On 1/23/26 08:54, Borislav Petkov wrote: > Hmmm, so, my gut feeling tells me that we need a proper ia32 emu support > detection in the running kernel. I can't find one after a short grep, maybe it > should be in /proc/cpuinfo, maybe it should be a syscall which fails when > IA32_EMULATION is off or maybe ptrace(2) says somewhere in the depths of its > countless ops that it does support IA32 emulation.
Yeah, a little arch_prctl() that returns supported or not would be nice. I just hope we can manage to keep it used by the selftests and not get abused by anyone else.

