Re: arch/xtensa/include/asm/uaccess.h:40:22: error: implicit declaration of function 'uaccess_kernel'; did you mean 'getname_kernel'?
From: Max Filippov
Date: Mon May 20 2019 - 01:53:16 EST
Hello,
On Sun, May 19, 2019 at 10:39 PM kbuild test robot <lkp@xxxxxxxxx> wrote:
> Hi Matt,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: a188339ca5a396acc588e5851ed7e19f66b0ebd9
> commit: 7df95299b94a63ec67a6389fc02dc25019a80ee8 staging: kpc2000: Add DMA driver
> date: 4 weeks ago
> config: xtensa-allmodconfig (attached as .config)
> compiler: xtensa-linux-gcc (GCC) 8.1.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout 7df95299b94a63ec67a6389fc02dc25019a80ee8
> # save the attached .config to linux build tree
> GCC_VERSION=8.1.0 make.cross ARCH=xtensa
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@xxxxxxxxx>
>
> All errors (new ones prefixed by >>):
>
> In file included from drivers/staging/kpc2000/kpc_dma/fileops.c:11:
> arch/xtensa/include/asm/uaccess.h: In function 'clear_user':
> >> arch/xtensa/include/asm/uaccess.h:40:22: error: implicit declaration of function 'uaccess_kernel'; did you mean 'getname_kernel'? [-Werror=implicit-function-declaration]
> #define __kernel_ok (uaccess_kernel())
> ^~~~~~~~~~~~~~
I've posted a fix for this issue here:
https://lkml.org/lkml/2019/5/8/956
If there are post merge window pull requests planned for the
staging tree please consider including this fix. Alternatively
if I could get an ack for this fix I'd submit it in a pull request
from the xtensa tree.
--
Thanks.
-- Max