[{"id":1761353,"web_url":"http://patchwork.ozlabs.org/comment/1761353/","msgid":"","list_archive_url":null,"date":"2017-08-31T22:35:06","subject":"Re: [PATCH net-next 1/2] net: prepare (struct ubuf_info)->refcnt\n\tconversion","submitter":{"id":67615,"url":"http://patchwork.ozlabs.org/api/people/67615/","name":"Willem de Bruijn","email":"willemdebruijn.kernel@gmail.com"},"content":"On Thu, Aug 31, 2017 at 4:30 PM, Eric Dumazet wrote:\n> In order to convert this atomic_t refcnt to refcount_t,\n> we need to init the refcount to one to not trigger\n> a 0 -> 1 transition.\n>\n> This also removes one atomic operation in fast path.\n>\n> Signed-off-by: Eric Dumazet \n\nAcked-by: Willem de Bruijn \n\nThanks, Eric.","headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"O1zH4N5y\"; dkim-atps=neutral"],"Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xjxzh6bjzz9s1h\n\tfor ;\n\tFri, 1 Sep 2017 08:36:00 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751367AbdHaWfv (ORCPT );\n\tThu, 31 Aug 2017 18:35:51 -0400","from mail-oi0-f65.google.com ([209.85.218.65]:35666 \"EHLO\n\tmail-oi0-f65.google.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751001AbdHaWfu (ORCPT\n\t); Thu, 31 Aug 2017 18:35:50 -0400","by mail-oi0-f65.google.com with SMTP id n18so533756oig.2\n\tfor ; Thu, 31 Aug 2017 15:35:50 -0700 (PDT)","by 10.168.52.10 with HTTP; Thu, 31 Aug 2017 15:35:06 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=gmail.com; s=20161025;\n\th=mime-version:in-reply-to:references:from:date:message-id:subject:to\n\t:cc; bh=d7W6OqHZv/kgl9CU60hsRwvC9YZgtdsrBWxsvALuLsI=;\n\tb=O1zH4N5y/B4fjNF51lepUFCtsSWu+H5aFXn3+JLDhpmTskZjQ71rnqYOSyekFvNb15\n\t9jRSpdiyoRyTtC0fQ7a/dDJHr7sUhkzISc5wDjUBLEbmvrALzHLxcJxv77wi5Xvo0HTi\n\tQLf1I40wnoF6CCyZji9vaC7GQzUC3NVuZEDkyc1SPsyrM/7F8r4Xcs19ZGvafHbxofaf\n\tRdCGfkybhUrpu/CViiQo9zjChdM8jNM1JbWO+62a+N2RQdmj2/GnBhBuBKgp1Sb87R0u\n\tFVFbwe7GaUpXU1pDU2loW3cIBKmx5bJTDGr038R1F2+a34PGtn29lDinb3rci3RRMbd4\n\tT9iw==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:mime-version:in-reply-to:references:from:date\n\t:message-id:subject:to:cc;\n\tbh=d7W6OqHZv/kgl9CU60hsRwvC9YZgtdsrBWxsvALuLsI=;\n\tb=npAPL1JzqTwjAlc8xefogppAQZITdxXMv7Y3UCqBynSmkSSZNaulkWDg+nbIYrQufr\n\t/3a5239bVA/IAhcXJ5NNpRPzYl0MCk12K90LjdtJ3MrgjJewawr4aBS5w7cSIj7gXa2J\n\tm3vFjpAPLdrRp71PC3Hq7HVqfkFNicVxoNlW1ltS3mp1BkMFHLFKvCrQnzCLFBe6AoNL\n\tnzexaKEQnRNyjhKOYE24XKy/8a7tFiap0PCeC6PlfLfmnu7R9tvXiSxa3XW85/e8c5DB\n\tNrk6McpPJzVqVC6guKqY+zCzqxwxv/8wg98dN1ZW4b4dLS3WlNfHpyjMTYZ3ZOJ/KO4O\n\tgKTA==","X-Gm-Message-State":"AHPjjUg8WBtpc75AeCUNvM9WlVTALIrVQNWJm97GQlt/g0aFuamu7TE+\n\tHqvq3se9kiMhS6UTWFTC/RdCFxcmVw==","X-Google-Smtp-Source":"ADKCNb5OUF75HOfdKzXZiy5YBCuh4E6DUCRDaZIg17dfdhd5Tx+rcwdazEN16JOBjhJTQFxWB4I+fA0chks2zzgRljI=","X-Received":"by 10.202.79.7 with SMTP id d7mr12928oib.36.1504218949520;\n\tThu, 31 Aug 2017 15:35:49 -0700 (PDT)","MIME-Version":"1.0","In-Reply-To":"<20170831203013.9219-2-edumazet@google.com>","References":"<20170831203013.9219-1-edumazet@google.com>\n\t<20170831203013.9219-2-edumazet@google.com>","From":"Willem de Bruijn ","Date":"Thu, 31 Aug 2017 18:35:06 -0400","Message-ID":"","Subject":"Re: [PATCH net-next 1/2] net: prepare (struct ubuf_info)->refcnt\n\tconversion","To":"Eric Dumazet ","Cc":"\"David S . Miller\" ,\n\tnetdev , Willem de Bruijn ,\n\tEric Dumazet ","Content-Type":"text/plain; charset=\"UTF-8\"","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"}}]