Re: [PATCH v8 06/14] tee: implement protected DMA-heap

2025-05-05 Thread Jens Wiklander
Hi, On Fri, May 2, 2025 at 3:59 PM Robin Murphy wrote: > > On 02/05/2025 10:59 am, Jens Wiklander wrote: > > Implement DMA heap for protected DMA-buf allocation in the TEE > > subsystem. > > > > Restricted memory refers to memory buffers behind a hardware enforced > > firewall. It is not accessib

Re: [PATCH v8 06/14] tee: implement protected DMA-heap

2025-05-02 Thread Robin Murphy
On 02/05/2025 10:59 am, Jens Wiklander wrote: Implement DMA heap for protected DMA-buf allocation in the TEE subsystem. Restricted memory refers to memory buffers behind a hardware enforced firewall. It is not accessible to the kernel during normal circumstances but rather only accessible to cer

[PATCH v8 06/14] tee: implement protected DMA-heap

2025-05-02 Thread Jens Wiklander
Implement DMA heap for protected DMA-buf allocation in the TEE subsystem. Restricted memory refers to memory buffers behind a hardware enforced firewall. It is not accessible to the kernel during normal circumstances but rather only accessible to certain hardware IPs or CPUs executing in higher or