On Wed, Feb 05, 2014 at 02:37:29PM -0500, Vince Weaver wrote: > On Wed, 5 Feb 2014, Vince Weaver wrote: > > > Has someone actually hit this bug? People used PAPI/perfctr on these > > machines for years, and it uses rdpmc by default so I would think it would > > show up if it were an issue. I should check the perfctr code to see if it > > had some sort of check. > > I can verify the perfctr code does have a case for PPRO errata 26, but it > only disables things on pentium pros with stepping less than 9.
The doc said 0xB1, right? Should we keep it at that? Its not like there's a lot of PPro machines left out there, so better safe than sorry. > It also disables rdpmc on original Pentiums due to errata 74 but I don't > think we have to worry about that one. We don't have a Family 5 driver, so no. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
