Subject: Re: linux-next: build warning after merge of the mm tree

From: Stephen Rothwell <[email-masked]>
Date: Thu, 23 Mar 2023 13:58:35 +1100

Hi all,

On Mon, 20 Mar 2023 14:47:21 +1100 Stephen Rothwell <[email-masked]> wrote:
>
> After merging the mm tree, today's linux-next build (sparc64 defconfig)
> produced this warning:
> 
> In file included from include/linux/wait.h:11,
>                  from include/linux/swait.h:8,
>                  from include/linux/completion.h:12,
>                  from include/linux/mm_types.h:14,
>                  from include/linux/uio.h:10,
>                  from include/linux/vmalloc.h:12,
>                  from include/asm-generic/io.h:994,
>                  from arch/sparc/include/asm/io.h:22,
>                  from arch/sparc/vdso/vclock_gettime.c:18:
> arch/sparc/include/asm/current.h:18:30: warning: call-clobbered register used for global register variable
>    18 | register struct task_struct *current asm("g4");
>       |                              ^~~~~~~

This has come back today.  Did my fix up get dropped accidentally?

-- 
Cheers,
Stephen Rothwell