Linux Kernel Mentees Archive on lore.kernel.org
 help / color / Atom feed
From: madhuparnabhowmik04@gmail.com
To: mike.marciniszyn@intel.com, dennis.dalessandro@intel.com,
	jgg@ziepe.ca, 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: Tue, 14 Jan 2020 21:55:11 +0530
Message-ID: <20200114162511.20335-1-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 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index 33778d451b82..df93fdc8a2fd 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -329,7 +329,7 @@ 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, lockdep_is_held(&(ibp->rvp.lock)))
 			qib_qp_rcv(rcd, hdr, 1, data, tlen, p->qp);
 		/*
 		 * Notify rvt_multicast_detach() if it is waiting for us
-- 
2.17.1

_______________________________________________
Linux-kernel-mentees mailing list
Linux-kernel-mentees@lists.linuxfoundation.org
https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees

             reply index

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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200114162511.20335-1-madhuparnabhowmik04@gmail.com \
    --to=madhuparnabhowmik04@gmail.com \
    --cc=dennis.dalessandro@intel.com \
    --cc=jgg@ziepe.ca \
    --cc=joel@joelfernandes.org \
    --cc=linux-kernel-mentees@lists.linuxfoundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=mike.marciniszyn@intel.com \
    --cc=paulmck@kernel.org \
    --cc=rcu@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux Kernel Mentees Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-kernel-mentees/0 linux-kernel-mentees/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-kernel-mentees linux-kernel-mentees/ https://lore.kernel.org/linux-kernel-mentees \
		linux-kernel-mentees@lists.linuxfoundation.org
	public-inbox-index linux-kernel-mentees

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.linuxfoundation.lists.linux-kernel-mentees


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git