On Wed, Nov 1, 2017 at 1:33 PM, Andy Lutomirski <luto@xxxxxxxxxx> wrote: > On Wed, Nov 1, 2017 at 12:05 PM, Linus Torvalds > <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: >> On Wed, Nov 1, 2017 at 11:46 AM, Dave Hansen >> <dave.hansen@xxxxxxxxxxxxxxx> 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 :( -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
