From owner-svn-src-all@freebsd.org Sat Aug 20 14:54:54 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D6FD4BC0EB1; Sat, 20 Aug 2016 14:54:54 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: from mail-io0-x22b.google.com (mail-io0-x22b.google.com [IPv6:2607:f8b0:4001:c06::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9FDFC1AA6; Sat, 20 Aug 2016 14:54:54 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: by mail-io0-x22b.google.com with SMTP id b62so73648816iod.3; Sat, 20 Aug 2016 07:54:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=Tfi3owlqCfj8981TI6k8TparvoQIFPJNpp1nuc9Uur0=; b=ZwRPb34zv8WzCnIyQbXNLC+SjRjo7gV35ReNflHKOBMbXHw5Be56C8w5B91g1PeuEU LMxRz2bKTGA0t05lNPqI6nhSb0rgRbrMidOiDBXHzz7PdQsnQ812tk4X8KZrmVqaNW4w d/JGWWM0W5e/bCjRuQo3GAew6Nn9k5cpKCDKqO6UQouK9Wo3tsViripHYjhuxkzYrseJ EhoRbcFP1yyp5ofMRHk0jmm80FoSXtCquHldZv6ZwQsEho9wIbf+zb4PV/DZsDkepEKT HT03jWPVgojRRDE6mRwJ0Kp9fpWYIjww+O/Z0fCN8IVLHuWY8aIVrAK0WFNacG+3IAt5 adCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=Tfi3owlqCfj8981TI6k8TparvoQIFPJNpp1nuc9Uur0=; b=eQtpIeH0ZOchqFeGClslJ+m29VrrV5r3HpmB8abDAHLVsjURdxOb0KtJ4qCaAvHaOi gIvRxGfkE47SxYky9lUpLkftxZz3iob9uj4jwzjBMJ5xYblyMGTEiF5ZeNLA/NqyNo0H uNIWdzH3vTL4jSe25+Tnn1GnwH4qNb+JVlFHxTNivIRSEIE+w8sFfx5bq+eWsXUdIRJZ yzlJRayW/5EsulAbKTsiDdsdDCaT5QPY7cormuTrZT+WQ4KZiWAT8/t2OS1fOJ55zwVt E7liaweA7ELJqpPham8uc03sbi3zA1Ty0nRyl0prUYcmeh6nayn35LILFlAcJyUdOEFg EVEQ== X-Gm-Message-State: AEkoouvBmPOaHLghL743/i7hFXdRFfhUTv0AmCF+bLddw/V9z4fR/smac3yGp8GsWjHoUFBDSxd9U1ei0JlLig== X-Received: by 10.107.129.97 with SMTP id c94mr15695178iod.102.1471704894032; Sat, 20 Aug 2016 07:54:54 -0700 (PDT) MIME-Version: 1.0 Received: by 10.107.200.71 with HTTP; Sat, 20 Aug 2016 07:54:53 -0700 (PDT) In-Reply-To: <96b7428a-0a57-6d6d-4b2e-24010596ceaf@FreeBSD.org> References: <201608182259.u7IMx0bx001967@repo.freebsd.org> <96b7428a-0a57-6d6d-4b2e-24010596ceaf@FreeBSD.org> From: Ryan Stone Date: Sat, 20 Aug 2016 10:54:53 -0400 Message-ID: Subject: Re: svn commit: r304435 - head/sys/netinet To: koobs@freebsd.org Cc: Ryan Stone , "src-committers@freebsd.org" , "svn-src-all@freebsd.org" , "svn-src-head@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Aug 2016 14:54:55 -0000 On Sat, Aug 20, 2016 at 6:08 AM, Kubilay Kocak wrote: > Hi Ryan, > > Could you elaborate on any of the potential performance implications of > this? > As if r304437, skipping the call to in_broadcast() means that we avoid an additional (potentially heavily contended) rlock acquire and release on the ifnet address list.