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SubjectRe: [PATCH v3 15/15] arm64: defconfig: enable SHM Bridge support for the TZ memory allocator
On Mon, Oct 09, 2023 at 05:34:27PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> Enable SHM Bridge support in the Qualcomm TrustZone allocator by default
> as even on architectures that don't support it, we automatically fall
> back to the default behavior.

Can you give some motivation for the Kconfig? It seems like what you've
wrote should just fallback to the non SHM bridge allocated memory, so I
don't see what having the option to exclude that at build time gives us.

>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> ---
> arch/arm64/configs/defconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 07011114eef8..ebe97fec6e33 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -255,6 +255,7 @@ CONFIG_INTEL_STRATIX10_RSU=m
> CONFIG_EFI_CAPSULE_LOADER=y
> CONFIG_IMX_SCU=y
> CONFIG_IMX_SCU_PD=y
> +CONFIG_QCOM_TZMEM_MODE_SHMBRIDGE=y
> CONFIG_GNSS=m
> CONFIG_GNSS_MTK_SERIAL=m
> CONFIG_MTD=y
> --
> 2.39.2
>

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