From: Tom Rini <trini@konsulko.com>
To: Etienne Carriere <etienne.carriere@foss.st.com>
Cc: u-boot@lists.denx.de, Jens Wiklander <jens.wiklander@linaro.org>,
Patrick Delaunay <patrick.delaunay@foss.st.com>,
Patrice Chotard <patrice.chotard@foss.st.com>
Subject: Re: [PATCH 2/2] tee: optee: don't enumerate services if there ain't any
Date: Tue, 19 Dec 2023 12:46:35 -0500 [thread overview]
Message-ID: <20231219174635.GE2513409@bill-the-cat> (raw)
In-Reply-To: <20231129123753.1906956-2-etienne.carriere@foss.st.com>
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On Wed, Nov 29, 2023 at 01:37:53PM +0100, Etienne Carriere wrote:
> Change optee driver service enumeration to not enumerate (and
> allocate a zero sized shared memory buffer) when OP-TEE
> reports that there is no service to enumerate.
>
> This change fixes an existing issue that occurs when the such zero
> sized shared memory buffer allocated from malloc() has a physical
> address of offset 0 of a physical 4kB page. In such case, OP-TEE
> secure world refuses to register the zero-sized shared memory
> area and makes U-Boot optee service enumeration to fail.
>
> Fixes: 94ccfb78a4d6 ("drivers: tee: optee: discover OP-TEE services")
> Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
> Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
> Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Applied to u-boot/next, thanks!
--
Tom
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next prev parent reply other threads:[~2023-12-19 17:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-29 12:37 [PATCH 1/2] tee: optee: don't fail on services enumeration failure Etienne Carriere
2023-11-29 12:37 ` [PATCH 2/2] tee: optee: don't enumerate services if there ain't any Etienne Carriere
2023-12-01 10:05 ` Patrice CHOTARD
2023-12-05 15:20 ` Jens Wiklander
2023-12-19 17:46 ` Tom Rini [this message]
2023-12-01 10:05 ` [PATCH 1/2] tee: optee: don't fail on services enumeration failure Patrice CHOTARD
2023-12-05 15:14 ` Jens Wiklander
2023-12-19 17:46 ` Tom Rini
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