On Wed, Sep 10, 2014 at 11:27:44AM -0700, Andi Kleen wrote: > > Note that since then we have actually fixed the 'cannot fault from NMI > > context' thing, so we should be able to actually take those faults. I > > suspect we can simply remove those WARNs from the vmalloc fault path, > > but it would need double checking to see if there's no other reasons. > > I think we actually need to use vmalloc_sync_all, because the PEBS/DS > microcode may do the first access, and those lose events when > the page is not present.
You'll need to convince Linus: https://lkml.org/lkml/2010/7/14/478 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
