2017-08-24 0:51 GMT+08:00 Andy Lutomirski <l...@amacapital.net>:
> To avoid further wasting time solving this wrong: NAK.  pt_regs is the actual 
> interrupted state, not some oddly sanitized version thereof.  NMI isn't even 
> the only way you can have a weird pt_regs like this.
>
> It seems that some older kernels contain bugs where they incorrectly assume 
> that regs->rsp is a valid pointer.  Why don't you write a patch for *that * 
> and send it to lkml, us, and sta...@vger.kernel.org.

Got it. Thanks for clear answer.

I agree that pt_regs users should handle it, if the pt_regs reflects
the actual interrupted status.


-- 
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Oliver Yang

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