Re: [PATCH v2 05/10] percpu: Wire up cmpxchg128

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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>




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