Hi! > This patchset adds three secure heaps: > 1) secure_mtk_cm: secure chunk memory for MediaTek SVP (Secure Video Path). > The buffer is reserved for the secure world after bootup and it is used > for vcodec's ES/working buffer; > 2) secure_mtk_cma: secure CMA memory for MediaTek SVP. This buffer is > dynamically reserved for the secure world and will be got when we start > playing secure videos, Once the security video playing is complete, the > CMA will be released. This heap is used for the vcodec's frame buffer. > 3) secure_cma: Use the kerne CMA ops as the allocation ops. > currently it is a draft version for Vijay and Jaskaran. Is there high-level description of what the security goals here are, somewhere? BR, Pavel -- People of Russia, stop Putin before his war on Ukraine escalates.
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