From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 37A3C2C6E for ; Mon, 23 Jan 2017 08:46:58 +0100 (CET) Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP; 22 Jan 2017 23:46:57 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,273,1477983600"; d="scan'208";a="51486170" Received: from yliu-dev.sh.intel.com ([10.239.67.162]) by orsmga004.jf.intel.com with ESMTP; 22 Jan 2017 23:46:56 -0800 From: Yuanhan Liu To: Haifeng Lin Cc: Yuanhan Liu , dpdk stable Date: Mon, 23 Jan 2017 15:47:47 +0800 Message-Id: <1485157675-32114-72-git-send-email-yuanhan.liu@linux.intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1485157675-32114-1-git-send-email-yuanhan.liu@linux.intel.com> References: <1485157675-32114-1-git-send-email-yuanhan.liu@linux.intel.com> Subject: [dpdk-stable] patch 'vhost: fix guest/host physical address mapping' has been queued to stable release 16.11.1 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: Mon, 23 Jan 2017 07:46:58 -0000 Hi, FYI, your patch has been queued to stable release 16.11.1 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. It will be pushed if I get no objections before 01/28/17. So please shout if anyone has objections. --- Note 16.11 is a LTS release. v16.11.1 is planned to be released shortly (about 2-3 weeks) after v17.02. --- Thanks. --yliu --- >>From aa86b1608f9cda8aabc66a14a1c9a9c9a437c1c9 Mon Sep 17 00:00:00 2001 From: Haifeng Lin Date: Thu, 1 Dec 2016 19:42:02 +0800 Subject: [PATCH] vhost: fix guest/host physical address mapping [ upstream commit 8c33fc10f65d250cf84d9dcf2766dabd605a37b2 ] When reg_size < page_size the function read in rte_mem_virt2phy would not return, because host_user_addr is invalid. Fixes: e246896178e6 ("vhost: get guest/host physical address mappings") Signed-off-by: Haifeng Lin Acked-by: Yuanhan Liu --- lib/librte_vhost/vhost_user.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c index 6b83c15..50cb6d1 100644 --- a/lib/librte_vhost/vhost_user.c +++ b/lib/librte_vhost/vhost_user.c @@ -447,14 +447,14 @@ add_guest_pages(struct virtio_net *dev, struct virtio_memory_region *reg, reg_size -= size; while (reg_size > 0) { + size = RTE_MIN(reg_size, page_size); host_phys_addr = rte_mem_virt2phy((void *)(uintptr_t) host_user_addr); - add_one_guest_page(dev, guest_phys_addr, host_phys_addr, - page_size); + add_one_guest_page(dev, guest_phys_addr, host_phys_addr, size); - host_user_addr += page_size; - guest_phys_addr += page_size; - reg_size -= page_size; + host_user_addr += size; + guest_phys_addr += size; + reg_size -= size; } } -- 1.9.0