From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49618 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751991AbbEJU6W (ORCPT ); Sun, 10 May 2015 16:58:22 -0400 Subject: Patch "drm/radeon: reset BOs address after clearing it." has been added to the 4.0-stable tree To: christian.koenig@amd.com, alexander.deucher@amd.com, gregkh@linuxfoundation.org Cc: , From: Date: Sun, 10 May 2015 14:32:16 +0200 Message-ID: <14312611361144@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled drm/radeon: reset BOs address after clearing it. to the 4.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-radeon-reset-bos-address-after-clearing-it.patch and it can be found in the queue-4.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 48afbd70ac7b6aa62e8d452091023941d8085f8a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Mon, 27 Apr 2015 17:04:35 +0200 Subject: drm/radeon: reset BOs address after clearing it. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: =?UTF-8?q?Christian=20K=C3=B6nig?= commit 48afbd70ac7b6aa62e8d452091023941d8085f8a upstream. Otherwise it is possible that we will have page table corruption if we change a BOs address multiple times. Signed-off-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/radeon_vm.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -490,6 +490,8 @@ int radeon_vm_bo_set_addr(struct radeon_ spin_lock(&vm->status_lock); list_add(&tmp->vm_status, &vm->freed); spin_unlock(&vm->status_lock); + + bo_va->addr = 0; } interval_tree_remove(&bo_va->it, &vm->va); Patches currently in stable-queue which might be from christian.koenig@amd.com are queue-4.0/drm-radeon-fix-lockup-when-bos-aren-t-part-of-the-vm-on-release.patch queue-4.0/drm-radeon-reset-bos-address-after-clearing-it.patch queue-4.0/drm-radeon-check-new-address-before-removing-old-one.patch queue-4.0/drm-radeon-use-drm_calloc_ab-for-cs-relocs.patch