xiaoxiang781216 commented on code in PR #16729:
URL: https://github.com/apache/nuttx/pull/16729#discussion_r2209342978
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drivers/misc/optee.c:
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@@ -345,6 +346,10 @@ optee_shm_to_page_list(FAR struct optee_shm *shm, FAR
uintptr_t *list_pa)
*list_pa = optee_va_to_pa(list) | pgoff;
}
+#ifndef CONFIG_ARCH_USE_MMU
Review Comment:
Ok, I understand your config: disable MMU, but enable cache. But it mayn't a
support combination from:
https://developer.arm.com/documentation/ddi0406/b/System-Level-Architecture/Virtual-Memory-System-Architecture--VMSA-/Memory-access-sequence/Enabling-and-disabling-the-MMU
this statement is for armv7-a, but the similar limitation may exist on
armv8-a too.
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