On Wed, 23 Apr 2008, Andrea Arcangeli wrote: > The only way to avoid failing because of vmalloc space shortage or > oom, would be to provide a O(N*N) fallback. But one that can't be > interrupted by sigkill! sigkill interruption was ok in #v12 because we > didn't rely on mmu_notifier_unregister to succeed. So it avoided any > DoS but it still can't provide any reliable unregister.
If unregister fails then the driver should not detach from the address space immediately but wait until -->release is called. That may be a possible solution. It will be rare that the unregister fails. ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
