From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail177-1.suw61.mandrillapp.com ([198.2.177.1]:1294 "EHLO mail177-1.suw61.mandrillapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753147AbcCATzQ convert rfc822-to-8bit (ORCPT ); Tue, 1 Mar 2016 14:55:16 -0500 Received: from pmta06.mandrill.prod.suw01.rsglab.com (127.0.0.1) by mail177-1.suw61.mandrillapp.com id hqnpq822rtk5 for ; Tue, 1 Mar 2016 19:55:16 +0000 (envelope-from ) From: Subject: Patch "drm/radeon: hold reference to fences in radeon_sa_bo_new" has been added to the 3.10-stable tree To: , , Cc: , Message-Id: <14568621067136@kroah.com> Date: Tue, 01 Mar 2016 19:55:15 +0000 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: hold reference to fences in radeon_sa_bo_new to the 3.10-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-hold-reference-to-fences-in-radeon_sa_bo_new.patch and it can be found in the queue-3.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From f6ff4f67cdf8455d0a4226eeeaf5af17c37d05eb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicolai=20H=C3=A4hnle?= Date: Fri, 5 Feb 2016 14:35:53 -0500 Subject: drm/radeon: hold reference to fences in radeon_sa_bo_new MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Nicolai Hähnle commit f6ff4f67cdf8455d0a4226eeeaf5af17c37d05eb upstream. An arbitrary amount of time can pass between spin_unlock and radeon_fence_wait_any, so we need to ensure that nobody frees the fences from under us. Based on the analogous fix for amdgpu. Signed-off-by: Nicolai Hähnle Reviewed-by: Christian König Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/radeon/radeon_sa.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/gpu/drm/radeon/radeon_sa.c +++ b/drivers/gpu/drm/radeon/radeon_sa.c @@ -349,8 +349,13 @@ int radeon_sa_bo_new(struct radeon_devic /* see if we can skip over some allocations */ } while (radeon_sa_bo_next_hole(sa_manager, fences, tries)); + for (i = 0; i < RADEON_NUM_RINGS; ++i) + radeon_fence_ref(fences[i]); + spin_unlock(&sa_manager->wq.lock); r = radeon_fence_wait_any(rdev, fences, false); + for (i = 0; i < RADEON_NUM_RINGS; ++i) + radeon_fence_unref(&fences[i]); spin_lock(&sa_manager->wq.lock); /* if we have nothing to wait for block */ if (r == -ENOENT && block) { Patches currently in stable-queue which might be from nicolai.haehnle@amd.com are queue-3.10/drm-radeon-hold-reference-to-fences-in-radeon_sa_bo_new.patch