On Tue, 24 Apr 2007 19:09:13 -0700 Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: > akpm@xxxxxxxxxxxxxxxxxxxx wrote: > > The patch titled > > ignore-stolen-time-in-the-softlockup-watchdog-fix > > has been added to the -mm tree. Its filename is > > ignore-stolen-time-in-the-softlockup-watchdog-fix.patch > > > > *** Remember to use Documentation/SubmitChecklist when testing your code *** > > > > See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find > > out what to do about this > > > > ------------------------------------------------------ > > Subject: ignore-stolen-time-in-the-softlockup-watchdog-fix > > From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > > > > Avoid reevaluating smp_processor_id() > > > > I don't think this is a useful patch. Are there any architectures which > have an expensive smp_processor_id() and use it in per_cpu? Any which enable CONFIG_DEBUG_PREEMPT... > On x86 > smp_processor_id is cheap, and once the pda->percpu patches go in, won't > be used for get_cpu_var anyway. > > J - To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
