On Monday, December 11, 2017 3:22:39 PM CET Rafael J. Wysocki wrote: > On Sunday, December 10, 2017 10:58:23 PM CET Andy Lutomirski wrote: > > > > > On Dec 10, 2017, at 1:38 PM, Pavel Machek <[email protected]> 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. > > I *think* you are right.
Hmm. Don't we need to restore GS on 32-bit before doing the per_cpu() thing in fix_processor_context()?

