Displaying 5 results from an estimated 5 matches for "nvkm_memory_tags_put".
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nvkm_memory_tags_get
2018 Feb 13
2
[drm-nouveau-mmu] question about potential NULL pointer dereference
...e(root, dir) ((root)->head.dir == &vmm->list) ? NULL :
\
958 list_entry((root)->head.dir, struct nvkm_vma, head)
959
960void
961nvkm_vmm_unmap_region(struct nvkm_vmm *vmm, struct nvkm_vma *vma)
962{
963 struct nvkm_vma *next;
964
965 nvkm_memory_tags_put(vma->memory,
vmm->mmu->subdev.device, &vma->tags);
966 nvkm_memory_unref(&vma->memory);
967
968 if (vma->part) {
969 struct nvkm_vma *prev = node(vma, prev);
970 if (!prev->memory) {
971 pr...
2018 Feb 13
0
[drm-nouveau-mmu] question about potential NULL pointer dereference
...>head.dir == &vmm->list) ? NULL :
> \
> 958 list_entry((root)->head.dir, struct nvkm_vma, head)
> 959
> 960void
> 961nvkm_vmm_unmap_region(struct nvkm_vmm *vmm, struct nvkm_vma *vma)
> 962{
> 963 struct nvkm_vma *next;
> 964
> 965 nvkm_memory_tags_put(vma->memory, vmm->mmu->subdev.device,
> &vma->tags);
> 966 nvkm_memory_unref(&vma->memory);
> 967
> 968 if (vma->part) {
> 969 struct nvkm_vma *prev = node(vma, prev);
> 970 if (!prev->memory) {
> 97...
2019 May 17
4
drm/nouveau/core/memory: kmemleak 684 new suspected memory leaks
...mory.c
index e85a08ecd9da..cd46f54c5c32 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/memory.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/memory.c
@@ -25,6 +25,7 @@
#include <core/mm.h>
#include <subdev/fb.h>
#include <subdev/instmem.h>
+#include <linux/kmemleak.h>
void
nvkm_memory_tags_put(struct nvkm_memory *memory, struct nvkm_device *device,
@@ -92,6 +93,7 @@ nvkm_memory_tags_get(struct nvkm_memory *memory, struct nvkm_device *device,
refcount_set(&tags->refcount, 1);
mutex_unlock(&fb->subdev.mutex);
+ kmemleak_not_leak(tags);
*ptags = tags;
return 0;
}
--...
2019 Sep 16
9
[PATCH 0/6] drm/nouveau: Preparatory work for GV11B support
From: Thierry Reding <treding at nvidia.com>
Hi Ben,
these are a couple of patches that are in preparation for adding GV11B
support. The fundamental issue that these are trying to solve is that
the GV11B is the first Tegra incarnation of the GPU where the aperture
really matters. All prior generations would accept any of them.
For dGPUs we usually allocate memory in VRAM, so the default
2018 Mar 10
17
[RFC PATCH 00/13] SVM (share virtual memory) with HMM in nouveau
From: Jérôme Glisse <jglisse at redhat.com>
(mm is cced just to allow exposure of device driver work without ccing
a long list of peoples. I do not think there is anything usefull to
discuss from mm point of view but i might be wrong, so just for the
curious :)).
git://people.freedesktop.org/~glisse/linux branch: nouveau-hmm-v00