On Fri, Feb 5, 2021 at 7:16 AM Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> wrote: > > Provide prctl() interface to enabled LAM for user addresses. Depending > how many tag bits requested it may result in enabling LAM_U57 or > LAM_U48. I prefer the alternate kernel interface based on CET arch_prctl interface which is implemented in glibc on users/intel/lam/master branch: https://gitlab.com/x86-glibc/glibc/-/tree/users/intel/lam/master and in GCC on users/intel/lam/master branch: https://gitlab.com/x86-gcc/gcc/-/tree/users/intel/lam/master -- H.J.
