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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 C6A48C43381 for ; Mon, 1 Mar 2021 22:11:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97C3364D90 for ; Mon, 1 Mar 2021 22:11:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244981AbhCAWIt (ORCPT ); Mon, 1 Mar 2021 17:08:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:48870 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238416AbhCAR0t (ORCPT ); Mon, 1 Mar 2021 12:26:49 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id DB96C65087; Mon, 1 Mar 2021 16:50:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614617460; bh=EzFzMkfYdTRHA4WsLGSzfZ05zzdJnKotutwf/tqH19w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HaLzfbW0j52vk2eAE1WDlRWz2IuiUA2DPkKwfeaJcObYoUaASMtLboJEt4IJSqOJq 7DKTh3qMBHO1L7QkvFnjDuiYLn/PE0IwxccHHMRlPJPkFBh5o3ptO0HfFuSB5YsPOz FeNQ9kZvm/dOep7Nm8jdGjnRl7/AhJ8uP1xfmPcw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lijun Pan , "David S. Miller" , Sasha Levin Subject: [PATCH 5.4 064/340] ibmvnic: skip send_request_unmap for timeout reset Date: Mon, 1 Mar 2021 17:10:08 +0100 Message-Id: <20210301161051.471678083@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161048.294656001@linuxfoundation.org> References: <20210301161048.294656001@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lijun Pan [ Upstream commit 7d3a7b9ea59ddb223aec59b45fa1713c633aaed4 ] Timeout reset will trigger the VIOS to unmap it automatically, similarly as FAILVOER and MOBILITY events. If we unmap it in the linux side, we will see errors like "30000003: Error 4 in REQUEST_UNMAP_RSP". So, don't call send_request_unmap for timeout reset. Fixes: ed651a10875f ("ibmvnic: Updated reset handling") Signed-off-by: Lijun Pan Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/ibm/ibmvnic.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 901883a44a320..309cdc5ebc1ff 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -202,8 +202,13 @@ static void free_long_term_buff(struct ibmvnic_adapter *adapter, if (!ltb->buff) return; + /* VIOS automatically unmaps the long term buffer at remote + * end for the following resets: + * FAILOVER, MOBILITY, TIMEOUT. + */ if (adapter->reset_reason != VNIC_RESET_FAILOVER && - adapter->reset_reason != VNIC_RESET_MOBILITY) + adapter->reset_reason != VNIC_RESET_MOBILITY && + adapter->reset_reason != VNIC_RESET_TIMEOUT) send_request_unmap(adapter, ltb->map_id); dma_free_coherent(dev, ltb->size, ltb->buff, ltb->addr); } -- 2.27.0