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

From: Stephen Rothwell
Date: Wed Mar 22 2023 - 22:58:47 EST


Hi all,

On Mon, 20 Mar 2023 14:47:21 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> 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

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