On Sat, 30 Apr 2011 08:57:07 -0700 Greg KH wrote: > On Sat, Apr 30, 2011 at 02:02:05PM +0200, Nikola Ciprich wrote: > > > There was a kernel parameter in the past that was used to make jiffies > > > wrap > > > a few minutes after boot, maybe we should revive it to try to reproduce > > > without waiting 7 new months :-/ > > hmm, I've googled this up, and it seems to have been 2.5.x patch, so it will > > certainly need some porting.. > > I'll try to have a look on it tonight and report... > > I don't think any patch is needed, I thought we did that by default now, > but I can't seem to find the code where it happens... > > odd.
linux/jiffies.h: /* * Have the 32 bit jiffies value wrap 5 minutes after boot * so jiffies wrap bugs show up earlier. */ #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ)) and kernel/timer.c: u64 jiffies_64 __cacheline_aligned_in_smp = INITIAL_JIFFIES; --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
