From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DA07C432C0 for ; Tue, 19 Nov 2019 01:03:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7847422313 for ; Tue, 19 Nov 2019 01:03:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726952AbfKSBDf (ORCPT ); Mon, 18 Nov 2019 20:03:35 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:51996 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726894AbfKSBDf (ORCPT ); Mon, 18 Nov 2019 20:03:35 -0500 Received: from localhost (unknown [IPv6:2601:601:9f00:1e2::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id B7D8E150FA0E4; Mon, 18 Nov 2019 17:03:34 -0800 (PST) Date: Mon, 18 Nov 2019 17:03:33 -0800 (PST) Message-Id: <20191118.170333.2218428781780118321.davem@davemloft.net> To: brouer@redhat.com Cc: toke@redhat.com, netdev@vger.kernel.org, ilias.apalodimas@linaro.org, saeedm@mellanox.com, mcroce@redhat.com, jonathan.lemon@gmail.com, lorenzo@kernel.org, tariqt@mellanox.com Subject: Re: [net-next v2 PATCH 0/3] page_pool: followup changes to restore tracepoint features From: David Miller In-Reply-To: <157390333500.4062.15569811103072483038.stgit@firesoul> References: <157390333500.4062.15569811103072483038.stgit@firesoul> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Mon, 18 Nov 2019 17:03:35 -0800 (PST) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jesper Dangaard Brouer Date: Sat, 16 Nov 2019 12:22:32 +0100 > This patchset is a followup to Jonathan patch, that do not release > pool until inflight == 0. That changed page_pool to be responsible for > its own delayed destruction instead of relying on xdp memory model. > > As the page_pool maintainer, I'm promoting the use of tracepoint to > troubleshoot and help driver developers verify correctness when > converting at driver to use page_pool. The role of xdp:mem_disconnect > have changed, which broke my bpftrace tools for shutdown verification. > With these changes, the same capabilities are regained. Series applied, thanks Jesper.