On Thu, Jul 16, 2020 at 11:17:09AM +0800, Zhu Yanjun wrote: > On Wed, Jul 15, 2020 at 8:39 PM Mikhail Malygin <m.malygin@xxxxxxxxx> wrote: > > > > Thanks, I’ll post an updated version. > > > > Mikhail > > > > > On 15 Jul 2020, at 14:37, Jason Gunthorpe <jgg@xxxxxxxxxx> wrote: > > > > > > The spinock in post_one_send() guarantees no reordering across > > How about spin_lock_irqsave? The unlock of any lock prevents store reordering by definition Jason