[PATCH RFC 10/16] rcutorture: Test call_prcu() and prcu_barrier()

[lianglihao]

From: Lihao Liang 

Signed-off-by: Lihao Liang 
---
 kernel/rcu/prcu.c   | 4 +++-
 kernel/rcu/rcutorture.c | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/kernel/rcu/prcu.c b/kernel/rcu/prcu.c
index 2664d091..49cb70e6 100644
--- a/kernel/rcu/prcu.c
+++ b/kernel/rcu/prcu.c
@@ -179,8 +179,10 @@ void call_prcu(struct rcu_head *head, rcu_callback_t func)
 
/* Use GFP_ATOMIC with IRQs disabled */
vhp = kmalloc(sizeof(struct prcu_version_head), GFP_ATOMIC);
-   if (!vhp)
+   if (!vhp) {
+   WARN_ON(1);
return;
+   }
 
head->func = func;
head->next = NULL;
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 7d65bf0c..9215ebb0 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -797,8 +797,8 @@ static struct rcu_torture_ops prcu_ops = {
.exp_sync   = synchronize_prcu,
.get_state  = NULL,
.cond_sync  = NULL,
-   .call   = NULL,
-   .cb_barrier = NULL,
+   .call   = call_prcu,
+   .cb_barrier = prcu_barrier,
.fqs= NULL,
.stats  = NULL,
.irq_capable= 1,
-- 
2.14.1.729.g59c0ea183

[PATCH RFC 10/16] rcutorture: Test call_prcu() and prcu_barrier()

[lianglihao]

From: Lihao Liang 

Signed-off-by: Lihao Liang 
---
 kernel/rcu/prcu.c   | 4 +++-
 kernel/rcu/rcutorture.c | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/kernel/rcu/prcu.c b/kernel/rcu/prcu.c
index 2664d091..49cb70e6 100644
--- a/kernel/rcu/prcu.c
+++ b/kernel/rcu/prcu.c
@@ -179,8 +179,10 @@ void call_prcu(struct rcu_head *head, rcu_callback_t func)
 
/* Use GFP_ATOMIC with IRQs disabled */
vhp = kmalloc(sizeof(struct prcu_version_head), GFP_ATOMIC);
-   if (!vhp)
+   if (!vhp) {
+   WARN_ON(1);
return;
+   }
 
head->func = func;
head->next = NULL;
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 7d65bf0c..9215ebb0 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -797,8 +797,8 @@ static struct rcu_torture_ops prcu_ops = {
.exp_sync   = synchronize_prcu,
.get_state  = NULL,
.cond_sync  = NULL,
-   .call   = NULL,
-   .cb_barrier = NULL,
+   .call   = call_prcu,
+   .cb_barrier = prcu_barrier,
.fqs= NULL,
.stats  = NULL,
.irq_capable= 1,
-- 
2.14.1.729.g59c0ea183