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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 DFD65C0650E for ; Mon, 1 Jul 2019 14:11:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ABB1C2175B for ; Mon, 1 Jul 2019 14:11:55 +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="e0eQTdyp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729438AbfGAOLy (ORCPT ); Mon, 1 Jul 2019 10:11:54 -0400 Received: from merlin.infradead.org ([205.233.59.134]:35568 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729190AbfGAOLy (ORCPT ); Mon, 1 Jul 2019 10:11:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding: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=1VgSGVjpsEKQCpHjQPsE3k7/QPeWcXfFA1BNcMXYV+k=; b=e0eQTdypu+j4ID+vC5noLGjR8 hIdOqtE5Vhg4YXsOxyt9W8Hv+3ptW1lb78iDHgUP9l9RdAAKUUsvslOKH0gs55A4jLxSQkIT3cZlc oWMIuung6+0CdxofzWYO6RM8/EEiala4WYHO8esaryRpat9KkXiJd++9MLx0O+XZJaFrX1Zl2O/04 ar6hftauRih1j9TBEGCol/nbK1CoyrjrBHboeq3lvjjH+KlWCJn7TOeqkFrAYqIu0seQ0rba7tfTZ 1MU4w3HrEk11TxIHL62NvW6UkzcPdG+AuBtAe8ZfY+yjM7E9AQU6BU3YNuZ5lejLTuOOMnMyw4bon evJWDMoig==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hhx21-0008JF-FH; Mon, 01 Jul 2019 14:11:46 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 2E24820A18920; Mon, 1 Jul 2019 16:11:44 +0200 (CEST) Date: Mon, 1 Jul 2019 16:11:44 +0200 From: Peter Zijlstra To: John Ogness Cc: linux-kernel@vger.kernel.org, Petr Mladek , Sergey Senozhatsky , Steven Rostedt , Linus Torvalds , Greg Kroah-Hartman , Andrea Parri , Thomas Gleixner , Sergey Senozhatsky Subject: Re: [RFC PATCH v2 1/2] printk-rb: add a new printk ringbuffer implementation Message-ID: <20190701141144.GZ3402@hirez.programming.kicks-ass.net> References: <20190607162349.18199-1-john.ogness@linutronix.de> <20190607162349.18199-2-john.ogness@linutronix.de> <20190618114747.GQ3436@hirez.programming.kicks-ass.net> <87k1df28x4.fsf@linutronix.de> <20190626224034.GK2490@worktop.programming.kicks-ass.net> <87mui2ujh2.fsf@linutronix.de> <20190628154435.GZ7905@worktop.programming.kicks-ass.net> <877e92f388.fsf@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <877e92f388.fsf@linutronix.de> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 01, 2019 at 12:39:35PM +0200, John Ogness wrote: > On 2019-06-28, Peter Zijlstra wrote: > > (Note that the qspinlock has a queue not unlike this, but that again > > doesn't have to bother with NMIs) > > Thank you for pointing this out! I will look to qspinlock for some > naming guidelines. Fair warning: qspinlock might hurt your brain; but if you do look and are unsure; let me know and I'll try and improve its comments.