Subject: Re: linux-next: build failure after merge of the aio tree

From: Christoph Hellwig <[email-masked]>
Date: Thu, 14 Jan 2016 23:39:44 -0800

On Tue, Jan 12, 2016 at 04:40:34PM +1100, Stephen Rothwell wrote:
> Hi Benjamin,
> 
> After merging the aio tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
> 
> fs/built-in.o: In function `aio_thread_op_foo_at':
> file.c:(.text+0x43808): undefined reference to `__get_user_bad'
> file.c:(.text+0x43838): undefined reference to `__get_user_bad'
> 
> Caused by commit
> 
>   150a0b4905f1 ("aio: add support for async openat()")

How did that code end up in linux-next anyway?