lkml.org 
[lkml]   [2017]   [Nov]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Date
    SubjectRe: [PATCH 00/23] KAISER: unmap most of the kernel from userspace page tables
    On Wed, Nov 1, 2017 at 1:33 PM, Andy Lutomirski <luto@kernel.org> wrote:
    > On Wed, Nov 1, 2017 at 12:05 PM, Linus Torvalds
    > <torvalds@linux-foundation.org> wrote:
    >> On Wed, Nov 1, 2017 at 11:46 AM, Dave Hansen
    >> <dave.hansen@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 :(

    \
     
     \ /
      Last update: 2017-11-02 08:33    [W:2.487 / U:0.052 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site