linux-kernel - Re: [PATCH v3] tee: amdtee: unload TA only when its refcount becomes 0

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Date:   Wed, 5 May 2021 13:09:17 +0200
From:   Jens Wiklander <jens.wiklander@...aro.org>
To:     Rijo Thomas <Rijo-john.Thomas@....com>
Cc:     Dan Carpenter <dan.carpenter@...cle.com>,
        Devaraj Rangasamy <Devaraj.Rangasamy@....com>,
        Mythri Pandeshwara krishna <mythri.pandeshwarakrishna@....com>,
        OP-TEE TrustedFirmware <op-tee@...ts.trustedfirmware.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] tee: amdtee: unload TA only when its refcount becomes 0

On Tue, May 4, 2021 at 6:26 AM Rijo Thomas <Rijo-john.Thomas@....com> wrote:
>
>
>
> On 03/05/21 5:17 pm, Dan Carpenter wrote:
> > On Mon, May 03, 2021 at 09:04:35AM +0530, Rijo Thomas wrote:
> >>
> >>
> >> On 14/04/21 11:08 pm, Rijo Thomas 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.Rangasamy@....com>
> >>> Signed-off-by: Rijo Thomas <Rijo-john.Thomas@....com>
> >>
> >> Hi Dan,
> >>
> >> Can you please give an Ack if you are okay with this patch.
> >> I have incorporated your review comments for v2.
> >>
> >
> > Oh, Sorry.  Thanks!
> >
> > Acked-by: Dan Carpenter <dan.carpenter@...cle.com>
>
> Thanks Dan!
>
> Jens, can you please pull in this patch.

Done!

Cheers,
Jens