[PATCH v2 09/10] asm-generic: percpu: Add assembly guard

[Johannes Berg]

On Sun, 2025-08-10 at 13:51 +0800, Tiwei Bie wrote:
> From: Tiwei Bie <tiwei.btw at antgroup.com>
> 
> Currently, asm/percpu.h is directly or indirectly included by
> some assembly files on x86. Some of them (e.g., checksum_32.S)
> are also used on um. But x86 and um provide different versions
> of asm/percpu.h -- um uses asm-generic/percpu.h directly.
> 
> When SMP is enabled, asm-generic/percpu.h will introduce C code
> that cannot be assembled. Since asm-generic/percpu.h currently
> is not designed for use in assembly, and these assembly files
> do not actually need asm/percpu.h on um, let's add the assembly
> guard in asm-generic/percpu.h to fix this issue.
> 
> Cc: Arnd Bergmann <arnd at arndb.de>
> Cc: linux-arch at vger.kernel.org

Can we get an ACK from someone for this? :) Or a reject and we need to
find other ways of doing things?

johannes