Re: [PATCH 1/4] mach-snapdragon: Carve out reserved memory at init for MSM8917

[Balaji Selvanathan <balaji.selvanathan@oss.qualcomm.com>]

Hi Reza,

Thanks for the series.

On 9/10/2026 3:11 PM, Reza Kurniawan wrote:
> Certain regions of memory in MSM8917 are marked as 'no-map'. These
> regions may cause security violation when included in the standard mapping.
>
> Signed-off-by: Reza Kurniawan <imkyufie@gmail.com>
Reviewed-by: Balaji Selvanathan <balaji.selvanathan@oss.qualcomm.com>
>
> ---
>
>   arch/arm/mach-snapdragon/mem_map.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-snapdragon/mem_map.c b/arch/arm/mach-snapdragon/mem_map.c
> index f64ec0c67..eb0242ef8 100644
> --- a/arch/arm/mach-snapdragon/mem_map.c
> +++ b/arch/arm/mach-snapdragon/mem_map.c
> @@ -216,7 +216,8 @@ void enable_caches(void)
>   	 * reserved regions as inacessible (PTE_TYPE_FAULT)
>   	 */
>   	if (qcom_memmap_source == QCOM_MEMMAP_SOURCE_SMEM ||
> -	    fdt_node_check_compatible(gd->fdt_blob, 0, "qcom,qcs404") == 0) {
> +	    fdt_node_check_compatible(gd->fdt_blob, 0, "qcom,qcs404") == 0 ||
> +	    fdt_node_check_compatible(gd->fdt_blob, 0, "qcom,msm8917") == 0) {
>   		carveout_start = get_timer(0);
>   		/* Takes ~20-50ms on SDM845 */
>   		configure_reserved_memory();