Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: linux-next: build failure after merge of the aio tree | Date | Tue, 15 Mar 2016 23:02:29 +0100 |
| |
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") > > > > > > This is due to a bug in the powerpc __get_user_check() macro (the return > > > value is defined to be "unsigned long" which is only 32 bits on a 32 > > > bit platform). > > > > m68k allmodconfig and all defs of m32r fails while building next-20160315. > > > > regards > > sudip > > I've removed everything from the aio-next.git tree for now. Will revisit > after the merge window. >
I've also sent a patch that fixes the link error on ARM and that should work on all other architectures too.
Arnd
| |