On Wed, Nov 1, 2017 at 1:33 PM, Andy Lutomirski <l...@kernel.org> wrote: > On Wed, Nov 1, 2017 at 12:05 PM, Linus Torvalds > <torva...@linux-foundation.org> wrote: >> 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? > > I'm going to push it to kernel.org very shortly (like twenty minutes > maybe). Then the 0day bot can chew on it. With the proposed LDT > rework, we don't need to do any of dynamic mapping stuff, I think.
FWIW, I pushed all but the actual stack switching part. Something broke in the rebase and it doesn't boot right now :(
