Hi Greg,
attached is the requested patch, rebased on top of current linux.3.15.y
stable tree.
Thanks,
Christian.
Am 07.07.2014 19:57, schrieb gregkh@xxxxxxxxxxxxxxxxxxx:
The patch below does not apply to the 3.15-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
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: [PATCH] drm/radeon: page table BOs are kernel allocations
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Userspace shouldn't be able to access them.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index 899d9126cad6..eecff6bbd341 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -495,7 +495,7 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
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;
@@ -992,7 +992,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
return -ENOMEM;
}
- r = radeon_bo_create(rdev, pd_size, align, false,
+ r = radeon_bo_create(rdev, pd_size, align, true,
RADEON_GEM_DOMAIN_VRAM, NULL,
&vm->page_directory);
if (r)
>From 81bface470e3b6518249e331afc28246b6465be6 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: [PATCH] drm/radeon: page table BOs are kernel allocations v2
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Userspace shouldn't be able to access them.
v2: rebased on 3.15
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/radeon/radeon_vm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index c11b71d..c8c48aa 100644
--- 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_device *rdev,
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 *rdev, struct radeon_vm *vm)
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)
--
1.9.1