ACK/Cmnt: [SRU][J:linux-bluefield][PATCH v1 0/1] UBUNTU: SAUCE: optee: Adjust CONFIG_OPTEE_SHM_NUM_PRIV_PAGES to 4

[Thibault Ferrante]

Good for me with the commit title fix.
More information on the expected format can be found here: https://wiki.ubuntu.com/Kernel/Dev/StablePatchFormat

Acked-by: Thibault Ferrante <thibault.ferrante at canonical.com>


On 29-08-2023 15:20, James Hurley wrote:
> BugLink: https://bugs.launchpad.net/bugs/2033316
> 
> SRU Justification:
> 
> [Impact]
> This change is needed to OPTEE as the FTPM driver requires 2 contiguous SHMEM pages to boot. Without this change the ftpm_tee_probe function will fail.
> 
> [Fix]
> Change the CONFIG_OPTEE_SHM_NUM_PRIV_PAGES from 1 to 4. Note that other SHMEM structures are allocated out of this OPTEE pool as well.
> 
> [Test Case]
> Verified the Microsoft TPM 2.0 FTPM is fully functional with this change, running the tpm2-tss Test Suite (mandatory & optional) tests as well as many of the TPM2 Command tools.
> 
> [Regression Potential]
> This only has an effect if OPTEE is configured/enabled in the kernel.
> 
> James Hurley (1):
>    UBUNTU: [Config] optee: Adjust CONFIG_OPTEE_SHM_NUM_PRIV_PAGES to 4
> 
> debian.bluefield/config/annotations | 3 +++
>   1 file changed, 3 insertions(+)
> 
--
Thibault