On 05/14/2015 10:31 AM, Andrea Arcangeli wrote:
+static int userfaultfd_wake_function(wait_queue_t *wq, unsigned mode,
+ int wake_flags, void *key)
+{
+ struct userfaultfd_wake_range *range = key;
+ int ret;
+ struct userfaultfd_wait_queue *uwq;
Hi Dave,
On Tue, Jun 23, 2015 at 12:00:19PM -0700, Dave Hansen wrote:
Down in userfaultfd_wake_function(), it looks like you intended for a
len=0 to mean wake all. But the validate_range() that we do from
userspace has a !len check in it, which keeps us from passing a len=0 in
from
