Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf

[Borislav Petkov]

On Sat, Sep 09, 2017 at 11:26:27AM -0700, Linus Torvalds wrote:
> But the fact that that fixes it for you does indicate that it's not
> just a stale TLB entry or something, it really is some CPU using page
> tables after they have been free'd and been re-allocated to something
> else (and *then* they may point to garbage).

Cool, I was trying to think of a good use case how we'd hit that. I
guess you just gave one. :)

Thx.

-- 
Regards/Gruss,
    Boris.

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