Re: [PATCH] sparc: compat: allow including asm/compat.h for 32-bit

From: Arnd Bergmann
Date: Wed Apr 11 2018 - 16:25:17 EST


On Wed, Apr 11, 2018 at 9:32 PM, Eric W. Biederman
<ebiederm@xxxxxxxxxxxx> wrote:
> Arnd Bergmann <arnd@xxxxxxxx> writes:
>
>> We have several files on sparc that include linux/compat.h and expect
>> asm/compat.h not to be included, otherwise we get a build failure.
>
> Should this say: "We have several files on sparc that include
> linux/compat.h and expect asm/compat.h not be included when
> !CONFIG_COMPAT." ?

Correct, I'll fix it up. I'll say '32-bit builds' instead, which is what
I'm interested in. On sparc64, CONFIG_COMPAT is enabled
unconditionally, so it's really the same thing.

> I don't have your tree and I see asm/compat.h included from
> linux/compat.h already so the description above seems wrong.

I removed the tree from linux-next before the merge window because
of this build regression, if you are interested in the other changes,
please see

git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git y2038-next

Arnd