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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 84B3CC433DF for ; Tue, 7 Jul 2020 15:24:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5677620663 for ; Tue, 7 Jul 2020 15:24:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594135486; bh=JE9Pc3l9KUo/kiQ0jt7wUFYfAizCkUiPcI2ByP56Mdw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eMiLbT3JJC6MnO4JAdoLVwXo4CP2uHFA9aB8sIk+WTyZ18vNdLJnXEKcQXVK1Ztvq XtsnQaa+adTWdBTWAZVKceSr5zisSxyXdgkok0B+Yh2bWYfdasN+4YxWlOH12upJnH B+4rHICI3Z8KnAZIweK5m4ek3q+UZ4HivWYy9Byc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730126AbgGGPYo (ORCPT ); Tue, 7 Jul 2020 11:24:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:38218 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729085AbgGGPYf (ORCPT ); Tue, 7 Jul 2020 11:24:35 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 80E072065D; Tue, 7 Jul 2020 15:24:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594135475; bh=JE9Pc3l9KUo/kiQ0jt7wUFYfAizCkUiPcI2ByP56Mdw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rMK2td3mY1ktWVO2HwPj/siOJgRV87UhDYCuYdCxSR5ar3bv6tpjphGjKUyGd6PUp Jp9enLjQyFvtfNu+2hxd6XGlmvAyqZrt9iNb+Beyf0bxK80dWqX6lpvMGlbCv34YOT 5nmVBGbZqbUHY4RpPchYN2dUMyqbFCetU1qAkXrw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mark Zhang , Maor Gottlieb , Leon Romanovsky , Jason Gunthorpe , Sasha Levin Subject: [PATCH 5.7 054/112] RDMA/counter: Query a counter before release Date: Tue, 7 Jul 2020 17:16:59 +0200 Message-Id: <20200707145803.570726049@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200707145800.925304888@linuxfoundation.org> References: <20200707145800.925304888@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Mark Zhang [ Upstream commit c1d869d64a1955817c4d6fff08ecbbe8e59d36f8 ] Query a dynamically-allocated counter before release it, to update it's hwcounters and log all of them into history data. Otherwise all values of these hwcounters will be lost. Fixes: f34a55e497e8 ("RDMA/core: Get sum value of all counters when perform a sysfs stat read") Link: https://lore.kernel.org/r/20200621110000.56059-1-leon@kernel.org Signed-off-by: Mark Zhang Reviewed-by: Maor Gottlieb Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/core/counters.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/core/counters.c b/drivers/infiniband/core/counters.c index 2257d7f7810fd..738d1faf4bba5 100644 --- a/drivers/infiniband/core/counters.c +++ b/drivers/infiniband/core/counters.c @@ -202,7 +202,7 @@ static int __rdma_counter_unbind_qp(struct ib_qp *qp) return ret; } -static void counter_history_stat_update(const struct rdma_counter *counter) +static void counter_history_stat_update(struct rdma_counter *counter) { struct ib_device *dev = counter->device; struct rdma_port_counter *port_counter; @@ -212,6 +212,8 @@ static void counter_history_stat_update(const struct rdma_counter *counter) if (!port_counter->hstats) return; + rdma_counter_query_stats(counter); + for (i = 0; i < counter->stats->num_counters; i++) port_counter->hstats->value[i] += counter->stats->value[i]; } -- 2.25.1