From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f49.google.com (mail-oi0-f49.google.com [209.85.218.49]) by dpdk.org (Postfix) with ESMTP id 7D7DD8DA2 for ; Wed, 28 Oct 2015 14:40:56 +0100 (CET) Received: by oiad129 with SMTP id d129so4368864oia.0 for ; Wed, 28 Oct 2015 06:40:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind_com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=SUuSAxF6I03tWIG8yLlvliZ0OSjMNe8PAdk4mnDaXb4=; b=eJZo1lacQgJIS+DTMlzoeeoU7Qao4pdkBhVoi8XlijGLj8njSll2oakiRpDrqgvUyy ugOWxJ5/HUjFQMDtBIA96SfTzem52n/WpDcKEiIvLvCqkZhIKS2KJMHSCHBWSY2iwCEQ kanI4hcX797rX5h1tXN1C1/Zj+7MllKqL3hknWzDsX5bikhKW8Aps89pPsKHttceV5Wy phnWYBUaM5qd90yFWYCAtcVa/z96N0THuKm3UOhW5493lLhIYW784Qug7J6ZCVt7OryV mWQs3gWK49BEWrquTImaxdhe7shpATA2VucZ6d0HoX/7R72LtWuxNJ8T9OjK7s68rSEC 4fwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=SUuSAxF6I03tWIG8yLlvliZ0OSjMNe8PAdk4mnDaXb4=; b=WC7lJ2Wn8y0SS8M1ubOrCn+doJrSg1bjwli967zM4H+auL/BZf7OWKUnTU9A47+PS+ wXIbMEo9F3g0q755xKUF6Qd6xhhCnG45Vrvu/DX2MdttBJNC4wziz+oOogcQArRrmBZ2 eL774jEEQAgys2IUMcuZhsA/8PQwL+UPganmK42DqnvQr4f3p/5ra160lSKkOidnwD8T 2Zq2vL5bVOCLAFtY1E5MtI+QjsKygnd6R6DmnFgUhDgAkm9TNMfWULAJftsNchEw7w6x 0qSZq6C4LCoSwl++n3deyiYqSksHkSZ1lb4UGDlLKd8np+WWTsLo7agxj6z8+BNx/2QW W3ng== X-Gm-Message-State: ALoCoQlvtzL9ULsG/rSSICYJXcyfNBk6hrvtu4zXx1+vHdl33R2ZaR8f/MxF2mbvQS/YHqvUz0zR MIME-Version: 1.0 X-Received: by 10.202.102.88 with SMTP id a85mr29283355oic.90.1446039655952; Wed, 28 Oct 2015 06:40:55 -0700 (PDT) Received: by 10.76.131.166 with HTTP; Wed, 28 Oct 2015 06:40:55 -0700 (PDT) In-Reply-To: <20151028115606.74fb2fb8@jvn> References: <1445877458-31052-1-git-send-email-viktorin@rehivetech.com> <1445973229-22058-1-git-send-email-viktorin@rehivetech.com> <1445973229-22058-2-git-send-email-viktorin@rehivetech.com> <20151028115606.74fb2fb8@jvn> Date: Wed, 28 Oct 2015 14:40:55 +0100 Message-ID: From: David Marchand To: Jan Viktorin Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: "dev@dpdk.org" , Vlastimil Kosar Subject: Re: [dpdk-dev] [PATCH v3 01/17] mk: Introduce ARMv7 architecture X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Oct 2015 13:40:56 -0000 On Wed, Oct 28, 2015 at 11:56 AM, Jan Viktorin wrote: > On Wed, 28 Oct 2015 11:09:21 +0100 > David Marchand wrote: > > > +# PCI is usually not used on ARM > > > +CONFIG_RTE_EAL_IGB_UIO=n > > > > > > > Not sure "usually not used" is a good reason to disable something. > > Is there a real issue on arm with igb_uio code (compilation, pci > accesses) ? > > > > Well, it requires to set some options in Linux Kernel (at least PCI > support) which are usually disabled by the in-kernel *arm*_defconfigs. > Moreover, it seems I cannot enable it for some ARM architectures (I've > tried Altera SoC FPGA). That's because you hardly find an ARMv7 system > with a PCI bus. I suppose that if somebody _really_ needs this, she would > enable it by hand. > > At the moment, it breaks my common builds... The driver is mostly > useless on ARMv7 and just takes space in the filesystem. > > Ok, well, at the moment, you seem to be the only user :-) Let's see what other people say. -- David Marchand