On Thu, Feb 02, 2023 at 03:50:33PM +0100, Peter Zijlstra wrote: > For all architectures that currently support cmpxchg_double() > implement the cmpxchg128() family of functions that is basically the > same but with a saner interface. > > Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> > --- > arch/arm64/include/asm/atomic_ll_sc.h | 41 +++++++++++++++++++++++++ > arch/arm64/include/asm/atomic_lse.h | 31 +++++++++++++++++++ > arch/arm64/include/asm/cmpxchg.h | 26 ++++++++++++++++ > arch/s390/include/asm/cmpxchg.h | 14 ++++++++ > arch/x86/include/asm/cmpxchg_32.h | 3 + > arch/x86/include/asm/cmpxchg_64.h | 55 +++++++++++++++++++++++++++++++++- > 6 files changed, 168 insertions(+), 2 deletions(-) For s390: Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
