Re: [PATCH rcu 0/20] Further shrink srcu_struct to promote cache locality

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On Tue, Apr 04, 2023 at 01:01:50PM -0400, Joel Fernandes wrote:
> [..]
> > > The "improperly set" thingies are perhaps Kconfig on ARM64 setting some KVM
> > > options slightly differently. I have seen that before as well on this board.
> >
> > Agreed, and one of the things on the long list is to allow arch-specific
> > settings for those options.
> >
> > The CONFIG_SMP warnings are interesting, though.  Does arm64 disallow
> > !SMP builds?  ;-)
> 
> Yes, it looks like it. As per arch/arm64/Kconfig, CONFIG_SMP is always
> 'y' and cannot be set.
> 
> config SMP
>         def_bool y

That would do it!  And of course this also explains the CONFIG_TINY_SRCU
complaints.

							Thanx, Paul



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