From owner-freebsd-current@FreeBSD.ORG Fri Jul 27 18:31:39 2012 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3C8D2106564A for ; Fri, 27 Jul 2012 18:31:39 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-gg0-f182.google.com (mail-gg0-f182.google.com [209.85.161.182]) by mx1.freebsd.org (Postfix) with ESMTP id E62898FC0A for ; Fri, 27 Jul 2012 18:31:38 +0000 (UTC) Received: by ggnm2 with SMTP id m2so4163688ggn.13 for ; Fri, 27 Jul 2012 11:31:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=qMQo6WHAL0eANdruf26tz5A/z40uwRpBE2g5UREyuGY=; b=GwZ8KlI8uMVEHsevTBVEZkjz+wgsuN1BS3Z0keTlAQEQXW9sTOLbvZBHhl9ndNJnRX A7zmubEPgP3G59yV4kokfUZcDDPeTBUxf/T9w0WG+uTbabmK78X0c6GBFVthCnwlcI1A arvAi+3gczOX6aAZF9xp6w/lY+vTsbFowOzy2/MmxEh0HSuokDbHBXPRBbMp6jhlmtjx j4P7DBgvWpCL5GJsiSTqYYMBOElBDi6tpxff7HSoyXWpZT6PmLy/okdzulKXQya0db0s BExzeP6U6Rnacm6K6wwAlKJsEWDd5aYnoTEYw2ljC4VrSAplKIMKSNYnF5o7R0ApiUXY mLGw== MIME-Version: 1.0 Received: by 10.66.74.69 with SMTP id r5mr7310939pav.56.1343413897808; Fri, 27 Jul 2012 11:31:37 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.68.66.136 with HTTP; Fri, 27 Jul 2012 11:31:37 -0700 (PDT) In-Reply-To: <20120727063514.GA49988@onelab2.iet.unipi.it> References: <20120724202019.GA22927@onelab2.iet.unipi.it> <20120725151403.GA33640@onelab2.iet.unipi.it> <20120727063514.GA49988@onelab2.iet.unipi.it> Date: Fri, 27 Jul 2012 11:31:37 -0700 X-Google-Sender-Auth: Eb-n_aZtyBbknBUE9Qu-8bqvcpo Message-ID: From: Adrian Chadd To: Luigi Rizzo Content-Type: text/plain; charset=ISO-8859-1 Cc: current@freebsd.org Subject: Re: RFC: use EM_LEGACY_IRQ in if_lem.c ? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Jul 2012 18:31:39 -0000 Hm. Ok, I wonder whether it's a general case of "touching the hardware too much" versus a more specific case of "all that taskqueue scheduling overhead is killing us in virtualised environments." Adrian