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 1/3] infiniband: hw: hfi1: verbs.c: Use built-in RCU list checking Date: Tue, 7 Jan 2020 23:05:08 +0530 [thread overview] Message-ID: <20200107173510.20320-1-madhuparnabhowmik04@gmail.com> (raw) From: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com> list_for_each_entry_rcu has built-in RCU and lock checking. Pass cond argument to list_for_each_entry_rcu. Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com> --- drivers/infiniband/hw/hfi1/verbs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index 089e201d7550..cab2ff185240 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -515,7 +515,8 @@ static inline void hfi1_handle_packet(struct hfi1_packet *packet, opa_get_lid(packet->dlid, 9B)); if (!mcast) goto drop; - 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)) { packet->qp = p->qp; if (hfi1_do_pkey_check(packet)) goto drop; -- 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 1/3] infiniband: hw: hfi1: verbs.c: Use built-in RCU list checking Date: Tue, 7 Jan 2020 23:05:08 +0530 [thread overview] Message-ID: <20200107173510.20320-1-madhuparnabhowmik04@gmail.com> (raw) From: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com> list_for_each_entry_rcu has built-in RCU and lock checking. Pass cond argument to list_for_each_entry_rcu. Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com> --- drivers/infiniband/hw/hfi1/verbs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index 089e201d7550..cab2ff185240 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -515,7 +515,8 @@ static inline void hfi1_handle_packet(struct hfi1_packet *packet, opa_get_lid(packet->dlid, 9B)); if (!mcast) goto drop; - 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)) { packet->qp = p->qp; if (hfi1_do_pkey_check(packet)) goto drop; -- 2.17.1 _______________________________________________ Linux-kernel-mentees mailing list Linux-kernel-mentees@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees
next reply other threads:[~2020-01-07 17:35 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-07 17:35 madhuparnabhowmik04 [this message] 2020-01-07 17:35 ` [Linux-kernel-mentees] [PATCH 1/3] infiniband: hw: hfi1: verbs.c: Use built-in RCU list checking madhuparnabhowmik04 2020-01-07 17:35 ` [PATCH 2/3] infiniband: hw: qib: qib_verbs: " madhuparnabhowmik04 2020-01-07 17:35 ` [Linux-kernel-mentees] " madhuparnabhowmik04 2020-01-07 17:35 ` [PATCH 3/3] infiniband: sw: rdmavt: mcast.c: " madhuparnabhowmik04 2020-01-07 17:35 ` [Linux-kernel-mentees] " madhuparnabhowmik04 2020-01-07 18:26 ` [PATCH 1/3] infiniband: hw: hfi1: verbs.c: " Jason Gunthorpe 2020-01-07 18:26 ` [Linux-kernel-mentees] " Jason Gunthorpe 2020-01-07 18:35 ` Madhuparna Bhowmik 2020-01-07 19:29 madhuparnabhowmik04 2020-01-07 20:33 ` Jason Gunthorpe 2020-01-09 18:10 ` Jason Gunthorpe 2020-01-10 15:54 ` Joel Fernandes 2020-01-14 16:23 madhuparnabhowmik04 2020-01-14 16:57 ` Jason Gunthorpe 2020-01-14 17:00 ` Dennis Dalessandro 2020-01-14 18:24 ` Dennis Dalessandro 2020-01-14 19:17 ` Joel Fernandes 2020-01-14 19:41 ` Jason Gunthorpe 2020-01-14 19:46 ` Dennis Dalessandro 2020-02-14 15:43 ` [Linux-kernel-mentees] " Madhuparna Bhowmik 2020-02-14 17:24 ` Dennis Dalessandro
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