From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <thomas.monjalon@6wind.com> 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 <dev@dpdk.org>; Tue, 7 Jun 2016 12:05:28 +0200 (CEST) Received: by mail-wm0-f48.google.com with SMTP id v199so11651715wmv.0 for <dev@dpdk.org>; Tue, 07 Jun 2016 03:05:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:user-agent:in-reply-to :references:mime-version:content-transfer-encoding; bh=xol/u+1dkwXDYdJj1FByLmZleIgnPQoAFSuSJrA+1lM=; b=c3eHo+5iSymnoLcKB59hwV3m7jLpEhDHdDIi97SYgLC4jAxjpdgTbhry+VtvVtall9 8sOTzievabpk8nuPLFXFljDJK/ibYbAiH/x6HCaDkj9BR1PGNA2bvAvgb6XmROm3aikh 6z+3CDQzKFw4HNlNEK/LFDSeVLpfZzexxzVcEuJ2hvCmIn6rIeIwLqL/31zdMZGHFSEq gFx6Jmug/S16vGzop8wxMYcIeIO9mIpNGqKG80of5puvP1MP55cNYRsjecPb2yT63AtW 1KcdB4rBQ1Mw0x9nL0N4NBOxYqotmr0FvqdDMhcVL2DFizG4Lf4PUjdz2v1WLAeYeFoR mw3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:user-agent :in-reply-to:references:mime-version:content-transfer-encoding; bh=xol/u+1dkwXDYdJj1FByLmZleIgnPQoAFSuSJrA+1lM=; b=c5q2fHhyrDLRK+Y3BLSFSxmIyb7qIitIPpoud/7X6fXT3gQtee7wjKUfGh3LhBuhfg Y0rgQR7MsreMx89DrdtS2IOeMX/9Omh46h2c02GD00WBhiuf5MF/GgeD+H0qOMHWO8Yz IfvwkQFO6NAyfgYhiIGJGGp8y8IfTD0izZFuBgHuGbHkMOrzcAfLpJmOm6RH2wwM5pwu xBwAh2vv6LQInvwzBmUbQkVihlpeNqClRjiM2EMP+EAIzgwXh8EjzowHhG63bGpXpeeY 2dgqIi1r7LX1Muer77/+193FzGarvnzAjyP1ztVZ/gNbGprrqfdU/jchsb5dpLnwk3B5 kBYw== X-Gm-Message-State: ALyK8tIbMooIA8ioxHgA+6h4KFZDYQNpvf2xOXRcRhoWWmj6xlZA8RA5ScYQazewHIXOM+QT X-Received: by 10.194.87.72 with SMTP id v8mr22642727wjz.68.1465293928796; Tue, 07 Jun 2016 03:05:28 -0700 (PDT) Received: from xps13.localnet (184.203.134.77.rev.sfr.net. [77.134.203.184]) by smtp.gmail.com with ESMTPSA id m5sm21212766wji.16.2016.06.07.03.05.27 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 07 Jun 2016 03:05:28 -0700 (PDT) From: Thomas Monjalon <thomas.monjalon@6wind.com> To: Anatoly Burakov <anatoly.burakov@intel.com> Cc: dev@dpdk.org, ferruh.yigit@intel.com Date: Tue, 07 Jun 2016 12:05:27 +0200 Message-ID: <12418422.MGNHXSpkm5@xps13> User-Agent: KMail/4.14.10 (Linux/4.5.4-1-ARCH; KDE/4.14.11; x86_64; ; ) In-Reply-To: <1464792717-17171-1-git-send-email-anatoly.burakov@intel.com> References: <1464792717-17171-1-git-send-email-anatoly.burakov@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH] ivshmem: document a potential segmentation fault in rte_ring X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Tue, 07 Jun 2016 10:05:29 -0000 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 <anatoly.burakov@intel.com> Applied, thanks