* Andy Lutomirski <l...@amacapital.net> wrote:
>
>
> > On Dec 10, 2017, at 1:38 PM, Pavel Machek <pa...@ucw.cz> wrote:
> >
> >
> > After 4.15-rc2, suspend stopped working on Thinkpad X60. 5b06bbc
> > (unintentionally?) reordered stuff with respect to
> > fix_processor_context() on 32-bit and 64-bit. We undo that change on
> > 32-bit.
> >
>
> Can you explain what was wrong with the reordering? Your patch certainly
> *looks* incorrect.
>
> I'm guessing that the real issue is that 32-bit needs %fs restored early for
> TLS.
Does some early percpu primitive need GS as well perhaps?
Might be safest to restore both FS and GS early.
Thanks,
Ingo
