linux-kernel - Re: [PATCH v6 0/2] Enhance TEE kernel client interface

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Message-ID: <CAFA6WYOqB2BwrZhgm1=btEmPwxYVpKKFAgOE2mYOUrUykgmiLw@mail.gmail.com>
Date:   Fri, 17 Apr 2020 16:14:57 +0530
From:   Sumit Garg <sumit.garg@...aro.org>
To:     Jens Wiklander <jens.wiklander@...aro.org>
Cc:     "tee-dev @ lists . linaro . org" <tee-dev@...ts.linaro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jerome Forissier <jerome@...issier.org>,
        Stuart Yoder <stuart.yoder@....com>,
        Daniel Thompson <daniel.thompson@...aro.org>
Subject: Re: [PATCH v6 0/2] Enhance TEE kernel client interface

Hi Jens,

On Fri, 27 Mar 2020 at 11:00, Sumit Garg <sumit.garg@...aro.org> wrote:
>
> Earlier this patch-set was part of TEE Trusted keys patch-set [1]. But
> since these are completely independent enhancements for TEE kernel
> client interface which can be merged separately while TEE Trusted keys
> discussions are ongoing.
>
> Patch #1 enables support for registered kernel shared memory with TEE.
>
> Patch #2 enables support for private kernel login method required for
> cases like trusted keys where we don't wan't user-space to directly
> access TEE service.
>
> [1] https://lkml.org/lkml/2019/10/31/430
>
> Changes in v6:
> - Reserve only half of GP implementation defined range for kernel space.
>
> Changes in v5:
> - Misc. renaming of variables.
>
> Sumit Garg (2):
>   tee: enable support to register kernel memory
>   tee: add private login method for kernel clients
>

In case we don't have any further comments, would you like to pick up these?

-Sumit

>  drivers/tee/tee_core.c   |  7 +++++++
>  drivers/tee/tee_shm.c    | 28 +++++++++++++++++++++++++---
>  include/linux/tee_drv.h  |  1 +
>  include/uapi/linux/tee.h |  9 +++++++++
>  4 files changed, 42 insertions(+), 3 deletions(-)
>
> --
> 2.7.4
>