Re: [PATCH v9 1/2] arch/*: Add CONFIG_ARCH_HAVE_CMPXCHG64

[Max Filippov]

On Mon, May 14, 2018 at 11:46 AM, Bart Van Assche
<bart.vanassche@xxxxxxx> wrote:
> The next patch in this series introduces a call to cmpxchg64()
> in the block layer core for those architectures on which this
> functionality is available. Make it possible to test whether
> cmpxchg64() is available by introducing CONFIG_ARCH_HAVE_CMPXCHG64.
>
> ---

[...]

> diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
> index c921e8bccdc8..8234278a821d 100644
> --- a/arch/xtensa/Kconfig
> +++ b/arch/xtensa/Kconfig
> @@ -23,6 +23,7 @@ config XTENSA
>         select HAVE_DMA_CONTIGUOUS
>         select HAVE_EXIT_THREAD
>         select HAVE_FUNCTION_TRACER
> +       select ARCH_HAVE_CMPXCHG64

This breaks alphabetical sorting of Kconfig entries.

>         select HAVE_FUTEX_CMPXCHG if !MMU
>         select HAVE_HW_BREAKPOINT if PERF_EVENTS
>         select HAVE_IRQ_TIME_ACCOUNTING

-- 
Thanks.
-- Max