From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 1B8111B8F7; Thu, 10 Jan 2019 17:30:57 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jan 2019 08:30:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,462,1539673200"; d="scan'208";a="115782622" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga008.fm.intel.com with ESMTP; 10 Jan 2019 08:30:55 -0800 Received: from sivswdev05.ir.intel.com (sivswdev05.ir.intel.com [10.243.17.64]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id x0AGUsgR003439; Thu, 10 Jan 2019 16:30:54 GMT Received: from sivswdev05.ir.intel.com (localhost [127.0.0.1]) by sivswdev05.ir.intel.com with ESMTP id x0AGUsTa019379; Thu, 10 Jan 2019 16:30:54 GMT Received: (from aburakov@localhost) by sivswdev05.ir.intel.com with LOCAL id x0AGUsRJ019375; Thu, 10 Jan 2019 16:30:54 GMT From: Anatoly Burakov To: dev@dpdk.org Cc: stable@dpdk.org Date: Thu, 10 Jan 2019 16:30:54 +0000 Message-Id: X-Mailer: git-send-email 1.7.0.7 Subject: [dpdk-stable] [PATCH] vfio: don't unregister callback in secondaries X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Jan 2019 16:30:58 -0000 Callbacks are only registered in the primary, so do not attempt to unregister callbacks in secondary processes. Fixes: 43e463137154 ("vfio: support memory event callbacks") Cc: stable@dpdk.org Signed-off-by: Anatoly Burakov --- lib/librte_eal/linuxapp/eal/eal_vfio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.c b/lib/librte_eal/linuxapp/eal/eal_vfio.c index 0516b1597..afc917ab3 100644 --- a/lib/librte_eal/linuxapp/eal/eal_vfio.c +++ b/lib/librte_eal/linuxapp/eal/eal_vfio.c @@ -857,7 +857,8 @@ rte_vfio_release_device(const char *sysfs_base, const char *dev_addr, /* if there are no active device groups, unregister the callback to * avoid spurious attempts to map/unmap memory from VFIO. */ - if (vfio_cfg == default_vfio_cfg && vfio_cfg->vfio_active_groups == 0) + if (vfio_cfg == default_vfio_cfg && vfio_cfg->vfio_active_groups == 0 && + rte_eal_process_type() != RTE_PROC_PRIMARY) rte_mem_event_callback_unregister(VFIO_MEM_EVENT_CLB_NAME, NULL); -- 2.17.1