Andrea Arcangeli wrote: >> >> Aren't mmu notifiers called with mmap_sem held for read? >> >> Maybe not from the swap path? >> > > Good point, the swap path isn't covered by the mmap_sem, so Marcelo's > right I need to fixup the locking a bit. >
One idea I had at a time was to add ->lock() and ->unlock() callbacks to mmu notifiers that would be called in a sleepy context. But that seems heavy handed. Maybe it can be fixed in some clever way with rcu or with a rwlock around the memory slot map. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
