On Thu, Mar 27, 2014 at 02:27:26PM -0700, John Stultz wrote: > 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.
Yes, agreed. My patch only provides a way to disable HPET for some specific platforms :) Thanks, Feng -- 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/
