From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH] ivshmem: document a potential segmentation fault in rte_ring Date: Tue, 07 Jun 2016 12:05:27 +0200 Message-ID: <12418422.MGNHXSpkm5@xps13> References: <1464792717-17171-1-git-send-email-anatoly.burakov@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org, ferruh.yigit@intel.com To: Anatoly Burakov Return-path: Received: from mail-wm0-f48.google.com (mail-wm0-f48.google.com [74.125.82.48]) by dpdk.org (Postfix) with ESMTP id EB3639618 for ; Tue, 7 Jun 2016 12:05:28 +0200 (CEST) Received: by mail-wm0-f48.google.com with SMTP id v199so11651715wmv.0 for ; Tue, 07 Jun 2016 03:05:28 -0700 (PDT) In-Reply-To: <1464792717-17171-1-git-send-email-anatoly.burakov@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 2016-06-01 15:51, Anatoly Burakov: > Commit 4768c475 added a pointer to the memzone in rte_ring. However, > all memzones are residing in local mem_config, therefore accessing > the memzone pointer inside the guest in an IVSHMEM-shared rte_ring > will cause segmentation fault. This issue is unlikely to ever get > fixed, as this would require lots of changes for very little benefit, > therefore we're documenting this limitation instead. > > Signed-off-by: Anatoly Burakov Applied, thanks