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

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Date:   Thu, 23 Mar 2023 13:58:35 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     David Miller <davem@...emloft.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Lorenzo Stoakes <lstoakes@...il.com>
Subject: Re: linux-next: build warning after merge of the mm tree

Hi all,

On Mon, 20 Mar 2023 14:47:21 +1100 Stephen Rothwell <sfr@...b.auug.org.au> 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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