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 DDD9AC282D9 for ; Tue, 4 Mar 2025 17:34:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 222B310E659; Tue, 4 Mar 2025 17:34:00 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="WWnJ+IR4"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3D7A310E305 for ; Tue, 4 Mar 2025 17:33:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741109638; x=1772645638; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=5PQR2OnfHweKpkn3u1BC05tsmr9EDGbzKzImpCwAkfo=; b=WWnJ+IR4Zn27HyWGXNCmfY8OUTZsDYn9oyyA/degX0Dt2FZ7WHuYh6Pc gsVS+2g0TeckwAtYBGDXt4AkgihPwM/d1oHYiCuq08emwpFpaTEl0VU9l w76SbBULGzfLskxXYnFHZl50xdbScE5Gm+ceBFJ7Z1KC09WVPJybAyffz spuuY4HHMskv3wyWT1zppWb8Rt8IlzKBKjbsjPHUn+8cXq6muxYLCPb7M VG0DkGGAIsZ3X4gnp/MO2cSQsnDxXAlViqRFVSnAkFSHPdqW2Zhz4JxjT shVstRyHD542dWA6kzwLwzE+AF0bnzLwtEbLm9z5eYPQD3ByK7HyfxTPk w==; X-CSE-ConnectionGUID: RGHvfpEsTvyEdS3VD36Qag== X-CSE-MsgGUID: lmrX3Xk9TAygKaIfStHG9w== X-IronPort-AV: E=McAfee;i="6700,10204,11363"; a="42172071" X-IronPort-AV: E=Sophos;i="6.14,220,1736841600"; d="scan'208";a="42172071" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2025 09:33:56 -0800 X-CSE-ConnectionGUID: gX9jkA82RLmt/oqh+1lLDA== X-CSE-MsgGUID: NZ4vTmCbSfar9bYqWppBIA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,220,1736841600"; d="scan'208";a="119123282" Received: from kniemiec-mobl1.ger.corp.intel.com (HELO fedora..) ([10.245.246.227]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2025 09:33:55 -0800 From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= To: intel-xe@lists.freedesktop.org Cc: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= , Matthew Auld , Oak Zeng Subject: [PATCH v3 0/3] drm/xe: Userptr invalid page access fixes Date: Tue, 4 Mar 2025 18:33:39 +0100 Message-ID: <20250304173342.22009-1-thomas.hellstrom@linux.intel.com> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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" Fix a number of potential invalid page-accesses by the userptr code. Patch 1: - Some coding style fixes. Patch 2: - Avoids invalid struct page accesses during userptr pinning. Patch 3: - Block xe device accesses on mmu_invalidation on the iommu level. v2: - Address review comments by Matt Auld Cc: Matthew Auld Cc: Oak Zeng Thomas Hellström (3): drm/xe/hmm: Style- and include fixes drm/xe/hmm: Don't dereference struct page pointers without notifier lock drm/xe/userptr: Unmap userptrs in the mmu notifier drivers/gpu/drm/xe/xe_hmm.c | 170 +++++++++++++++++++++++-------- drivers/gpu/drm/xe/xe_hmm.h | 7 ++ drivers/gpu/drm/xe/xe_vm.c | 4 + drivers/gpu/drm/xe/xe_vm_types.h | 4 + 4 files changed, 145 insertions(+), 40 deletions(-) -- 2.48.1