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From: Andy Lutomirski <luto@kernel.org>
Date: Wed, 29 Nov 2017 10:12:02 -0800
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Subject: Re: [PATCH] x86/entry/64: Fix native_load_gs_index() SWAPGS handling
 with IRQ state tracing enabled
To: Andy Lutomirski <luto@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
        Jarkko Nikula <jarkko.nikula@linux.intel.com>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Borislav Petkov <bp@alien8.de>
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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?

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