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SubjectRe: [PATCH] arch/microblaze: add support for get_user() of size 8 bytes
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On Tue, Aug 06, 2019 at 03:36:37PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@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 <lkp@intel.com>
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: Al Viro <viro@zeniv.linux.org.uk>
> Cc: Steven J. Magnani <steve@digidescorp.com>
> Cc: Michal Simek <monstr@monstr.eu>
> Cc: Jason Gunthorpe <jgg@mellanox.com>
> Cc: Leon Romanovsky <leonro@mellanox.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> ---
> arch/microblaze/include/asm/uaccess.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>

Thanks, it works for us.
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>

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