On Tue, Jan 10, 2023 at 08:15:50PM +0100, Christian Borntraeger wrote: > Am 09.01.23 um 15:54 schrieb Heiko Carstens: > > Use READ_ONCE() before cmpxchg() to prevent that the compiler generates > > code that fetches the to be compared old value several times from memory. > > > > Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx> > > Looks sane. > > Reviewed-by: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx> > > In case you want to take it via the s390 tree: > Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx> Given that there don't seem to be any pending s390 specific patches I take it via the s390 tree. Applied.