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Re: Serious problem with ticket spinlocks on ia64

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On Fri, Sep 3, 2010 at 7:52 AM, Petr Tesarik <ptesarik@xxxxxxx> wrote:
> Anyway, if a global TLB flush is necessary to trigger the bug, it would also
> explain why we couldn't reproduce it in user-space.

Perhaps ... I did explore the TLB in one variant of my user mode test I added
a pointer-chasing routine that looked at enough pages to clear out the TLB.
Not quite the same as a flush - but close.  It didn't help at all.

-Tony
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