On Mon, Apr 5, 2021 at 11:43 AM Rijo Thomas <rijo-john.tho...@amd.com> wrote:
>
> Same Trusted Application (TA) can be loaded in multiple TEE contexts.
>
> If it is a single instance TA, the TA should not get unloaded from AMD
> Secure Processor, while it is still in use in another TEE context.
>
> Therefore reference count TA and unload it when the count becomes zero.
>
> Fixes: 757cc3e9ff1d ("tee: add AMD-TEE driver")
> Reviewed-by: Devaraj Rangasamy <devaraj.rangas...@amd.com>
> Signed-off-by: Rijo Thomas <rijo-john.tho...@amd.com>
> ---
> v2:
> * Unload TA if get_ta_refcount() fails
>
> drivers/tee/amdtee/amdtee_private.h | 13 ++++
> drivers/tee/amdtee/call.c | 94 ++++++++++++++++++++++++++---
> drivers/tee/amdtee/core.c | 15 +++--
> 3 files changed, 106 insertions(+), 16 deletions(-)
Looks good to me. Please address Dan's comment.
Cheers,
Jens
