On Tue, Aug 06, 2019 at 03:36:37PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <rdun...@infradead.org>
>
> arch/microblaze/ is missing support for get_user() of size 8 bytes,
> so add it by using __copy_from_user().
>
> Fixes these build errors:
> drivers/infiniband/core/uverbs_main.o: In function `ib_uverbs_write':
> drivers/infiniband/core/.tmp_gl_uverbs_main.o:(.text+0x13a4): undefined
> reference to `__user_bad'
> drivers/android/binder.o: In function `binder_thread_write':
> drivers/android/.tmp_gl_binder.o:(.text+0xda6c): undefined reference to
> `__user_bad'
> drivers/android/.tmp_gl_binder.o:(.text+0xda98): undefined reference to
> `__user_bad'
> drivers/android/.tmp_gl_binder.o:(.text+0xdf10): undefined reference to
> `__user_bad'
> drivers/android/.tmp_gl_binder.o:(.text+0xe498): undefined reference to
> `__user_bad'
> drivers/android/binder.o:drivers/android/.tmp_gl_binder.o:(.text+0xea78):
> more undefined references to `__user_bad' follow
>
> 'make allmodconfig' now builds successfully for arch/microblaze/.
>
> Fixes: 538722ca3b76 ("microblaze: fix get_user/put_user side-effects")
> Reported-by: kbuild test robot <l...@intel.com>
> Signed-off-by: Randy Dunlap <rdun...@infradead.org>
> Cc: Al Viro <v...@zeniv.linux.org.uk>
> Cc: Steven J. Magnani <st...@digidescorp.com>
> Cc: Michal Simek <mon...@monstr.eu>
> Cc: Jason Gunthorpe <j...@mellanox.com>
> Cc: Leon Romanovsky <leo...@mellanox.com>
> Cc: Andrew Morton <a...@linux-foundation.org>
> ---
> arch/microblaze/include/asm/uaccess.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
Thanks, it works for us.
Reviewed-by: Leon Romanovsky <leo...@mellanox.com>
