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SubjectRe: [PATCH v9 1/2] arch/*: Add CONFIG_ARCH_HAVE_CMPXCHG64
Hi Bart,

On Mon, May 14, 2018 at 10:42 PM, Bart Van Assche
<Bart.VanAssche@wdc.com> wrote:
> On Mon, 2018-05-14 at 11:50 -0700, Max Filippov wrote:
>> On Mon, May 14, 2018 at 11:46 AM, Bart Van Assche
>> <bart.vanassche@wdc.com> 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.
>
> Hello Max,
>
> Thanks for the feedback. Do you perhaps know whether keeping names in
> alphabetical order is a requirement for arch/xtensa/Kconfig only or
> whether this is required for all arch/*/Kconfig files?

It's a good practice anyway, as it reduces the probability of merge conflicts.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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