Re: [LTP] [PATCH] userfaultfd03.c: Require kernel 6.1

[Cyril Hrubis <chrubis@suse.cz>]

Hi!
> > > > Nothing besides trying to fix 6.11 (which was not the case) and trying to
> > > > simplify. But whole effort is somehow relevant to general checking test
> > > > requirements cleanup (we had a discussion runtime checks vs. kconfig/min_kver
> > > > which resulted in Cyril's "lib: tst_kconfig: Add runtime checks" [2]).
> 
> > > I guess that the check for all userfaultfd tests should be moved to the
> > > tst_kconfig.c once my patch that adds runtime checks there is in.
> 
> > Or I can send a V3 that adds that check as well.
> 
> Sure, having /dev/userfaultfd in kconfig check would be a benefit. Thanks!

However it looks like we cannot do that, the /dev/userfaultfd was added
into 6.1 while the usefaultfd syscall existed since 4.3. Hence tests
that need /dev/userfaultfd need additional checks.

However it may be a good idea to add .needs_kconfig to all the
userfaultfd tests we have.

-- 
Cyril Hrubis
chrubis@suse.cz

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