Do you disable interrupts when lazy_mmu is active? Otherwise, it seems
to me that drivers will have problems using kmap_atomic() within an
interrupt routine...
J
Jeremy Fitzhardinge wrote:> Do you disable interrupts when lazy_mmu is active? Otherwise, it seems > to me that drivers will have problems using kmap_atomic() within an > interrupt routine... >Yup, that's a pretty serious bug. Looks like the lazy mmu code needs to save and restore interrupts, or alternatively, have kmap_atomic turn off lazy_mmu if it is enabled. Zach