On Thu, Jan 11, 2024 at 09:55:47PM +0800, Tong Tiangen wrote: > Currently, there are some kernel memory copy scenarios is also mc safe > which use copy_mc_to_kernel() or copy_mc_user_highpage(). Both of those end up in copy_mc_enhanced_fast_string() which does EX_TYPE_DEFAULT_MCE_SAFE. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette