From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id DE8CD1B396; Tue, 7 Nov 2017 20:32:26 +0100 (CET) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Nov 2017 11:32:25 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,360,1505804400"; d="scan'208";a="333366521" Received: from silpixa00372839.ir.intel.com (HELO silpixa00372839.ger.corp.intel.com) ([10.237.222.154]) by fmsmga004.fm.intel.com with ESMTP; 07 Nov 2017 11:32:22 -0800 From: Ferruh Yigit To: Thomas Monjalon Cc: dev@dpdk.org, Ferruh Yigit , stable@dpdk.org, Jianfeng Tan , Jingjing Wu , Shijith Thotton , Gregory Etelson , Harish Patil , George Prekas , Sergio Gonzalez Monroy , Rasesh Mody , Lee Roberts , Stephen Hemminger , Chas Williams Date: Tue, 7 Nov 2017 19:32:17 +0000 Message-Id: <20171107193217.56357-1-ferruh.yigit@intel.com> X-Mailer: git-send-email 2.13.6 Subject: [dpdk-dev] [PATCH] igb_uio: remove device reset in release X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Nov 2017 19:32:27 -0000 More error reported for device reset in release() [1], when device pass-through to the guest, host kernel crash on guest exit. Removing the reset completely. [1] http://dpdk.org/ml/archives/dev/2017-November/081459.html Fixes: e3a64deae2d5 ("igb_uio: prevent reset for bnx2x devices") Fixes: b58eedfc7dd5 ("igb_uio: issue FLR during open and release of device file") Cc: stable@dpdk.org Signed-off-by: Ferruh Yigit --- Cc: Jianfeng Tan Cc: Jingjing Wu Cc: Shijith Thotton Cc: Gregory Etelson Cc: Harish Patil Cc: George Prekas Cc: Sergio Gonzalez Monroy Cc: Rasesh Mody Cc: Lee Roberts Cc: Stephen Hemminger Cc: Chas Williams --- lib/librte_eal/linuxapp/igb_uio/compat.h | 19 ------------------- lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 8 -------- 2 files changed, 27 deletions(-) diff --git a/lib/librte_eal/linuxapp/igb_uio/compat.h b/lib/librte_eal/linuxapp/igb_uio/compat.h index c8b2c9de3..ce456d4bb 100644 --- a/lib/librte_eal/linuxapp/igb_uio/compat.h +++ b/lib/librte_eal/linuxapp/igb_uio/compat.h @@ -132,22 +132,3 @@ static bool pci_check_and_mask_intx(struct pci_dev *pdev) #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0) #define HAVE_PCI_MSI_MASK_IRQ 1 #endif - -#define BROADCOM_PCI_VENDOR_ID 0x14E4 -static const struct pci_device_id no_reset_pci_tbl[] = { - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x164f) }, /* 57711 */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x168a) }, /* 57800 */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x168e) }, /* 57810 */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x163d) }, /* 57811 */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x168d) }, /* 57840_OBS */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x16a1) }, /* 57840_4_10 */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x16a2) }, /* 57840_2_20 */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x16ae) }, /* 57810_MF */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x163e) }, /* 57811_MF */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x16a4) }, /* 57840_MF */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x16a9) }, /* 57800_VF */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x16af) }, /* 57810_VF */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x163f) }, /* 57811_VF */ - { PCI_DEVICE(BROADCOM_PCI_VENDOR_ID, 0x16ad) }, /* 57840_VF */ - { 0 }, -}; diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c index 037e02267..a3a98c173 100644 --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c @@ -348,11 +348,6 @@ igbuio_pci_open(struct uio_info *info, struct inode *inode) return 0; } -static bool is_device_excluded_from_reset(struct pci_dev *pdev) -{ - return !!pci_match_id(no_reset_pci_tbl, pdev); -} - static int igbuio_pci_release(struct uio_info *info, struct inode *inode) { @@ -365,9 +360,6 @@ igbuio_pci_release(struct uio_info *info, struct inode *inode) /* stop the device from further DMA */ pci_clear_master(dev); - if (!is_device_excluded_from_reset(dev)) - pci_reset_function(dev); - return 0; } -- 2.13.6