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 E1D25C021B8 for ; Tue, 4 Mar 2025 11:38:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8CA9A10E2D8; Tue, 4 Mar 2025 11:38:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="VRrsgt/C"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id DEDD810E2D8 for ; Tue, 4 Mar 2025 11:38:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741088296; x=1772624296; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=twvFmHisa/byBV1TKVwFDP5NH2dQCFAVhh0XOUohOxc=; b=VRrsgt/CggNrkeuyOPUClsAWQMK2cRqOwP2XHE2bomWjsgjGBB2F1OwN 69tz/+O9WRa/FR2ndb8oKUEWFFTzJjErGA1cP6/y1kVwqn4iXifT8ALmm JGqXQiizK3zceD3oAvXoZegUOEMVaPVvKAATYpw5PpfCqC0T7zl/fsZ7U 7XJTUMeXbc+yVA60Vmx3auxYZfN55Dzg0ibqxhpwQKe+n7RW4uHgg1N1i 0w6yBfnhLeYNZNNSehJSbzhOuL7Tf2xKc8TmQkmILDJE6lFIdokij3I5b EzEZSn+QCulgipFCfiP5yrdgsxIYog0ZlemH4065ydMwab+XjVM4MSuOa Q==; X-CSE-ConnectionGUID: gWMFHKIESsWj4pKJRcrrOQ== X-CSE-MsgGUID: mqgqJs9TRWCCKVoGx+/duw== X-IronPort-AV: E=McAfee;i="6700,10204,11362"; a="59413166" X-IronPort-AV: E=Sophos;i="6.13,331,1732608000"; d="scan'208";a="59413166" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2025 03:38:16 -0800 X-CSE-ConnectionGUID: 4IuJWlW/R9GsyE+Xj+ccKg== X-CSE-MsgGUID: FT6QtaQ7StiP4SbvAQz55g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,331,1732608000"; d="scan'208";a="123471659" Received: from kniemiec-mobl1.ger.corp.intel.com (HELO fedora..) ([10.245.246.227]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2025 03:38:14 -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 v2 0/3] drm/xe: Userptr invalid page access fixes Date: Tue, 4 Mar 2025 12:37:55 +0100 Message-ID: <20250304113758.67889-1-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 | 175 ++++++++++++++++++++++++------- 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, 150 insertions(+), 40 deletions(-) -- 2.48.1