tar.bz2 linux-stable-cc1321c96f855525fbd847fec130f000daa1bb1f.zip | |
torture: Reduce #ifdefs for preempt_schedule()
This commit adds a torture_preempt_schedule() that is nothingness
in !PREEMPT builds and is preempt_schedule() otherwise. Then
torture_preempt_schedule() is used to eliminate several ugly #ifdefs,
both in rcutorture and in locktorture.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/rcutorture.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 74f6b0146b98..e7d3cce84214 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -315,11 +315,9 @@ static void rcu_read_delay(struct torture_random_state *rrsp) } if (!(torture_random(rrsp) % (nrealreaders * 2 * shortdelay_us))) udelay(shortdelay_us); -#ifdef CONFIG_PREEMPT if (!preempt_count() && !(torture_random(rrsp) % (nrealreaders * 20000))) - preempt_schedule(); /* No QS if preempt_disable() in effect */ -#endif + torture_preempt_schedule(); /* QS only if preemptible. */ } static void rcu_torture_read_unlock(int idx) __releases(RCU) |