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=-4.0 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 7C887C433DF for ; Mon, 13 Jul 2020 12:15:44 +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 49B9E206F0 for ; Mon, 13 Jul 2020 12:15:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 49B9E206F0 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 C17ED6E0AF; Mon, 13 Jul 2020 12:15:43 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id EF4B06E0AF for ; Mon, 13 Jul 2020 12:15:41 +0000 (UTC) IronPort-SDR: dCSvp+c57OOu3OH1Hp2SMhy/OVjhUm370h3vn1+R1Io/0FP2NVt/WvgVBbz85rPLNSV4E4J5Vu pLmmDAEB26aw== X-IronPort-AV: E=McAfee;i="6000,8403,9680"; a="166708373" X-IronPort-AV: E=Sophos;i="5.75,347,1589266800"; d="scan'208";a="166708373" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jul 2020 05:15:41 -0700 IronPort-SDR: wls6kdOqmRMKaSoWBdQCFYzloZioI42U3yIAPfwrOkgeouwtG9t5zErRm9VjSPNIlWQFWDG+Zj hKcQxEVay2Nw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,347,1589266800"; d="scan'208";a="485460617" Received: from gaia.fi.intel.com ([10.237.72.192]) by fmsmga005.fm.intel.com with ESMTP; 13 Jul 2020 05:15:40 -0700 Received: by gaia.fi.intel.com (Postfix, from userid 1000) id EFC505C0D4C; Mon, 13 Jul 2020 15:15:19 +0300 (EEST) From: Mika Kuoppala To: Chris Wilson , intel-gfx@lists.freedesktop.org In-Reply-To: <20200713120437.4442-1-chris@chris-wilson.co.uk> References: <20200713120437.4442-1-chris@chris-wilson.co.uk> Date: Mon, 13 Jul 2020 15:15:19 +0300 Message-ID: <87k0z7392g.fsf@gaia.fi.intel.com> MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH] drm/i915/gt: Free stale request on destroying the virtual engine 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: , Cc: stable@vger.kernel.org, Chris Wilson 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: > Since preempt-to-busy, we may unsubmit a request while it is still on > the HW and completes asynchronously. That means it may be retired and in > the process destroy the virtual engine (as the user has closed their > context), but that engine may still be holding onto the unsubmitted > compelted request. Therefore we need to potentially cleanup the old completed. -Mika _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx