On Tue, Oct 27, 2026, at 01:12, Arnd Bergmann wrote: > > E.g. on arm64 with CONFIG_ARM64_SW_TTBR0_PAN, the page table base for > the current process is only set in user_access_begin() and would > not point to any task here. Without ttbr0_pan, it should be > covered by cpu_set_reserved_ttbr0() turning off all user space access > for kernel threads.
correction: for non-sw_ttbr0_pan, enter_lazy_tlb() does nothing
on arm64, so it is the same as x86 and the others.
Arnd
