From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx49gmMEjb6/ItKsEziGu+3XEd3wdIoGmY5dK1IuMvGVzCR602XU/SNnnW0F/3XxC9LlDPwWe ARC-Seal: i=1; a=rsa-sha256; t=1524478341; cv=none; d=google.com; s=arc-20160816; b=CyZOAN7o1z7CwSs6cU6nAqnrGHG633RrYmpB5aAK8kBjIqeF8TY5iEFXSAHIchBPYQ iNOfNtj34POX9P5fIfx134w9fi0xc2D03jGzJHASJj0shoajPShLEGZJebioZwLLrWxd OpQmhoVqetJDfWEKLZ7AE7mybL+UUzJfwm5pJ+WfEWqo6soqrG9XPMYq0UJUwrZ6Mbtv L5OTFco3U2t0nCKYT/HBMhL60x/MxR4NjOQNgf+XnKkpT1rIREA8dTqwYO1E2GhpGyqu YE2XD+WgRq0/SmV8I+TLas5FL29+31CciiIBNOjwNqB8VZuFqByQIIu6+Dk5wXqOIF/x DDDw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:date:from:arc-authentication-results; bh=MwRgql5mm3+eaeSbeWbWvGgcZ50ASz1ung2e67njjEs=; b=giW04gks5CaNeHdvLi9qRebL6jFd97Lhkci5Me1Jn+HWdrKFyf4vpMwQzdghche4l4 2NzHz/7YvtEgERvluRnb1FQlziKcYgdG/n+AoRh2Fnb6BvDWH1Fx6C7BPrsc8JxOo2uN cAwzo/qu52zZzP9mQ+CYwHxLrgc8mFHHnD+AX6Ci2kncckPmP4mLNpA5Z1IUyodHXgDZ CsR1WqwyZtf+l6ZjLMWVo2aC7NRcPNXmZvu2FZv7NKindhN77hbJvoeNXdqijLxtc/NW ZMGk6WUXS8JXGN0sfCaC8hSlUHt0Z43QcS5aYpOhIkOekdR3IZWNqVJJGEdI9rdG3Y7L B7nQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of christian.brauner@canonical.com designates 91.189.89.112 as permitted sender) smtp.mailfrom=christian.brauner@canonical.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of christian.brauner@canonical.com designates 91.189.89.112 as permitted sender) smtp.mailfrom=christian.brauner@canonical.com; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com From: Christian Brauner X-Google-Original-From: Christian Brauner Date: Mon, 23 Apr 2018 12:12:18 +0200 To: kbuild-all@01.org Cc: ebiederm@xmission.com, davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, avagin@virtuozzo.com, ktkhai@virtuozzo.com, serge@hallyn.com, gregkh@linuxfoundation.org Subject: Re: [PATCH net-next 2/2] netns: isolate seqnums to use per-netns locks Message-ID: <20180423101217.GA6903@gmail.com> References: <20180418152106.18519-3-christian.brauner@ubuntu.com> <201804231003.izXFVWTI%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <201804231003.izXFVWTI%fengguang.wu@intel.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1598097857058546891?= X-GMAIL-MSGID: =?utf-8?q?1598531401510711995?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Mon, Apr 23, 2018 at 10:39:50AM +0800, kbuild test robot wrote: > Hi Christian, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on net-next/master] > > url: https://github.com/0day-ci/linux/commits/Christian-Brauner/netns-uevent-performance-tweaks/20180420-013717 > config: alpha-alldefconfig (attached as .config) > compiler: alpha-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=alpha > > All errors (new ones prefixed by >>): > > kernel/ksysfs.o: In function `uevent_seqnum_show': > >> (.text+0x18c): undefined reference to `get_ns_uevent_seqnum_by_vpid' > (.text+0x19c): undefined reference to `get_ns_uevent_seqnum_by_vpid' Right, this happens when CONFIG_NET=n. I am about to send out the second version of the patch that includes all of the test results in the commit message and also accounts for kernels compiled without CONFIG_NET. Thanks! Christian > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation