This is a note to let you know that I've just added the patch titled
drm/radeon: page table BOs are kernel allocations
to the 3.15-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-page-table-bos-are-kernel-allocations.patch
and it can be found in the queue-3.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 7dae77f8809a81b0dc5195debae8fd78cbbcc550 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>
Date: Wed, 2 Jul 2014 21:28:10 +0200
Subject: drm/radeon: page table BOs are kernel allocations
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From: Christian König <christian.koenig@xxxxxxx>
commit 7dae77f8809a81b0dc5195debae8fd78cbbcc550 upstream.
Userspace shouldn't be able to access them.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_vm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -493,7 +493,7 @@ int radeon_vm_bo_set_addr(struct radeon_
mutex_unlock(&vm->mutex);
r = radeon_bo_create(rdev, RADEON_VM_PTE_COUNT * 8,
- RADEON_GPU_PAGE_SIZE, false,
+ RADEON_GPU_PAGE_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL, &pt);
if (r)
return r;
@@ -913,7 +913,7 @@ int radeon_vm_init(struct radeon_device
return -ENOMEM;
}
- r = radeon_bo_create(rdev, pd_size, RADEON_VM_PTB_ALIGN_SIZE, false,
+ r = radeon_bo_create(rdev, pd_size, RADEON_VM_PTB_ALIGN_SIZE, true,
RADEON_GEM_DOMAIN_VRAM, NULL,
&vm->page_directory);
if (r)
Patches currently in stable-queue which might be from christian.koenig@xxxxxxx are
queue-3.15/drm-radeon-stop-poisoning-the-gart-tlb.patch
queue-3.15/drm-radeon-page-table-bos-are-kernel-allocations.patch
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