On Sun, Dec 16, 2018 at 08:48:21PM +0100, Arnd Bergmann wrote: > This is one of only two files that initialize a semaphore to a negative > value. We don't really need the two semaphores here at all, but can do > the same thing in more conventional and more effient way, by using a > single waitqueue and an atomic thread counter. > > This gets us a little bit closer to eliminating classic semaphores from > the kernel. It also fixes a corner case where we fail to continue after > one of the threads fails to start up. > > An alternative would be to use a split kthread_create()+wake_up_process() > and completely eliminate the separate synchronization. > > Acked-by: Phil Sutter <[email protected]> > Signed-off-by: Arnd Bergmann <[email protected]>
Acked-by: Herbert Xu <[email protected]> -- Email: Herbert Xu <[email protected]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
