On Thu, Feb 02, 2023 at 03:50:35PM +0100, Peter Zijlstra wrote: > In order to replace cmpxchg_double() with the newly minted > cmpxchg128() family of functions, wire it up in this_cpu_cmpxchg(). > > Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> > --- > arch/arm64/include/asm/percpu.h | 21 +++++++++++++++ > arch/s390/include/asm/percpu.h | 17 ++++++++++++ > arch/x86/include/asm/percpu.h | 56 ++++++++++++++++++++++++++++++++++++++++ > include/asm-generic/percpu.h | 8 +++++ > include/linux/percpu-defs.h | 20 ++++++++++++-- > 5 files changed, 120 insertions(+), 2 deletions(-) For s390: Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx>