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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-06-06 12:52:44 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-07-24 16:04:11 -0700 |
| commit | 5e741fa9e9698f4010bb85eff252186f7a4071f4 (patch) | |
| tree | c7b07c1434d2edd09705c037d93db8658921bf02 /kernel/rcu | |
| parent | 85ef2bd2a561055f3b1cab634f67b734034eb984 (diff) | |
| download | linux-5e741fa9e9698f4010bb85eff252186f7a4071f4.tar.bz2 | |
rcutorture: Enable SRCU readers from timer handler
Now that it is legal to invoke srcu_read_lock() and srcu_read_unlock()
for a given srcu_struct from both process context and {soft,}irq
handlers, it is time to test it. This commit therefore enables
testing of SRCU readers from rcutorture's timer handler, using in_task()
to determine whether or not it is safe to sleep in the SRCU read-side
critical sections.
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, 3 insertions, 1 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index aedc8f2ad955..8d59c82bec0b 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -522,7 +522,7 @@ static void srcu_read_delay(struct torture_random_state *rrsp) delay = torture_random(rrsp) % (nrealreaders * 2 * longdelay * uspertick); - if (!delay) + if (!delay && in_task()) schedule_timeout_interruptible(longdelay); else rcu_read_delay(rrsp); @@ -583,6 +583,7 @@ static struct rcu_torture_ops srcu_ops = { .call = srcu_torture_call, .cb_barrier = srcu_torture_barrier, .stats = srcu_torture_stats, + .irq_capable = 1, .name = "srcu" }; @@ -615,6 +616,7 @@ static struct rcu_torture_ops srcud_ops = { .call = srcu_torture_call, .cb_barrier = srcu_torture_barrier, .stats = srcu_torture_stats, + .irq_capable = 1, .name = "srcud" }; |