Re: [RFC PATCH] x86, entry: Switch stacks on a paranoid entry from userspace

[Andy Lutomirski]

On Thu, Nov 13, 2014 at 2:33 PM, Luck, Tony <tony.luck@xxxxxxxxx> wrote:
>> Are you sure that this works in an unmodified kernel
>
> Unmodified kernel has run tens of thousands of injection/consumption/recovery cycles.
>
> I did get a crash with the entry/exit traces you asked for.  Last 20000 lines of console log
> attached.  There are a couple of OOPs before things fall apart completely.  I haven't yet
> counted all the entry/exits from the last cycle to see if they match.
>

That log was a good hint, and I am a fool.  I'll send a v3 once I test it.

I'm still unconvinced by the timeout code, though...

---Andy

> -Tony
>



-- 
Andy Lutomirski
AMA Capital Management, LLC
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