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

- From: Arnd Bergmann \<arnd@arndb.de\>
- Date: 2016-03-15 16:42:56 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2016/03/4709448
- Thread: https://ratatoskr.run/linuxppc-dev/2016/03/4709155/t.md

```text
On Tuesday 15 March 2016 16:38:51 Andy Shevchenko wrote:
> On Tue, Mar 15, 2016 at 8:46 AM, Stephen Rothwell [ref] wrote:
> > Hi Benjamin,
> >
> > After merging the aio tree, today's linux-next build (powerpc
> > ppc44x_defconfig) failed like this:
> >
> > fs/built-in.o: In function `aio_thread_op_foo_at':
> > aio.c:(.text+0x4dab4): undefined reference to `__get_user_bad'
> > aio.c:(.text+0x4daec): undefined reference to `__get_user_bad'
> 
> avr32 seems affected as well and the below solution is not suitable
> (should be much more verbose in asm, I guess).
> 

ARM as well, at least for ARMv7-M.

	Arnd
```