On Fri, Aug 12, 2016 at 7:49 AM, Borislav Petkov <b...@suse.de> wrote: > On Thu, Aug 11, 2016 at 02:49:29PM -0700, Thomas Garnier wrote: >> Restore the processor state before calling any other function to ensure >> per-cpu variables can be used with KASLR memory randomization. >> >> Tracing functions use per-cpu variables (gs based) and one was called >> just before restoring the processor state fully. It resulted in a double >> fault when both the tracing & the exception handler functions tried to >> use a per-cpu variable. >> >> Signed-off-by: Thomas Garnier <thgar...@google.com> >> --- >> Based on next-20160808 > > Ok, I believe before I test this, I need to apply another patch from > Rafael. I think it is the "Always create temporary identity mapping > correctly" thing. > > Yes, no?
Yes. > Rafael, can you please apply everything on a test branch for us to run? You can simply test my linux-next branch: git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \ linux-next That's 4.8-rc1 plus 3 fixes on top of it. Thanks, Rafael
