On Sat, Jul 30, 2011 at 06:30:22PM -0400, Nelson Elhage wrote: > epoll can acquire multiple ep->mutex on multiple "struct eventpoll"s > at once in the case where one epoll fd is monitoring another epoll > fd. This is perfectly OK, since we're careful about the lock ordering, > but causes spurious lockdep warnings. Annotate the recursion using > mutex_lock_nested, and add a comment explaining the nesting rules for > good measure. > > Reported-by: Paul Bolle <pebolle@xxxxxxxxxx> > Signed-off-by: Nelson Elhage <nelhage@xxxxxxxxxxx> We were seeing lockdep warnings for this in rawhide until I applied the patch. Would it be possible to get it into 3.1 still? josh -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
