Messages in this thread | | | Date | Fri, 1 Mar 2013 11:23:55 +0100 | From | Michal Hocko <> | Subject | Re: + mm-show_mem-suppress-page-counts-in-non-blockable-contexts.patch added to -mm tree |
| |
On Fri 01-03-13 02:15:04, David Rientjes wrote: > On Fri, 1 Mar 2013, Michal Hocko wrote: > > > I have already asked about it in the original thread but didn't get any > > answer. How can we get a soft lockup when all implementations of show_mem > > call touch_nmi_watchdog? > > > > Feel free to do s/soft lockups/irqs being disabled for an extremely long > time/.
OK, that sounds better. Sorry for being so persistent on this but soft lockups tend to be a real issue for distribution kernels with !CONFIG_PREEMPT so anything that fixes soft lockups raises a red flag.
Acked-by: Michal Hocko <mhocko@suse.cz> -- Michal Hocko SUSE Labs
| |