Re: [PATCH v9 1/2] arch/*: Add CONFIG_ARCH_HAVE_CMPXCHG64
From: Bart Van Assche
Date: Mon May 14 2018 - 16:42:28 EST
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@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.
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?