On Wed, 03 Jan 2018 15:53:07 -0500, Rich Freeman wrote: > On Wed, Jan 3, 2018 at 3:35 PM, Wols Lists <antli...@youngman.org.uk> wrote: >> >> And as I understand it the code can be disabled with either a compile >> time option or command line switch to the kernel. > > I suspect the compile-time option is PAGE_TABLE_ISOLATION (which was > newly added in 4.14.11). The command line option nopti will disable > it at runtime. > > Rumor has it that it will be disabled on AMD CPUs in 4.14.12, but I
That's not a rumor and it can be easily verified either here: https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-4.14/x86-cpu-x86-pti-do-not-enable-pti-on-amd-processors.patch or in mainline git, respectively. -h
