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From: madhuparnabhowmik04@gmail.com
To: dennis.dalessandro@intel.com, mike.marciniszyn@intel.com,
	dledford@redhat.com, paulmck@kernel.org
Cc: rcu@vger.kernel.org, joel@joelfernandes.org, frextrite@gmail.com,
	linux-kernel-mentees@lists.linuxfoundation.org,
	linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
	Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>
Subject: [PATCH 2/3] infiniband: hw: qib: qib_verbs: Use built-in RCU list checking
Date: Wed,  8 Jan 2020 01:00:39 +0530	[thread overview]
Message-ID: <20200107193039.22836-1-madhuparnabhowmik04@gmail.com> (raw)

From: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>

Use built-in RCU and lock checking for list_for_each_entry_rcu
by passing cond argument to it.

Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>
---
 drivers/infiniband/hw/qib/qib_verbs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index 33778d451b82..845ba888734e 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -329,7 +329,8 @@ void qib_ib_rcv(struct qib_ctxtdata *rcd, void *rhdr, void *data, u32 tlen)
 		if (mcast == NULL)
 			goto drop;
 		this_cpu_inc(ibp->pmastats->n_multicast_rcv);
-		list_for_each_entry_rcu(p, &mcast->qp_list, list)
+		list_for_each_entry_rcu(p, &mcast->qp_list, list,
+					lock_is_held(&(ibp->rvp.lock).dep_map))
 			qib_qp_rcv(rcd, hdr, 1, data, tlen, p->qp);
 		/*
 		 * Notify rvt_multicast_detach() if it is waiting for us
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: madhuparnabhowmik04@gmail.com
To: dennis.dalessandro@intel.com, mike.marciniszyn@intel.com,
	dledford@redhat.com, paulmck@kernel.org
Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
	rcu@vger.kernel.org, joel@joelfernandes.org,
	linux-kernel-mentees@lists.linuxfoundation.org
Subject: [Linux-kernel-mentees] [PATCH 2/3] infiniband: hw: qib: qib_verbs: Use built-in RCU list checking
Date: Wed,  8 Jan 2020 01:00:39 +0530	[thread overview]
Message-ID: <20200107193039.22836-1-madhuparnabhowmik04@gmail.com> (raw)

From: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>

Use built-in RCU and lock checking for list_for_each_entry_rcu
by passing cond argument to it.

Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>
---
 drivers/infiniband/hw/qib/qib_verbs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index 33778d451b82..845ba888734e 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -329,7 +329,8 @@ void qib_ib_rcv(struct qib_ctxtdata *rcd, void *rhdr, void *data, u32 tlen)
 		if (mcast == NULL)
 			goto drop;
 		this_cpu_inc(ibp->pmastats->n_multicast_rcv);
-		list_for_each_entry_rcu(p, &mcast->qp_list, list)
+		list_for_each_entry_rcu(p, &mcast->qp_list, list,
+					lock_is_held(&(ibp->rvp.lock).dep_map))
 			qib_qp_rcv(rcd, hdr, 1, data, tlen, p->qp);
 		/*
 		 * Notify rvt_multicast_detach() if it is waiting for us
-- 
2.17.1

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             reply	other threads:[~2020-01-07 19:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-07 19:30 madhuparnabhowmik04 [this message]
2020-01-07 19:30 ` [Linux-kernel-mentees] [PATCH 2/3] infiniband: hw: qib: qib_verbs: Use built-in RCU list checking madhuparnabhowmik04
  -- strict thread matches above, loose matches on Subject: below --
2020-01-14 16:25 madhuparnabhowmik04
2020-01-07 17:35 [PATCH 1/3] infiniband: hw: hfi1: verbs.c: " madhuparnabhowmik04
2020-01-07 17:35 ` [PATCH 2/3] infiniband: hw: qib: qib_verbs: " madhuparnabhowmik04

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