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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 0EF6BC31E45 for ; Thu, 13 Jun 2019 20:07:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D98DD20B7C for ; Thu, 13 Jun 2019 20:07:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="moxFGE19" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727800AbfFMUHu (ORCPT ); Thu, 13 Jun 2019 16:07:50 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:52548 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726894AbfFMUHt (ORCPT ); Thu, 13 Jun 2019 16:07:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:To: Subject:Sender:Reply-To:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=ZmPiORcOHqHhQtMeKPGW/zsji3FUaaCaqkpqz5XaKfM=; b=moxFGE191G2MhREBT+t4ixwAD zJWs1ILiWaY7S0TDVcWLPP9PhdnO0V5IQWaIx9ewrrWBtJ30ULz49pHNXB16ETkDUD6200s/1KeeK P5uDaz0z36I5UGT6k7oEFPGLyy+nVbDnVIQCQg30uVIgnvubZZFsfVAyvN3bPxnuaH8qap1DZ4Qw2 BjvBk0zvuWF398KUsLJBSfpllemaUC7RaKhsHMGBq6s7WKt+D66eeHncon7RLKVtm+FxdIMqlhFVy 9sNU4f6QOaVJGHJaX9Nm7jY5hbAJAO/tyEahbjeYz2oz5N5utTlr7Hj2zqiSX9C6oCsN4cFS0sbKI ekg3sh2CA==; Received: from static-50-53-52-16.bvtn.or.frontiernet.net ([50.53.52.16] helo=midway.dunlab) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hbW0i-0000R9-CE; Thu, 13 Jun 2019 20:07:48 +0000 Subject: Re: PC speaker To: Theodore Ts'o , "R.F. Burns" , linux-kernel@vger.kernel.org References: <20190613195705.GC9609@mit.edu> From: Randy Dunlap Message-ID: Date: Thu, 13 Jun 2019 13:07:45 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190613195705.GC9609@mit.edu> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/13/19 12:57 PM, Theodore Ts'o wrote: > On Thu, Jun 13, 2019 at 12:16:37PM -0400, R.F. Burns wrote: >> Is it possible to write a kernel module which, when loaded, will blow >> the PC speaker? > > Yes; in fact, it's already been done. See sound/drivers/pcsp/ in the > Linux kernel sources. > > - Ted > Must be some kind of ritual by R.F. Burns: Lots of repeated postings from them on June 12 of multiple years. See https://lore.kernel.org/lkml/CABG1boNJirPD1bh5PyETz8jVSV6PyMwPYfhhVQWyztp8W-XjRg@mail.gmail.com/ -- ~Randy