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=-0.8 required=3.0 tests=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 6DA1FC3F2D1 for ; Fri, 28 Feb 2020 12:19:25 +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 4BE81246AE for ; Fri, 28 Feb 2020 12:19:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4BE81246AE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com 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 E41196F440; Fri, 28 Feb 2020 12:19:24 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 611E86F440 for ; Fri, 28 Feb 2020 12:19:23 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Feb 2020 04:19:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,496,1574150400"; d="scan'208";a="238746919" Received: from gaia.fi.intel.com ([10.237.72.192]) by orsmga003.jf.intel.com with ESMTP; 28 Feb 2020 04:19:21 -0800 Received: by gaia.fi.intel.com (Postfix, from userid 1000) id A84B85C1D9C; Fri, 28 Feb 2020 14:18:09 +0200 (EET) From: Mika Kuoppala To: Chris Wilson , intel-gfx@lists.freedesktop.org In-Reply-To: <158289101241.24106.8869827794418521125@skylake-alporthouse-com> References: <20200227085723.1961649-1-chris@chris-wilson.co.uk> <20200227085723.1961649-3-chris@chris-wilson.co.uk> <878skn7wt9.fsf@gaia.fi.intel.com> <158289101241.24106.8869827794418521125@skylake-alporthouse-com> Date: Fri, 28 Feb 2020 14:18:09 +0200 Message-ID: <8736au9a7y.fsf@gaia.fi.intel.com> MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH 03/20] drm/i915/perf: Manually acquire engine-wakeref around use of kernel_context 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" Chris Wilson writes: > Quoting Mika Kuoppala (2020-02-28 11:53:06) >> Chris Wilson writes: >> >> > The engine->kernel_context is a special case for request emission. Since >> > it is used as the barrier within the engine's wakeref, we must acquire the >> > wakeref before submitting a request to the kernel_context. >> >> I am a bit surprised that the kernel ctx is used in this capacity... > > I am happy that you are surprised, and I hope you quickly forget and > return to your happy innocence. :) I am surprised in a same way when looking at people who enjoys playing games with other elemental building blocks...like for example hydrogen. Yes I am happy to leave the premises. Good luck. -Mika > -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx