From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f175.google.com (mail-pf0-f175.google.com [209.85.192.175]) by dpdk.org (Postfix) with ESMTP id AACDB7CF8 for ; Tue, 22 Aug 2017 18:56:01 +0200 (CEST) Received: by mail-pf0-f175.google.com with SMTP id h75so11802028pfh.1 for ; Tue, 22 Aug 2017 09:56:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NPgTt7IpKZNr0F43wUQGymLd4oWm1sdmx8z64wIMpCM=; b=lUV0VA5F4lr0u0TK5ZQZbFrdrLPzCq9xvSgY6CstQ0gs0HmQwW5Kl59DPEufNArspG B096CXq/96SCKxMQ8ViKPJO6N1Ky8d0rSzLi3ar52cXfjRotUzDkKdxQZ+H5XRMtCM8a eBmZGYlDxYXcbX+4yFzAOtVOUMjJV9w59eGsTgMeso49DyzUET56dTcTQbhKd9p+jemY I28s1ctLJt+VbHzOYRXDAn5cDxl0X27TkM0nvLB/1l4lGsiVA8rqBUpthsBx2r6hDIP9 Z9c8RXtxOnK1mN0F/H99LqNIwKladGpSCleMgkWnE5L9P8P9MtpastnmjKr1nxZJpmgt NkNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=NPgTt7IpKZNr0F43wUQGymLd4oWm1sdmx8z64wIMpCM=; b=mQgk8iOJ09JtshkwpcXYLysdUN68eHxrSzzZGkhxvgC7/VEc590eRblPjXggIE4xN/ CzBxGUcvgGDSrcTIv1tlAcyvjJb81HHQ8zTjcaE6PjzTZ31A28MYKyXYZcbbHbUDK6LX lZ0ZgzeIP+ra36ZMjuhJcaXqLsfhXLlSqDumAmWvChwkjq32SGEUdElqL+2g9MgOokxH i7BVwyHMXVzoTmhMpZ2gpAvUFl+L42kdwmAzFF0rQzZ+am3qimx1J6Q/CqMSpsv9L6JM SlS/r/RxVmJKZYRSfggA8rioJiqJiisGZYXXDSw6Hdb0qh/Zjgp95lh29y8Do3s25q+W eoiw== X-Gm-Message-State: AHYfb5jegjh6VQU/jHsPqx7vIVjgm9YINhLV7RR+CViF38EoBgt3oJ/S ++9RVaA2zxq3V6NcuOTlGA== X-Received: by 10.84.209.204 with SMTP id y70mr1532267plh.44.1503420960632; Tue, 22 Aug 2017 09:56:00 -0700 (PDT) Received: from xeon-e3 (76-14-207-240.or.wavecable.com. [76.14.207.240]) by smtp.gmail.com with ESMTPSA id l24sm25555094pgo.43.2017.08.22.09.56.00 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 22 Aug 2017 09:56:00 -0700 (PDT) Date: Tue, 22 Aug 2017 09:55:53 -0700 From: Stephen Hemminger To: Markus Theil Cc: ferruh.yigit@intel.com, dev@dpdk.org Message-ID: <20170822095553.418ed188@xeon-e3> In-Reply-To: <1503336825-7700-1-git-send-email-markus.theil@tu-ilmenau.de> References: <1503336825-7700-1-git-send-email-markus.theil@tu-ilmenau.de> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH] igb_uio: MSI IRQ mode, irq enable/disable refactored X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Aug 2017 16:56:01 -0000 On Mon, 21 Aug 2017 19:33:45 +0200 Markus Theil wrote: > This patch adds MSI IRQ mode and in a way, that should > also work on older kernel versions. The base for my patch > was an attempt to do this in cf705bc36c which was later reverted in > d8ee82745a. Compilation was tested on Linux 3.2, 4.10 and 4.12. > > MSI(X) setup was already using pci_alloc_irq_vectors before, > but calls to pci_free_irq_vectors were missing and added. > > Signed-off-by: Markus Theil I wonder if DPDK should only N-1 Long Term Stable kernel.org kernels? That would mean 4.4.83 or later now, and 4.9 or later starting with 18.XX releases. If enterprise distro's want to backport more, that is their prerogative but upstream DPDK shouldn't have to worry about it. The current mess with KNI especially is out of hand.