On Thu, Mar 27, 2014 at 12:52 PM, Andy Lutomirski <l...@amacapital.net> wrote: > On 03/27/2014 04:02 AM, Clemens Ladisch wrote: >> Feng Tang wrote: >> The help text still says: >> | You can safely choose Y here. [...] >> | Choose N to continue using the legacy 8254 timer. >> >> Are these statements still true for those platforms? > > They aren't true for modern desktop and server platforms -- the TSC is > used regardless of hpet availability.
While I suspect the comment above is in relation to the non-apic timer. But with respect to timekeeping, our point is true assuming the TSC isn't mucked up by the BIOS. My 1yr old i7-3930k single socket system still has some wonky BIOS bug that offsets the boot core's TSC. And that's intel's bios, so I can only imagine other vendors have found other ways to cause trouble. So yea, the hpet availability for timekeeping is still important, as the TSC can still be problematic. thanks -john -- 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/
