From: Christoph Hellwig <hch@xxxxxx> Date: Mon, 10 Aug 2020 18:42:14 +0200 > This reverts commits 6d04fe15f78acdf8e32329e208552e226f7a8ae6 and > a31edb2059ed4e498f9aa8230c734b59d0ad797a. > > It turns out the idea to share a single pointer for both kernel and user > space address causes various kinds of problems. So use the slightly less > optimal version that uses an extra bit, but which is guaranteed to be safe > everywhere. > > Fixes: 6d04fe15f78a ("net: optimize the sockptr_t for unified kernel/user address spaces") > Reported-by: Eric Dumazet <edumazet@xxxxxxxxxx> > Reported-by: John Stultz <john.stultz@xxxxxxxxxx> > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Applied, thanks.