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=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 A5126C433FF for ; Mon, 29 Jul 2019 02:56:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 74FAB2070D for ; Mon, 29 Jul 2019 02:56:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726642AbfG2Czl (ORCPT ); Sun, 28 Jul 2019 22:55:41 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:45358 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726302AbfG2Czj (ORCPT ); Sun, 28 Jul 2019 22:55:39 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 09DF31FC2DB48132A209; Mon, 29 Jul 2019 10:55:36 +0800 (CST) Received: from localhost.localdomain (10.67.212.132) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.439.0; Mon, 29 Jul 2019 10:55:29 +0800 From: Huazhong Tan To: CC: , , , , , , Yufeng Mo , lipeng 00277521 , Huazhong Tan Subject: [PATCH V4 net-next 04/10] net: hns3: change GFP flag during lock period Date: Mon, 29 Jul 2019 10:53:25 +0800 Message-ID: <1564368811-65492-5-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1564368811-65492-1-git-send-email-tanhuazhong@huawei.com> References: <1564368811-65492-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.132] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yufeng Mo When allocating memory, the GFP_KERNEL cannot be used during the spin_lock period. This is because it may cause scheduling when holding spin_lock. This patch changes GFP flag to GFP_ATOMIC in this case. Fixes: dd74f815dd41 ("net: hns3: Add support for rule add/delete for flow director") Signed-off-by: Yufeng Mo Signed-off-by: lipeng 00277521 Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 3c64d70..14199c4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -5796,7 +5796,7 @@ static int hclge_add_fd_entry_by_arfs(struct hnae3_handle *handle, u16 queue_id, return -ENOSPC; } - rule = kzalloc(sizeof(*rule), GFP_KERNEL); + rule = kzalloc(sizeof(*rule), GFP_ATOMIC); if (!rule) { spin_unlock_bh(&hdev->fd_rule_lock); -- 2.7.4