On Tue, Oct 31, 2017 at 3:31 PM, Dave Hansen <dave.han...@linux.intel.com> wrote: > > Our CR4-based TLB flush currently requries global pages to be > supported *and* enabled. But, we really only need for them to be > supported. Make the code more robust by alllowing X86_CR4_PGE to > clear as well as set. > > This change was suggested by Kirill Shutemov.
I may have missed something, but why would be ever have CR4.PGE off?
