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[2603:6081:7b00:6400:923c:ac63:6854:a688]) by smtp.gmail.com with ESMTPSA id e65-20020a256944000000b00dbccc57e9c8sm752567ybc.56.2023.12.19.09.46.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Dec 2023 09:46:37 -0800 (PST) Date: Tue, 19 Dec 2023 12:46:35 -0500 From: Tom Rini To: Etienne Carriere Cc: u-boot@lists.denx.de, Jens Wiklander , Patrick Delaunay , Patrice Chotard Subject: Re: [PATCH 2/2] tee: optee: don't enumerate services if there ain't any Message-ID: <20231219174635.GE2513409@bill-the-cat> References: <20231129123753.1906956-1-etienne.carriere@foss.st.com> <20231129123753.1906956-2-etienne.carriere@foss.st.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="J8ygGBUtjayMa1Q+" Content-Disposition: inline In-Reply-To: <20231129123753.1906956-2-etienne.carriere@foss.st.com> X-Clacks-Overhead: GNU Terry Pratchett X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean --J8ygGBUtjayMa1Q+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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. >=20 > 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. >=20 > Fixes: 94ccfb78a4d6 ("drivers: tee: optee: discover OP-TEE services") > Signed-off-by: Etienne Carriere > Reviewed-by: Patrice Chotard > Reviewed-by: Jens Wiklander Applied to u-boot/next, thanks! --=20 Tom --J8ygGBUtjayMa1Q+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEGjx/cOCPqxcHgJu/FHw5/5Y0tywFAmWB1vsACgkQFHw5/5Y0 tyyBagv8CP924Rt5++xdhJpokNuuMwTnVDBeQ/60y1tuZDgOx57PfLA5qE/OxLMO 35F0gniZj+EM/B6Dr27lgTqeBJsIyGUpjvEjUmnSItKbMtZlFdP1p/k6Ju+t6Otg bcAcaTMAjFAMnYPaxTmwx0ogST2SDR3ixYBqPYhsKXWylkJIKGjpwZ8FnsTTT7AU t4coOTWDajmUIpnyKNJN7bQX6gFKAChvJbE0VSw3EFJY4TducIAbx4wfkExxvK7R k+gftvxVC6y5Losg1YTBwxcz2rAX3M4X3BV8ZSGcLrGmDr/3JcspkEC0ZFh19e73 oLMHHCMM2FAyWQxRwTMPr5XpUcxjsSB5qkmcVwU11+9t3vSQJ+QdyKvEyWE5fzSo G4piC1iMs9YjPiBRe3+SEkEOyq8v4mu8N/bCVmiFV3ivv82QcKPL0yZaWqs0CS+N ecVStv/kC2RoeJgkZDydJbg1mwJ/LhIYnSDxta1EL859MYmIRnFwsojfrYQIl5lS mqQSSJGd =YbDH -----END PGP SIGNATURE----- --J8ygGBUtjayMa1Q+--