[TF-M] Review request of TF-M dual-cpu mailbox enhancement

Hi all,

Could you please help the patches to enhance TF-M dual-cpu mailbox, as discussed in last Technical Forum?

Improvements to make NS RTOS port easier: https://review.trustedfirmware.org/q/topic:%22mailbox-enhance%22+(status:ope...) A new working model to support NS RTOS application isolation better: https://review.trustedfirmware.org/q/topic:%22mailbox-dedicated-thread%22+(s...) Any comment is welcome!

Please see the slides for the basic ideas of the enhancements mentioned above. Slides link: https://www.trustedfirmware.org/docs/TF-M_Dual-cpu_NSPE_mailbox_enhancement....

Best regards, Hu Ziji