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gpu: nvgpu: Remove IOCTL FREE_OBJ_CTX

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We have never used the IOCTL FREE_OBJ_CTX. Using it leads to context
being only partially available, and can lead to use-after-free.

Bug 1834225

Change-Id: I9d2b632ab79760f8186d02e0f35861b3a6aae649
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1250004
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Terje Bergstrom
2016-11-08 14:29:14 -08:00
committed by mobile promotions
parent e580e68f23
commit 8fa5e7c58a
7 changed files with 0 additions and 67 deletions
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6
include/uapi/linux/nvgpu.h
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@@ -973,10 +973,6 @@ struct nvgpu_alloc_obj_ctx_args {
__u64 obj_id; /* output, used to free later */
};
struct nvgpu_free_obj_ctx_args {
__u64 obj_id; /* obj ctx to free */
};
struct nvgpu_alloc_gpfifo_args {
__u32 num_entries;
#define NVGPU_ALLOC_GPFIFO_FLAGS_VPR_ENABLED (1 << 0) /* set owner channel of this gpfifo as a vpr channel */
@@ -1216,8 +1212,6 @@ struct nvgpu_preemption_mode_args {
_IOWR(NVGPU_IOCTL_MAGIC, 107, struct nvgpu_submit_gpfifo_args)
#define NVGPU_IOCTL_CHANNEL_ALLOC_OBJ_CTX \
_IOWR(NVGPU_IOCTL_MAGIC, 108, struct nvgpu_alloc_obj_ctx_args)
#define NVGPU_IOCTL_CHANNEL_FREE_OBJ_CTX \
_IOR(NVGPU_IOCTL_MAGIC, 109, struct nvgpu_free_obj_ctx_args)
#define NVGPU_IOCTL_CHANNEL_ZCULL_BIND \
_IOWR(NVGPU_IOCTL_MAGIC, 110, struct nvgpu_zcull_bind_args)
#define NVGPU_IOCTL_CHANNEL_SET_ERROR_NOTIFIER \