> > I don't understand. Does the kernel code need to wait for the helper > to finish while holding the semaphore? AFAICS, the helper is completely > asynchronous, so it can simply do its job when the kernel has given > up the semaphore.
It should be totally async witout any sem. there is no guarantee that userspace is even available at the time you do the call. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
