Re: arch/xtensa/include/asm/uaccess.h:40:22: error: implicit declaration of function 'uaccess_kernel'; did you mean 'getname_kernel'?

[Greg Kroah-Hartman]

On Sun, May 19, 2019 at 10:50:44PM -0700, Max Filippov wrote:
> 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.

It's now queued up, sorry, I had to wait for 5.2-rc1 to be released.

thanks,

greg k-h