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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT 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 778F6C64EAD for ; Tue, 9 Oct 2018 10:56:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3BE432064E for ; Tue, 9 Oct 2018 10:56:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3BE432064E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linutronix.de 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 S1726691AbeJISMu (ORCPT ); Tue, 9 Oct 2018 14:12:50 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:43057 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726103AbeJISMu (ORCPT ); Tue, 9 Oct 2018 14:12:50 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1g9pgc-0001pc-4L; Tue, 09 Oct 2018 12:56:22 +0200 Date: Tue, 9 Oct 2018 12:56:22 +0200 From: Sebastian Andrzej Siewior To: Andrea Parri Cc: Julia Cartwright , Ingo Molnar , Thomas Gleixner , Peter Zijlstra , "linux-kernel@vger.kernel.org" , "linux-rt-users@vger.kernel.org" , Steffen Trumtrar , Tim Sander , Guenter Roeck Subject: Re: [PATCH 1/2] kthread: convert worker lock to raw spinlock Message-ID: <20181009105621.plqufigiauieir7z@linutronix.de> References: <20181005181035.GA19828@andrea> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20181005181035.GA19828@andrea> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018-10-05 20:10:35 [+0200], Andrea Parri wrote: > > Clearly not my topic..., but out of curiosity: What do you mean by > "well-bounded" and "minimal"? Can you maybe point me to some doc.? it means that the lock is not held for an arbitrary amount of time like by processing a list with thousand items. Well-bounded would mean not process more than one or five (or so) at a time. > Andrea Sebastian