Re: [PATCH 6/7] selftests: only compile userfaultfd for x86 and powperpc

[Andrea Arcangeli]

On Wed, Sep 09, 2015 at 06:43:11PM +1000, Michael Ellerman wrote:
> On Tue, 2015-09-08 at 16:34 +0200, Andrea Arcangeli wrote:
> > 
> > I already had a few minor changes queued to be submitted for arm and
> > ppc and a few updates to the selftest.
> > 
> > I didn't like that you had to remember running make headers_install
> > for changes like the below one to build, so I added the dependency so
> > that "make" still works without having to run other commands before
> > it. These aren't reviewed yet.
> > 
> > https://git.kernel.org/cgit/linux/kernel/git/andrea/aa.git/commit/?id=5ce2efeb91b501aa1bc7370f43732681fa9123e2
> 
> That's, how should I put it, fairly gross :)
> 
> I'd really rather you didn't do that. It's really not that hard to run make
> headers_install once manually is it?

I agree it's fairly gross, but I don't like when "make" fails and you
need to know something non-standard from documentation to make it work
(ehm documentation? I don't think there is any about how to build the
selftest).

This is self documenting change (that works better than actual
documentation) and you're free to run "make headers_install" by hand
if you prefer after a git clean -d -x -f and you won't know the
difference.

If there's a cleaner solution that's fine, but I don't like to
fallback in having to run "make headers_install" by hand :).

> I think given you already have a series you should pick this up as part of
> that series. It will need to be reworked slightly anyway to go on top of your
> series I think.

Yep I reworked and integrated it.

Thanks!
Andrea
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