From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B879AC33CB3 for ; Tue, 14 Jan 2020 16:25:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 87FC4207FF for ; Tue, 14 Jan 2020 16:25:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jSa39OLa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728862AbgANQZp (ORCPT ); Tue, 14 Jan 2020 11:25:45 -0500 Received: from mail-pj1-f66.google.com ([209.85.216.66]:50323 "EHLO mail-pj1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726450AbgANQZp (ORCPT ); Tue, 14 Jan 2020 11:25:45 -0500 Received: by mail-pj1-f66.google.com with SMTP id r67so5916038pjb.0; Tue, 14 Jan 2020 08:25:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=7jwlJAnIyJqxihW77uuy1REEn0k3bY6ojjoQKPqvEnc=; b=jSa39OLar/Fi32gqOEeLvW4p2KJj7cTCSWJihafTC4Hppz0jCfCy72OsknAnd4dOK9 MT+LRI1ZmNPd8RBVMGGJcGAMAkSh+MwdPT5RfRo6kTPC93kD7PlpI7BrKZPimEHTdODe Hwt/0f7xhh55OR120i5bB9KnaOqzEvryZuhP1PPRZQ6ygaPVqItdRoLAak83TP+c/C63 ad4t9a7e/iSaxFkBxVLJM0FcBdB3uprzQ6kubYq66lwixKRwgZ9h8MN+CarSpud6TsBf DlQtiYVqINRO+qiQrLvXgTRcWrzx7li4nJ+RTy9z9B8xslmqpOrTRhTjWbWEoVddkV8M LJgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=7jwlJAnIyJqxihW77uuy1REEn0k3bY6ojjoQKPqvEnc=; b=JHMo/cmHwBAGCWU2nO+0SCU8Vt5hgw/KyqH4LlKUXloYG4aJn1Uwn30GwBFEaHILBn SJqgj4ukwhFwcSHlkamNMAmnpQ9+d+Gh+PuJld3rGF5I66dBUT6y059EyLqLvLJwgVQb hDFnlnErypeMso/lDM9/Izaq1NUGDnjAcL4lbE7TAeby1F+5pgSlyIi4IttxFVq6xR4K CdZLHMszebKkPVV7CchlPsNEydFy3Nwxlh4vEJ2MO4SG4QtfiV7TSJUCUwaEBgYCp8ah G3D7JdhB2gHlcdJOJepVuFzyXzf0z5mqmJumQpGj6Eb+TmxNAELCOx0N4QeF/wjd+2vo g8jw== X-Gm-Message-State: APjAAAXeDMGZKssiwtkBB305fkWISIKA4v4sCspADswaTPg9+pS+MtkS eHU8kRZmh8xl2Uzd9061Enk= X-Google-Smtp-Source: APXvYqxrGnVakDKBqMasUm6BO3VJGLBeO4TD9RH57n1IJHxmeqqIWHb5RYsLLyH4vTfImZGgN5F89g== X-Received: by 2002:a17:902:b103:: with SMTP id q3mr20545950plr.37.1579019144375; Tue, 14 Jan 2020 08:25:44 -0800 (PST) Received: from madhuparna-HP-Notebook.nitk.ac.in ([2402:3a80:1ee7:f789:438:77e9:83ea:bb95]) by smtp.gmail.com with ESMTPSA id o98sm18142914pjb.15.2020.01.14.08.25.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jan 2020 08:25:43 -0800 (PST) From: madhuparnabhowmik04@gmail.com To: mike.marciniszyn@intel.com, dennis.dalessandro@intel.com, jgg@ziepe.ca, paulmck@kernel.org Cc: joel@joelfernandes.org, frextrite@gmail.com, linux-kernel-mentees@lists.linuxfoundation.org, rcu@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Madhuparna Bhowmik Subject: [PATCH 3/3] infiniband: sw: rdmavt: mcast.c: Use built-in RCU list checking Date: Tue, 14 Jan 2020 21:55:36 +0530 Message-Id: <20200114162536.20388-1-madhuparnabhowmik04@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Madhuparna Bhowmik Use built-in RCU and lock-checking for list_for_each_entry_rcu() by passing the cond argument. Signed-off-by: Madhuparna Bhowmik --- drivers/infiniband/sw/rdmavt/mcast.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/sw/rdmavt/mcast.c b/drivers/infiniband/sw/rdmavt/mcast.c index dd11c6fcd060..31c7f12c7665 100644 --- a/drivers/infiniband/sw/rdmavt/mcast.c +++ b/drivers/infiniband/sw/rdmavt/mcast.c @@ -224,7 +224,7 @@ static int rvt_mcast_add(struct rvt_dev_info *rdi, struct rvt_ibport *ibp, } /* Search the QP list to see if this is already there. */ - list_for_each_entry_rcu(p, &tmcast->qp_list, list) { + list_for_each_entry_rcu(p, &tmcast->qp_list, list, lockdep_is_held(&(ibp->lock))) { if (p->qp == mqp->qp) { ret = ESRCH; goto bail; -- 2.17.1