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 E3FAC10ED678 for ; Fri, 27 Mar 2026 13:24:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 906B810E073; Fri, 27 Mar 2026 13:24:46 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="fK5hbQtf"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 90E6310E073 for ; Fri, 27 Mar 2026 13:24:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774617879; x=1806153879; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=dBOmqjhNFklevKCIFre5uv2pgyy0CelovOJhPmeuLCE=; b=fK5hbQtfQip+u9G2kFdB0FawPf8cf4FPRviHAP+ptMBYZKt1IbvRSl3W 5R11RNsRRwCEGMGhUWhzocVFYCfFu543OBG96+rqDtQNfh3unryahxfH3 c0yiEL1YAgCXWMmcLcCkcVHQmkud6Z2fGlZ8hABAFs5NG1oR8BrxbCKCU y3DqQLTE0oX48if5+SbNpbfjUcyVMiPKAmwAMbxHzrNPjE6cLrKPZEbXX U3BBuUyhg+VDGPffrFMqF/VDOQO7h97UWmVP6SeGkzMnK/lJNuJ9PwoAO X0ntqdYagekeQKfnOfo8xm4uZbr4kaadBv9aenJ9u1d7nYpAVnoCp9VmH g==; X-CSE-ConnectionGUID: zlVkE/GgQkeqnR/qIaUhug== X-CSE-MsgGUID: ask2TBl0Q8Wd5fJzbyYgvA== X-IronPort-AV: E=McAfee;i="6800,10657,11741"; a="75804630" X-IronPort-AV: E=Sophos;i="6.23,144,1770624000"; d="scan'208";a="75804630" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2026 06:24:39 -0700 X-CSE-ConnectionGUID: KQ8Boqi0Tuu+xnf02tTSBQ== X-CSE-MsgGUID: EjeZkOjITSijzj44hNhCrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,144,1770624000"; d="scan'208";a="230239069" Received: from dut6245dg2frd.fm.intel.com ([10.80.54.109]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2026 06:24:39 -0700 From: Sobin Thomas To: igt-dev@lists.freedesktop.org Cc: thomas.hellstrom@intel.com, nishit.sharma@intel.com, Sobin Thomas Subject: [PATCH i-g-t v8 0/3] tests/intel/xe_vm: Add support for overcommit tests Date: Fri, 27 Mar 2026 13:24:23 +0000 Message-ID: <20260327132427.2681193-1-sobin.thomas@intel.com> X-Mailer: git-send-email 2.52.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Current tests focus on VM creation and basic mode selection, but do not cover overcommit scenarios. This change adds tests to verify overcommit behavior across different VM modes. Non-fault mode tests: - vram-lr-defer: DEFER_BACKING rejects overcommit at bind time - vram-lr-external-nodefer: Long-running mode with an external BO and no deferred backing - vram-no-lr: Non-long-running mode Fault mode tests: - vram-lr-fault: Fault handling allows graceful overcommit via page faults - vram-lr-fault-no-overcommit: Verifies NO_VM_OVERCOMMIT blocks same-VM BO eviction during VM_BIND, while still allowing eviction during page-fault OOM handling These tests validate that VMs respond correctly to memory pressure based on their configuration—by rejecting at bind time, failing during execution, or handling overcommit gracefully via page faults. Currently, overcommit behavior is tested for VRAM only. -------------------------------------- Link (historical context): https://patchwork.freedesktop.org/series/161557/ Sobin Thomas (3): drm-uapi/xe: sync with kernel header lib/xe: Add failable variant of xe_vm_bind_lr_sync() tests/intel/xe_vm: Add support for overcommit tests include/drm-uapi/xe_drm.h | 22 +-- lib/xe/xe_ioctl.c | 36 +++- lib/xe/xe_ioctl.h | 4 + tests/intel/xe_vm.c | 395 +++++++++++++++++++++++++++++++++++++- 4 files changed, 439 insertions(+), 18 deletions(-) -- 2.52.0