On 5/19/20 9:21 AM, Ahmed Karaman wrote: > The issue arose because the page crossings check in use_goto_tb() > function is required only in the system mode. Checking it in both modes > causes an unnecessary overhead in the user mode.
It is not only required in system mode. You can see failures in user-mode if you modify executable pages, or change their permissions with mmap. Such as if the guest program contains a JIT. r~