From patchwork Wed Oct 11 17:48:50 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: 10000163 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 16A8B60244 for ; Wed, 11 Oct 2017 17:49:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 008FA28ADC for ; Wed, 11 Oct 2017 17:49:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E7BF928AFD; Wed, 11 Oct 2017 17:49:56 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID 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 9246228ADC for ; Wed, 11 Oct 2017 17:49:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752483AbdJKRts (ORCPT ); Wed, 11 Oct 2017 13:49:48 -0400 Received: from esa3.hgst.iphmx.com ([216.71.153.141]:51693 "EHLO esa3.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752389AbdJKRtq (ORCPT ); Wed, 11 Oct 2017 13:49:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1507744186; x=1539280186; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=X1d/0FfHCvFeS+Z4KbXlctxYgBTBqp93iN89Ec9yPK4=; b=YKUjzY7H6kx+8RwLfccNqDJqUTu+MyDwyBJzyC2Hw56bNHWAYFM5bYUE Ximl9HjYmJrSfNb9kfOBjDbRp9JJYr/GUYA+8fFJqUPPLGrMnyAoYKzwK 8Fi0AlAYgbYwpYEzTm3iodAzaMyvyub1s0bM+81jHCAZ34NMu0pbVKKAj ZPb7qHTBDmYujQDIH5aGlVDWAIQKxe06fUUu4/XDRe3lvQD4+u6pEkq+X xcDFqXV82D0oEvgTet8wd8hikugkT3tPegBzp+490E3yddOvOkwTW8+Kb po9qAHHrHAOwh4OROPaNarkEvU0iARY3t1EVVCdalbIrn2RZ9kTodrSvC A==; X-IronPort-AV: E=Sophos;i="5.43,362,1503331200"; d="scan'208";a="57687596" Received: from sjappemgw11.hgst.com (HELO sjappemgw12.hgst.com) ([199.255.44.62]) by ob1.hgst.iphmx.com with ESMTP; 12 Oct 2017 01:49:44 +0800 Received: from thinkpad-bart.sdcorp.global.sandisk.com (HELO thinkpad-bart.int.fusionio.com) ([10.11.172.152]) by sjappemgw12.hgst.com with ESMTP; 11 Oct 2017 10:49:28 -0700 From: Bart Van Assche To: Doug Ledford Cc: linux-rdma@vger.kernel.org, Bart Van Assche Subject: [PATCH v2 08/45] RDMA/cxgb3: Annotate locking assumptions Date: Wed, 11 Oct 2017 10:48:50 -0700 Message-Id: <20171011174927.25113-9-bart.vanassche@wdc.com> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20171011174927.25113-1-bart.vanassche@wdc.com> References: <20171011174927.25113-1-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 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 */