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 751B1A04E0; Thu, 28 Nov 2019 11:45:13 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 0D55728EE; Thu, 28 Nov 2019 11:45:12 +0100 (CET) Received: from dispatchb-us1.ppe-hosted.com (dispatchb-us1.ppe-hosted.com [148.163.129.53]) by dpdk.org (Postfix) with ESMTP id F17D0A3 for ; Thu, 28 Nov 2019 11:45:09 +0100 (CET) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us3.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 837FF480072; Thu, 28 Nov 2019 10:45:07 +0000 (UTC) Received: from [192.168.38.17] (10.17.10.39) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 28 Nov 2019 10:45:00 +0000 To: David Marchand , Vamsi Attunuru , Jerin Jacob , Ferruh Yigit CC: John McNamara , Marko Kovacevic , dev , Kiran Kumar K , Igor Ryzhov , Thomas Monjalon References: <20191120160009.46270-1-ferruh.yigit@intel.com> <20191120172227.42798-1-ferruh.yigit@intel.com> From: Andrew Rybchenko Autocrypt: addr=arybchenko@solarflare.com; keydata= mQINBF2681gBEACbdTxu8eLL3UX2oAelsnK9GkeaJeUYSOHPJQpV7RL/iaIskqTwBRnhjXt7 j9UEwGA+omnOmqQMpeQTb/F9Ma2dYE+Hw4/t/1KVjxr3ehFaASvwR4fWJfO4e2l/Rk4rG6Yi 5r6CWU2y8su2654Fr8KFc+cMGOAgKoZTZHZsRy5lHpMlemeF+VZkv8L5sYJWPnsypgqlCG3h v6lbtfZs+QqYbFH6bqoZwBAl5irmxywGR7ZJr1GLUZZ1lfdazSY8r6Vz0/Ip/KVxGu2uxo81 QCsAj0ZsQtwji9Sds/prTiPrIjx8Fc/tfbnAuVuPcnPbczwCJACzQr4q26XATL3kVuZhSBWh 4XfO/EAUuEq5AemUG5DDTM87g7Lp4eT9gMZB6P+rJwWPNWTiV3L7Cn+fO+l9mTPnOqdzBgDe OaulKiNSft1o0DY4bGzOmM2ad2cZt0jfnbMPMTE9zsr6+RFa+M8Ct20o6U1MUE4vP6veErMK of4kZ8PdoMM+Sq1hxMPNtlcVBSP9xMmdSZPlfDYI5VWosOceEcz7XZdjBJKdwKuz70V7eac4 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X-MDID: 1574937909-HXjDmZwx2qAD Subject: Re: [dpdk-dev] [PATCH v2] kni: increase kernel version requirement for VA 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 11/21/19 1:30 AM, David Marchand wrote: > On Wed, Nov 20, 2019 at 6:28 PM David Marchand > wrote: >> On Wed, Nov 20, 2019 at 6:22 PM Ferruh Yigit wrote: >>> A build error reported related to the selected >>> 'get_user_pages_remote()' kernel API: >>> >>> .../kernel/linux/kni/kni_dev.h:113:8: >>> error: too few arguments to function ‘get_user_pages_remote’ >>> ret = get_user_pages_remote(tsk, tsk->mm, iova, 1 >>> ^~~~~~~~~~~~~~~~~~~~~ >>> >>> Currently there are three version of the 'get_user_pages_remote()' >>> supported, based on kernel version >>> < 4.9, = 4.9, > 4.9 >>> >>> These version based checks are not working fine with the distro kernels >>> which is the cause of reported build error. The error reported by the >>> kernel version 4.8, but it is using API defined in > 4.9. >>> >>> To be able to take control of this, and possible more, related build >>> error, increasing the minimum supported kernel version for iova=va with >>> KNI to kernel version 4.9. >>> >>> This leaves us with single version of the kernel API and more >>> manageable. >>> >>> Signed-off-by: Ferruh Yigit > Reviewed-by: David Marchand > > We need this change to fix compilation issues for -rc3. > Applied, thanks. The build is still broken on Debian 9 stretch which has Linux 4.9.189, but corresponding function still has no the last argument. It looks like requirements should be bumped to >=4.10.0.