Re: [PATCH v10 14/15] selftests/mm: add userfaultfd RWP tests

[Mike Rapoport]

On Wed, Jul 08, 2026 at 10:57:58PM -0700, Andrew Morton wrote:
> On Wed,  8 Jul 2026 12:14:15 +0100 Kiryl Shutsemau <kirill@xxxxxxxxxxxxx> wrote:
> 
> > Coverage for UFFDIO_REGISTER_MODE_RWP and UFFDIO_RWPROTECT:
> 
> I'm getting selftests build errors:
> 
> uffd-unit-tests.c: In function ‘uffd_register_rwp’:
> uffd-unit-tests.c:624:25: error: ‘UFFDIO_REGISTER_MODE_RWP’ undeclared (first use in this function); did you mean ‘UFFDIO_REGISTER_MODE_WP’?
>   624 |                 .mode = UFFDIO_REGISTER_MODE_RWP,
>       |                         ^~~~~~~~~~~~~~~~~~~~~~~~
>       |                         UFFDIO_REGISTER_MODE_WP
> uffd-unit-tests.c:624:25: note: each undeclared identifier is reported only once
> 
> <etc>
> 
> Seems that tools/include/uapi/linux/userfaultfd.h needs updates from
> include/uapi/linux/userfaultfd.h?

Hmm, I wonder if it should be there at all :/

I thought userfaultfd.h is brought into selftests by make install_headers
  
> I'll disable this patch for now.

-- 
Sincerely yours,
Mike.