From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jens Wiklander <jens.wiklander@linaro.org>
To: op-tee@lists.trustedfirmware.org
Subject: Re: [PATCH v4 3/8] optee: fix tee out of memory failure seen during
 kexec reboot
Date: Mon, 14 Jun 2021 09:22:52 +0200
Message-ID: <20210614072252.GB1033436@jade>
In-Reply-To: <20210610210913.536081-4-tyhicks@linux.microsoft.com>
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On Thu, Jun 10, 2021 at 04:09:08PM -0500, Tyler Hicks wrote:
> From: Allen Pais <apais@linux.microsoft.com>
> 
> The following out of memory errors are seen on kexec reboot
> from the optee core.
> 
> [    0.368428] tee_bnxt_fw optee-clnt0: tee_shm_alloc failed
> [    0.368461] tee_bnxt_fw: probe of optee-clnt0 failed with error -22
> 
> tee_shm_release() is not invoked on dma shm buffer.
> 
> Implement .shutdown() method to handle the release of the buffers
> correctly.
> 
> More info:
> https://github.com/OP-TEE/optee_os/issues/3637
> 
> Signed-off-by: Allen Pais <apais@linux.microsoft.com>
> Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
> ---
>  drivers/tee/optee/core.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)

Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

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