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=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 7A61EC433E0 for ; Tue, 2 Feb 2021 21:24:22 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CD1AA64F91 for ; Tue, 2 Feb 2021 21:24:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD1AA64F91 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5481F6E9A3; Tue, 2 Feb 2021 21:24:21 +0000 (UTC) Received: from fireflyinternet.com (unknown [77.68.26.236]) by gabe.freedesktop.org (Postfix) with ESMTPS id 487866E9A3 for ; Tue, 2 Feb 2021 21:24:20 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from localhost (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP (TLS) id 23777347-1500050 for multiple; Tue, 02 Feb 2021 21:24:15 +0000 MIME-Version: 1.0 In-Reply-To: <161230047545.28247.13315008950874636165@build.alporthouse.com> References: <20210202151445.20002-1-chris@chris-wilson.co.uk> <20210202151445.20002-8-chris@chris-wilson.co.uk> <2097da50-efe4-1b23-67b5-9a43a70198c9@linux.intel.com> <161228783372.1150.6556483629376691686@build.alporthouse.com> <161230047545.28247.13315008950874636165@build.alporthouse.com> From: Chris Wilson To: Tvrtko Ursulin , intel-gfx@lists.freedesktop.org Date: Tue, 02 Feb 2021 21:24:16 +0000 Message-ID: <161230105652.29124.10262513252353794695@build.alporthouse.com> User-Agent: alot/0.9 Subject: Re: [Intel-gfx] [CI 08/14] drm/i915/selftests: Force a rewind if at first we don't succeed X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Quoting Chris Wilson (2021-02-02 21:14:35) > Quoting Chris Wilson (2021-02-02 17:43:53) > > Let's see how horrible it is to cycle elements on defer. (Curse the > > irqlock pollution.) > > While that did work. I do not have a good idea on how to do list > rotation on an RCU list. I can see that it must require a pair of > synchronize_rcu, and that spells disaster (at least for handling it > inline). > > Another way might be to randomize the deadlines along each branch to the > tree... Except we don't have deadlines at this point and we can't so > freely change the priorities. Speaking of which, this is 'fixed' by the deadlines as there we will reorder ELSP as the test expects. (Which is why I didn't notice this for so long.) -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx