diff options
| author | Dave Airlie <airlied@redhat.com> | 2008-02-18 10:39:21 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2008-03-06 05:37:54 +1000 |
| commit | d5c0101252e9f48ef1b59f48c05fea7007df97f0 (patch) | |
| tree | 01535953771262eddc3b18ac1dbd210db608aaa9 /shared-core | |
| parent | 180c9188f4cb7163f1e3e7d5098eaabf29a98540 (diff) | |
ttm: make sure userspace can't destroy kernel create memory managers
this adds something to say the kernel initialised the memory region not
the userspace. and blocks userspace from deallocating kernel areas
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/nouveau_mem.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/shared-core/nouveau_mem.c b/shared-core/nouveau_mem.c index 3d376aed..80b2990d 100644 --- a/shared-core/nouveau_mem.c +++ b/shared-core/nouveau_mem.c @@ -376,7 +376,7 @@ nouveau_mem_init_ttm(struct drm_device *dev) bar1_size = drm_get_resource_len(dev, 1) >> PAGE_SHIFT; if (bar1_size < vram_size) { if ((ret = drm_bo_init_mm(dev, DRM_BO_MEM_PRIV0, - bar1_size, vram_size - bar1_size))) { + bar1_size, vram_size - bar1_size, 1))) { DRM_ERROR("Failed PRIV0 mm init: %d\n", ret); return ret; } @@ -387,7 +387,7 @@ nouveau_mem_init_ttm(struct drm_device *dev) #ifdef HACK_OLD_MM vram_size /= 4; #endif - if ((ret = drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, vram_size))) { + if ((ret = drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, vram_size, 1))) { DRM_ERROR("Failed VRAM mm init: %d\n", ret); return ret; } @@ -407,7 +407,7 @@ nouveau_mem_init_ttm(struct drm_device *dev) if ((ret = drm_bo_init_mm(dev, DRM_BO_MEM_TT, 0, dev_priv->gart_info.aper_size >> - PAGE_SHIFT))) { + PAGE_SHIFT, 1))) { DRM_ERROR("Failed TT mm init: %d\n", ret); return ret; } |