From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 69F00A058B for ; Wed, 25 Mar 2020 15:40:04 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3A464F3E; Wed, 25 Mar 2020 15:40:04 +0100 (CET) Received: from us-smtp-delivery-74.mimecast.com (us-smtp-delivery-74.mimecast.com [216.205.24.74]) by dpdk.org (Postfix) with ESMTP id 9D332F3E for ; Wed, 25 Mar 2020 15:40:02 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585147202; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+wT7WkiYZ0rw87xZYVAhUpYZ4YNBD15EKsdkY/Kwhyc=; b=GzhnB8sbnKw6OP0vO1Dzi7QzUu0MwXWcaMQm/rE1QVDXj2Y/mxK8sIfOFNEd6RvhBmqVPr lbenMKTFbJ9IEAHxFXJmN6Z9TIK0uGfEWdAL/q9kw0bX901RoSaWJ1y6E5k1vsxo1t6VLe 0ViTXqeQ1rLj58TxVy71yzPPULssek4= Received: from mail-ua1-f70.google.com (mail-ua1-f70.google.com [209.85.222.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-251-6Huyi9q1M8Kim9zpBrJApQ-1; Wed, 25 Mar 2020 10:40:00 -0400 X-MC-Unique: 6Huyi9q1M8Kim9zpBrJApQ-1 Received: by mail-ua1-f70.google.com with SMTP id a30so923031uae.6 for ; Wed, 25 Mar 2020 07:40:00 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=s4nabHewIzx9q+rzL99H2HxDR8TFrIrM9wzRZ21VYzA=; b=WsfO4CRW1kDi+mh6YbmyEZ5JKxP46mNxiN2+xyvPH+NAhHOFJtJsCoagpZaneCjoVK weB0P1qShuG5Bq4tLuVQH+X3dxV5NLSg1urigp3iw9j9Mf6olFI/fMPJk/fHiv8Pyimf ry+7b+n5HY4bnn8LRzL+oepoDuGC4QfiRZfMtrZ4j4lYqDp7zi5/+d/nkBkJdUok4+K3 CpmCZo8cqVakV5/N0fB4rpG7XsG5JAmdtEJccILL019XgDTXeoSs9qqYF5p449VAnQf+ x9A0Kxgr7aQxd29S0djtDtG5Ht1I/DM5F3sqXM8xzsnp9J+M0TCgKtmUsFovbeJu6eOK nAHg== X-Gm-Message-State: ANhLgQ1Xd2IROM9WaKgAwcF6+Ap8Srt9ICYGb3nKH6HE14aa0Skq8N+N Yne/s8v6pP9Wh6yGNGI1f5AONAuBxcmLhKNBFNkvUzHmea+ZFg/H9C2F/5A/gnHmNzPlN2WwL+w Gbnr4UnnTot/zW7azCmCB76M= X-Received: by 2002:ab0:698e:: with SMTP id t14mr2574492uaq.53.1585147199761; Wed, 25 Mar 2020 07:39:59 -0700 (PDT) X-Google-Smtp-Source: ADFU+vupdO+qio+tY5jv5viQkq/ZIQUgLqr9MSDJjnSkKGlc9+aGvmB//J104jdmqudJXfZTr8OxvQsjWUUP9ioY9AQ= X-Received: by 2002:ab0:698e:: with SMTP id t14mr2574468uaq.53.1585147199481; Wed, 25 Mar 2020 07:39:59 -0700 (PDT) MIME-Version: 1.0 References: <99d72c1b91e3fce36713b529ab47e8aa3fd78454.1579885526.git.anatoly.burakov@intel.com> <5ebcce5b7df8fa0620b3d0fd6bf67a0668b942ac.1581073866.git.anatoly.burakov@intel.com> In-Reply-To: <5ebcce5b7df8fa0620b3d0fd6bf67a0668b942ac.1581073866.git.anatoly.burakov@intel.com> From: David Marchand Date: Wed, 25 Mar 2020 15:39:48 +0100 Message-ID: To: Anatoly Burakov Cc: dev , dpdk stable X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [dpdk-stable] [PATCH v3] eal/mem: preallocate VA space in no-huge mode 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: , Errors-To: stable-bounces@dpdk.org Sender: "stable" On Fri, Feb 7, 2020 at 12:11 PM Anatoly Burakov wrote: > > When --no-huge mode is used, the memory is currently allocated with > mmap(NULL, ...). This is fine in most cases, but can fail in cases > where DPDK is run on a machine with an IOMMU that is of more limited > address width than that of a VA, because we're not specifying the > address hint for mmap() call. > > Fix it by preallocating VA space before mapping it. > > Cc: stable@dpdk.org > > Signed-off-by: Anatoly Burakov Reproduced issue reported by Thomas on v2. Works fine with v3. Tested-by: David Marchand Does this issue affect FreeBSD too? --=20 David Marchand