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Date: Wed, 16 Mar 2016 13:12:36 +0200 From: Andy Shevchenko <andy.shevchenko@...il.com> To: Arnd Bergmann <arnd@...db.de> Cc: linuxppc-dev@...ts.ozlabs.org, Benjamin LaHaise <bcrl@...ck.org>, Sudip Mukherjee <sudipm.mukherjee@...il.com>, Stephen Rothwell <sfr@...b.auug.org.au>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, linux-next <linux-next@...r.kernel.org>, Al Viro <viro@...iv.linux.org.uk>, Christoph Hellwig <hch@....de> Subject: Re: linux-next: build failure after merge of the aio tree On Wed, Mar 16, 2016 at 12:02 AM, Arnd Bergmann <arnd@...db.de> wrote: > On Tuesday 15 March 2016 12:22:28 Benjamin LaHaise wrote: >> On Tue, Mar 15, 2016 at 04:19:02PM +0000, Sudip Mukherjee wrote: >> > On Tue, Mar 15, 2016 at 05:46:34PM +1100, Stephen Rothwell 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' >> > > >> > > Caused by commit >> > > >> > > 150a0b4905f1 ("aio: add support for async openat()") >> > > >> > > despite commit >> > > >> > > d2f7a973e11e ("aio: don't use __get_user() for 64 bit values") >> > > >> I've removed everything from the aio-next.git tree for now. Will revisit >> after the merge window. I think it is the best solution right now. > I've also sent a patch that fixes the link error on ARM and that should > work on all other architectures too. In case of avr32 signalfd_read() fails. Does your patch help with it as well? P.S. Bisecting shows same culprit: 150a0b4905f1 ("aio: add support for async openat()") -- With Best Regards, Andy Shevchenko
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