Messages in this thread |  | | Date | Thu, 11 Nov 2004 16:02:08 +1100 | | From | Paul Mackerras <> | | Subject | Re: Blast and data miscompare |
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Jake Moilanen writes:
> Not sure if it's the same problem. But we were seeing a miscompare on > 2.4 due to a incorrect COW happening, followed by a hardware hash hole > w/ PPC64. > > To fix it we had to make sure that the PTE was cleared and the TLB's > flushed before the new PTE was established. > > Martin, was this fixed on 2.6?
It can't happen on 2.6; when BenH rewrote the PTE handling in 2.6 earlier this year, this was one of the things we made sure couldn't be a problem.
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