Messages in this thread | | | Date | Fri, 3 Sep 2010 08:50:53 -0700 | Subject | Re: Serious problem with ticket spinlocks on ia64 | From | Tony Luck <> |
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On Fri, Sep 3, 2010 at 7:52 AM, Petr Tesarik <ptesarik@suse.cz> 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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