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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 5FCBEECDFB8 for ; Fri, 20 Jul 2018 18:00:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B9472086D for ; Fri, 20 Jul 2018 18:00:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0B9472086D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=deltatee.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388395AbeGTSuH (ORCPT ); Fri, 20 Jul 2018 14:50:07 -0400 Received: from ale.deltatee.com ([207.54.116.67]:38386 "EHLO ale.deltatee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388326AbeGTSuF (ORCPT ); Fri, 20 Jul 2018 14:50:05 -0400 Received: from cgy1-donard.priv.deltatee.com ([172.16.1.31]) by ale.deltatee.com with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1fgZhn-0008E5-0U; Fri, 20 Jul 2018 12:00:43 -0600 Received: from gunthorp by cgy1-donard.priv.deltatee.com with local (Exim 4.89) (envelope-from ) id 1fgZhl-00012z-6X; Fri, 20 Jul 2018 12:00:37 -0600 From: Logan Gunthorpe To: linux-kernel@vger.kernel.org, linux-ntb@googlegroups.com, Jon Mason Cc: Allen Hubbe , Serge Semin , Shyam Sundar S K , Shuah Khan , Doug Meyer , Logan Gunthorpe Date: Fri, 20 Jul 2018 12:00:31 -0600 Message-Id: <20180720180034.3964-6-logang@deltatee.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180720180034.3964-1-logang@deltatee.com> References: <20180720180034.3964-1-logang@deltatee.com> X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: linux-kernel@vger.kernel.org, linux-ntb@googlegroups.com, jdmason@kudzu.us, allenbh@gmail.com, fancer.lancer@gmail.com, Shyam-sundar.S-k@amd.com, shuah@kernel.org, dmeyer@gigaio.com, logang@deltatee.com X-SA-Exim-Mail-From: gunthorp@deltatee.com Subject: [PATCH v2 5/8] NTB: perf: Don't require one more memory window than number of peers X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ntb_perf should not require more than one memory window per peer. This was probably an off-by-one error. Fixes: 5648e56d03fa ("NTB: ntb_perf: Add full multi-port NTB API support") Signed-off-by: Logan Gunthorpe --- drivers/ntb/test/ntb_perf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 2a9d6b0d1f19..fe27412ffe91 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -655,7 +655,7 @@ static int perf_init_service(struct perf_ctx *perf) { u64 mask; - if (ntb_peer_mw_count(perf->ntb) < perf->pcnt + 1) { + if (ntb_peer_mw_count(perf->ntb) < perf->pcnt) { dev_err(&perf->ntb->dev, "Not enough memory windows\n"); return -EINVAL; } -- 2.11.0