Sry, that disturbing you all, but what are the conclusion here for 4.14.y?
- take Thomas's patch https://lore.kernel.org/patchwork/patch/969521/#1162900
- revert commit 2d898915ccf4838c04531c51a598469e921a5eb5

Hi Frederic,

I reported this very issue to tglx last night and he asked me to verify his
proposed patch which i just did. I can confirm the the patch fixes the issue
on 4.14.67 and Greg should add it to the stable queue please.

Tested-by: John Crispin <john@phrozen.org>

Thanks,
	John