On Wed, Nov 29, 2017 at 9:57 AM, Andy Lutomirski <luto@kernel.org> wrote:
> On Tue, Nov 28, 2017 at 11:09 PM, Ingo Molnar <mingo@kernel.org> wrote:
>>
>> * Jarkko Nikula <jarkko.nikula@linux.intel.com> wrote:
>>
>>> Hi
>>>
>>> Suspend-to-ram and resume stopped working on v4.15-rc1 and I bisected it to
>>> commit ca37e57bbe0c ("x86/entry/64: Add missing irqflags tracing to
>>> native_load_gs_index()").
>>>

Jarkko, can you try the attached patch?  If it survives resume, can
you see if the log contains anything interesting?