From patchwork Fri Oct 6 21:32:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 9990457 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3ADE4603FA for ; Fri, 6 Oct 2017 21:34:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2D35F1FFB2 for ; Fri, 6 Oct 2017 21:34:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1DE6527813; Fri, 6 Oct 2017 21:34:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B9BF527813 for ; Fri, 6 Oct 2017 21:34:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752843AbdJFVeR (ORCPT ); Fri, 6 Oct 2017 17:34:17 -0400 Received: from esa4.hgst.iphmx.com ([216.71.154.42]:45710 "EHLO esa4.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751618AbdJFVdg (ORCPT ); Fri, 6 Oct 2017 17:33:36 -0400 X-IronPort-AV: E=Sophos;i="5.42,486,1500912000"; d="scan'208";a="56489611" Received: from sjappemgw12.hgst.com (HELO sjappemgw11.hgst.com) ([199.255.44.66]) by ob1.hgst.iphmx.com with ESMTP; 07 Oct 2017 05:33:35 +0800 Received: from thinkpad-bart.sdcorp.global.sandisk.com (HELO thinkpad-bart.int.fusionio.com) ([10.11.172.152]) by sjappemgw11.hgst.com with ESMTP; 06 Oct 2017 14:33:34 -0700 From: Bart Van Assche To: Doug Ledford Cc: linux-rdma@vger.kernel.org, Bart Van Assche , Steve Wise Subject: [PATCH 09/47] RDMA/cxgb3: Annotate locking assumptions Date: Fri, 6 Oct 2017 14:32:55 -0700 Message-Id: <20171006213333.6721-10-bart.vanassche@wdc.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171006213333.6721-1-bart.vanassche@wdc.com> References: <20171006213333.6721-1-bart.vanassche@wdc.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Tell sparse what the locking assumptions are for __flush_qp() such that it does not complain about the locking operations inside that function. Signed-off-by: Bart Van Assche Cc: Steve Wise Reviewed-by: Steve Wise --- drivers/infiniband/hw/cxgb3/iwch_qp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c index 7f633da0185d..3871e1fd8395 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_qp.c +++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c @@ -722,10 +722,13 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg) */ static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp, struct iwch_cq *schp) + __releases(&qhp->lock) + __acquires(&qhp->lock) { int count; int flushed; + lockdep_assert_held(&qhp->lock); pr_debug("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp); /* take a ref on the qhp since we must release the lock */