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 29120FD9E2A for ; Fri, 27 Feb 2026 01:52:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D3F0C10E0D2; Fri, 27 Feb 2026 01:52:32 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="AV2IRe9B"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 60E0610E0C4 for ; Fri, 27 Feb 2026 01:52:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772157152; x=1803693152; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=L5F9A+FsGe841uZMlWDyMzsG07L5fZRaqsw4/NE32XY=; b=AV2IRe9BJ+1Tk3nnNdM0BDqvj3EC4/U+z7Pc2k2Sc4ut6/VtlCJMXLk/ hq4Ve/7nmO9tqDYqSXcm9nuU8ozuwEjjuQ0WdY75FaiHuCGjKB/NMSUw+ bszoByhGlPgJtrlavXA2nmT3Gh3+ip4kgMF7DbZRJrpnffCir1z0vOym9 4yBkOs+qr9WJRqaVGfrE8eUAYgtZ2mkBKeEyX7WdA8MZ8pz9LUb4Dkftu LtMenuk+lp+eTIqgNamtHRanvZg7izaBYqGWiA7YsUTuPPpzOa2e7I8f/ 4YMMRCAEFt9YPj+PkOYZOT0yC9s+bX6imoeLuj9F2RnKrLI2AbTZVed15 g==; X-CSE-ConnectionGUID: M1sN4QCnRGuDLL4BZQT+aQ== X-CSE-MsgGUID: VURiesLLRh+cOq2kQtnRrg== X-IronPort-AV: E=McAfee;i="6800,10657,11713"; a="72268414" X-IronPort-AV: E=Sophos;i="6.21,313,1763452800"; d="scan'208";a="72268414" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2026 17:52:31 -0800 X-CSE-ConnectionGUID: JfDdRbvMQliV9W4qSSj2gg== X-CSE-MsgGUID: ZEvMzPkzQn64vh2USNBI7g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,313,1763452800"; d="scan'208";a="239739765" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2026 17:52:31 -0800 From: Matthew Brost To: intel-xe@lists.freedesktop.org Cc: stable@vger.kernel.org Subject: [PATCH] drm/xe: Disable garbage collector work item on SVM close Date: Thu, 26 Feb 2026 17:52:25 -0800 Message-Id: <20260227015225.3081787-1-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" When an SVM is closed, the garbage collector work item must be stopped synchronously and any future queuing must be prevented. Replace flush_work() with disable_work_sync() to ensure both conditions are met. Fixes: 63f6e480d115 ("drm/xe: Add SVM garbage collector") Cc: stable@vger.kernel.org Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c index 002b6c22ad3f..f8b57eca76fd 100644 --- a/drivers/gpu/drm/xe/xe_svm.c +++ b/drivers/gpu/drm/xe/xe_svm.c @@ -903,7 +903,7 @@ int xe_svm_init(struct xe_vm *vm) void xe_svm_close(struct xe_vm *vm) { xe_assert(vm->xe, xe_vm_is_closed(vm)); - flush_work(&vm->svm.garbage_collector.work); + disable_work_sync(&vm->svm.garbage_collector.work); xe_svm_put_pagemaps(vm); drm_pagemap_release_owner(&vm->svm.peer); } -- 2.34.1