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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id CFF23CD11DF for ; Thu, 28 Mar 2024 18:21:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7271C112044; Thu, 28 Mar 2024 18:21:29 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="buzqEe6d"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2CA2D112044 for ; Thu, 28 Mar 2024 18:21:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711650089; x=1743186089; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=lK8IjUMY4vP6HIblzAbHVo6daAG+qZNieGtrEw/Xx5o=; b=buzqEe6d7EzDc3mDOwb4ZRzxxoQ2dUliWwB5FTsSmsi08Ny1Qeh1t54P +spv+m1CiXlc9UkdVsS5Z915vTBC1G/mHT2Yik9akCIMpVRyJPKiCpnZL dHmLTQpAkFj4m+6O3pliMxNE6NGMUQlg+OgdQaTCK3TrsJ7xti9N7dTeY QDN3AgII0KE3TYN1fpBGJ52mcZqNf93sZwQkWpiFOqwONR1HAa/elCgq/ KGpp6fKm3z31xmfLOvyrxohCAs8Fv8LFQM+qIBqzwICfoEO0RxztHmxRI xYO9/NM0MhfiicO5UJwXkr7jygVgjnRGj3yrbvV+vX//eD3ndjLi+BCKJ w==; X-CSE-ConnectionGUID: gFSgfdbURpaU+iivisj5+Q== X-CSE-MsgGUID: PkVRRNJxSImGQclo2Vcdpw== X-IronPort-AV: E=McAfee;i="6600,9927,11027"; a="29307490" X-IronPort-AV: E=Sophos;i="6.07,162,1708416000"; d="scan'208";a="29307490" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Mar 2024 11:21:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,162,1708416000"; d="scan'208";a="16784205" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Mar 2024 11:21:27 -0700 From: Matthew Brost To: Cc: , rodrigo.vivi@intel.com, lucas.demarchi@intel.com, Matthew Brost Subject: [PATCH 0/3] Rework work queue usage Date: Thu, 28 Mar 2024 11:21:44 -0700 Message-Id: <20240328182147.4169656-1-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Avoid sleeping or grabbing locks in work queues shared with the system. Recent changes to work queues [1] have exposed deadlocks [2] in Xe. I believe only patch #1 is required to unblock CI in 6.9rc1 [2] but likely all patches should be included in stable kernels. Matt [1] https://lore.kernel.org/lkml/Ze7Jz9cQcUMtCqfk@slm.duckdns.org/ [2] https://intel-gfx-ci.01.org/tree/intel-xe/xe-984-093d82c02921344d8d400989af156aaf79b9d961/bat-adlp-7/igt_runner0.txt Matthew Brost (3): drm/xe: Use ordered wq for preempt fence waiting drm/xe: Use device, gt ordered work queues for resource cleanup drm/xe: Use ordered WQ for TLB invalidation fences drivers/gpu/drm/xe/xe_device.c | 7 ++++++- drivers/gpu/drm/xe/xe_device_types.h | 8 +++++++- drivers/gpu/drm/xe/xe_execlist.c | 2 +- drivers/gpu/drm/xe/xe_gt_types.h | 5 ++++- drivers/gpu/drm/xe/xe_guc_submit.c | 2 +- drivers/gpu/drm/xe/xe_preempt_fence.c | 2 +- drivers/gpu/drm/xe/xe_pt.c | 2 +- drivers/gpu/drm/xe/xe_vm.c | 4 ++-- 8 files changed, 23 insertions(+), 9 deletions(-) -- 2.34.1