Messages in this thread | | | Date | Tue, 14 Jun 2005 10:00:11 -0700 | From | Nishanth Aravamudan <> | Subject | Re: [PATCH 0/4] new timeofday-based soft-timer subsystem |
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On 13.06.2005 [20:46:55 -0700], Nishanth Aravamudan wrote: > On 08.06.2005 [20:11:42 -0700], john stultz wrote: > > Hey Everyone, > > I'm heading out on vacation until Monday, so I'm just re-spinning my > > current tree for testing. If there's no major issues on Monday, I'll re- > > diff against Andrew's tree and re-submit the patches for inclusion. > > Here is an update of my soft-timer rework to John's latest patches. I > have made some major changes in this revision. I would still greatly > appreciate any comments.
<snip>
> Notes / Blocking Issues:
<snip>
> NUMA-Q is definitely broken with my patch, but not NUMA itself. > Honestly not sure why, but timeofday seems to also be broken on > NUMA-Q -- it sets up the TSC as the timesource, even though it > shouldn't be (booting with notsc on NUMA-Qs seems to fix the > problem for John's patches, at least).
Hrm, I just tried the same emulation on NUMA-Q that I did for ppc64:
inline do_monotonic_clock() { return jiffies_to_nsecs(jiffies - INITIAL_JIFFIES); }
and kernbench ran ok with just my patches on top of 2.6.12-rc6-git5. So, I think -- not positive, admittedly, the problem may be with John's patches on NUMA-Q, maybe even just some of the timesources.
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