From patchwork Thu Sep 12 12:45:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunsheng Lin X-Patchwork-Id: 13802098 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D47E5EEB59F for ; Thu, 12 Sep 2024 12:54:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=1stBqhmyGv3At6lM7XjLumiofL3xIeySle3Ks00Qc4Y=; b=cfSEdUGs4PrbeV5cFLIzju8n8W h+kl66SukgWpx7jXVR2psh8FNd47kyniuVH9ppN95dXqK7MPQc03kIsG+OrEGNpFvHgReEHA2xl50 slOUYvHE5flq8GJ47BdTd8Zb4pL7C4ZSqHCV2alAlpwUgXrEVWwwAPktxhrB73/FmhC2xuliyg4DN paI+/jjGznUGuK7BgskT4H9CwiJNPnkybC38MA+e8PXRx3eUWPiPMAK2KApXNRwb3593xb/iypft7 FN1DlXBNYkA5A+xF4WdZxbQYS2IewycVjd6Q4FXU7N48oDpgXl7VBK376AVcK95vaBQ1hPGjEBnOX U61pj87g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sojKw-0000000D6me-0cpN; Thu, 12 Sep 2024 12:54:14 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sojI2-0000000D5wS-0re6; Thu, 12 Sep 2024 12:51:16 +0000 Received: from mail.maildlp.com (unknown [172.19.162.112]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4X4HP64kk6z1xxGS; Thu, 12 Sep 2024 20:51:06 +0800 (CST) Received: from dggpemf200006.china.huawei.com (unknown [7.185.36.61]) by mail.maildlp.com (Postfix) with ESMTPS id A6C811400D4; Thu, 12 Sep 2024 20:51:07 +0800 (CST) Received: from localhost.localdomain (10.90.30.45) by dggpemf200006.china.huawei.com (7.185.36.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 12 Sep 2024 20:51:07 +0800 From: Yunsheng Lin To: , , CC: , , Yunsheng Lin , Alexander Lobakin , Robin Murphy , Alexander Duyck , IOMMU , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Matthias Brugger , AngeloGioacchino Del Regno , , , , , , Subject: [RFC 0/2] fix two bugs related to page_pool Date: Thu, 12 Sep 2024 20:45:11 +0800 Message-ID: <20240912124514.2329991-1-linyunsheng@huawei.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-Originating-IP: [10.90.30.45] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemf200006.china.huawei.com (7.185.36.61) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240912_055114_523470_25C367ED X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Patch 1 fix a possible time window problem for pagw_pool. Patch 2 fix the kernel crash problem at iommu_get_dma_domain reported in [1]. 1. https://lore.kernel.org/lkml/8067f204-1380-4d37-8ffd-007fc6f26738@kernel.org/T/ CC: Alexander Lobakin CC: Robin Murphy CC: Alexander Duyck CC: IOMMU Yunsheng Lin (2): page_pool: fix timing for checking and disabling napi_local page_pool: fix IOMMU crash when driver has already unbound drivers/net/ethernet/freescale/fec_main.c | 8 +- drivers/net/ethernet/intel/iavf/iavf_txrx.c | 6 +- drivers/net/ethernet/intel/idpf/idpf_txrx.c | 14 +- drivers/net/ethernet/intel/libeth/rx.c | 2 +- .../net/ethernet/mellanox/mlx5/core/en/xdp.c | 3 +- drivers/net/netdevsim/netdev.c | 6 +- drivers/net/wireless/mediatek/mt76/mt76.h | 2 +- include/linux/mm_types.h | 2 +- include/linux/skbuff.h | 1 + include/net/libeth/rx.h | 3 +- include/net/netmem.h | 2 +- include/net/page_pool/helpers.h | 11 ++ include/net/page_pool/types.h | 15 +- net/core/devmem.c | 2 +- net/core/page_pool.c | 176 +++++++++++++++--- net/core/page_pool_priv.h | 9 +- net/core/skbuff.c | 3 +- net/core/xdp.c | 3 +- 18 files changed, 219 insertions(+), 49 deletions(-)