On Wed, Nov 1, 2017 at 11:46 AM, Dave Hansen <dave.han...@linux.intel.com> wrote: > > The vmalloc()'d stacks definitely need the page table walk.
Ugh, yes. Nasty.
Andy at some point mentioned a per-cpu initial stack trampoline thing
for his exception patches, but I'm not sure he actually ever did that.
Andy?
Linus
