Re: [PATCH v6 5/5] selftests/mm: add UFFDIO_MOVE ioctl test

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On Mon, Dec 11, 2023 at 4:24 AM Mark Brown <broonie@xxxxxxxxxx> wrote:
>
> On Mon, Dec 11, 2023 at 01:03:27PM +0100, David Hildenbrand wrote:
> > On 11.12.23 12:15, Mark Brown wrote:
>
> > > This is linux-next.  I pasted the commands used to build and sent links
> > > to a full build log in the original report.
>
> > Probably also related to "make headers-install":
>
> > https://lkml.kernel.org/r/20231209020144.244759-1-jhubbard@xxxxxxxxxx
>
> > The general problem is that some mm selftests are currently not written in
> > way that allows them to compile with old linux headers. That's why the build
> > fails if "make headers-install" was not executed, but it does not fail if
> > "make headers-install" was once upon a time executed, but the headers are
> > outdated.
>
> Oh, it's obviously the new headers not being installed.  The builds
> where I'm seeing the problem (my own and KernelCI's) are all fresh
> containers so there shouldn't be any stale headers lying around.

Ok, I was updating my headers and that's why I could not reproduce it.
David, should the test be modified to handle old linux headers
(disable the new tests #ifndef _UFFDIO_MOVE or some other way)?





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