Re: [PATCH 0/5] tee: shared memory cleanup

[Jens Wiklander]

Hi,

On Thu, Jan 9, 2020 at 1:37 PM Jens Wiklander <jens.wiklander@xxxxxxxxxx> wrote:
>
> Hi,
>
> Here's a group of patches to the tee subsystem with cleanups and not so
> urgent fixes related to tee shared memory.
>
> - Unused parts of the shared memory object (struct tee_shm) are removed.
> - Shared memory ids usable from user space are not assigned to driver
>   private shared memory objects
> - The TEE_SHM_USER_MAPPED is used instead of TEE_SHM_REGISTER to accurately
>   tell if a shared memory object originates from another user space mapping.
>
> Only unused "features" should be removed with this patch set, there should
> be no change in behaviour or breakage with other code.

I'll pick up these as they are in a few days if there's no further comments.

Thanks,
Jens

>
> Thanks,
> Jens
>
> Jens Wiklander (5):
>   tee: remove linked list of struct tee_shm
>   tee: remove unused tee_shm_priv_alloc()
>   tee: don't assign shm id for private shms
>   tee: remove redundant teedev in struct tee_shm
>   tee: tee_shm_op_mmap(): use TEE_SHM_USER_MAPPED
>
>  drivers/tee/tee_core.c    |  1 -
>  drivers/tee/tee_private.h |  3 +-
>  drivers/tee/tee_shm.c     | 85 +++++++++++----------------------------
>  include/linux/tee_drv.h   | 19 +--------
>  4 files changed, 27 insertions(+), 81 deletions(-)
>
> --
> 2.17.1
>