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=-5.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 3ABDCC433E0 for ; Fri, 5 Jun 2020 13:06:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 194C320897 for ; Fri, 5 Jun 2020 13:06:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726942AbgFENGH (ORCPT ); Fri, 5 Jun 2020 09:06:07 -0400 Received: from mx2.suse.de ([195.135.220.15]:33080 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726854AbgFENF6 (ORCPT ); Fri, 5 Jun 2020 09:05:58 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 1F23BAEE8; Fri, 5 Jun 2020 13:05:59 +0000 (UTC) Date: Fri, 5 Jun 2020 15:05:55 +0200 (CEST) From: Miroslav Benes To: Yannick Cote cc: live-patching@vger.kernel.org, linux-kselftest@vger.kernel.org, joe.lawrence@redhat.com, linux-kernel@vger.kernel.org, pmladek@suse.com, kamalesh@linux.vnet.ibm.com Subject: Re: [PATCH v2 1/4] selftests/livepatch: simplify test-klp-callbacks busy target tests In-Reply-To: <20200603182058.109470-2-ycote@redhat.com> Message-ID: References: <20200603182058.109470-1-ycote@redhat.com> <20200603182058.109470-2-ycote@redhat.com> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 3 Jun 2020, Yannick Cote wrote: > From: Joe Lawrence > > The test-klp-callbacks script includes a few tests which rely on kernel > task timings that may not always execute as expected under system load. > These may generate out of sequence kernel log messages that result in > test failure. > > Instead of using sleep timing windows to orchestrate these tests, add a > block_transition module parameter to communicate the test purpose and > utilize flush_queue() to serialize the test module's task output. > > Suggested-by: Petr Mladek > Signed-off-by: Joe Lawrence Acked-by: Miroslav Benes M