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=-3.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT autolearn=ham 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 A2042C2BC61 for ; Mon, 29 Oct 2018 17:55:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5604820870 for ; Mon, 29 Oct 2018 17:55:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="vw65rX1b" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5604820870 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728294AbeJ3Co4 (ORCPT ); Mon, 29 Oct 2018 22:44:56 -0400 Received: from mail.kernel.org ([198.145.29.99]:43550 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728279AbeJ3Co4 (ORCPT ); Mon, 29 Oct 2018 22:44:56 -0400 Received: from jouet.infradead.org (unknown [179.97.41.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1144E204FD; Mon, 29 Oct 2018 17:55:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1540835716; bh=QcuORfmAL79u8PDA5uSbC3+wJDnCwX962HhcfXHQcqk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vw65rX1bP+YSmSfPvG+obBGqRkUmb2+1tSzWkHC/Q+hLtr1TpJ04fPKQEiLdJKGgI 6Yg4cuj+1qoOFFHOFVV8Ua0ply+v7LO5U3nEIiYUgIwaSuZgzIWo3x0ZjBfoTMmq0R sMSKduu5vRh0T6rA3X+ARMotVhvSEXxBrxZzKMxA= Received: by jouet.infradead.org (Postfix, from userid 1000) id 382A1142C5F; Mon, 29 Oct 2018 14:55:14 -0300 (-03) Date: Mon, 29 Oct 2018 14:55:14 -0300 From: Arnaldo Carvalho de Melo To: David Miller Cc: kan.liang@linux.intel.com, linux-kernel@vger.kernel.org, wangnan0@huawei.com, jolsa@kernel.org, namhyung@kernel.org, kan.liang@intel.com, ak@linux.intel.com, yao.jin@linux.intel.com, peterz@infradead.org Subject: Re: [PATCHES/RFC] Re: A concern about overflow ring buffer mode Message-ID: <20181029175514.GI21857@kernel.org> References: <4f84468f-37d9-cf1b-12c1-514ef74b6a48@linux.intel.com> <20181029130331.GC21857@kernel.org> <0247fca0-5a94-9a83-cefa-282804316729@linux.intel.com> <20181029.104008.791032322062574758.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181029.104008.791032322062574758.davem@davemloft.net> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Mon, Oct 29, 2018 at 10:40:08AM -0700, David Miller escreveu: > From: "Liang, Kan" > Date: Mon, 29 Oct 2018 10:33:06 -0400 > > > I just realized that the problem in KNL will be back if we switch > > back to non-overwrite mode. > >> What is KNL? I guess its Knights Landing. https://en.wikipedia.org/wiki/Xeon_Phi - Arnaldo