Re: [PATCH v2 2/2] sparc: pass endianness info to sparse

From: Christoph Hellwig
Date: Thu Nov 09 2017 - 03:35:04 EST


On Thu, Nov 09, 2017 at 07:16:52AM +0100, Luc Van Oostenryck wrote:
> sparc is big-endian only but sparse assumes the same endianness
> as the building machine.
> This is problematic for code which expect __BYTE_ORDER__ being
> correctly predefined by the compiler which sparse can then
> pre-process differently from what gcc would, depending on the
> building machine endianness.
>
> Fix this by letting sparse know about the architecture endianness.

You're posted patches for this for about half a dozen architectures
now, but we also now have generic Kconfig symbols for the byte order.

I'd much rather see this done in generic code than hacking it up
everywhere.