On Wed, Oct 11, 2023 at 03:33:17PM +0800, D. Wythe wrote: > From: "D. Wythe" <alibuda@xxxxxxxxxxxxxxxxx> > > This patch add explicit CPU barrier to ensure memory > consistency rather than compiler barrier. > > Besides, the atomicity between READ_ONCE and cmpxhcg cannot > be guaranteed, so we need to use atomic ops. The simple way > is to replace READ_ONCE with xchg. > > Fixes: 475f9ff63ee8 ("net/smc: fix application data exception") > Co-developed-by: Heiko Carstens <hca@xxxxxxxxxxxxx> > Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx> ^^^ I did not Co-develop this, nor did I provide an explicit Signed-off-by. Please don't add Signed-off-by statements which have not been explicitly agreed on.