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From:   Joel Fernandes <joel@joelfernandes.org>
Date:   Tue, 4 Apr 2023 13:01:50 -0400
Message-ID: <CAEXW_YSSSFrRpb8bM0=ebBkJHQdFGuEWRAUqGesdonk9bNohTg@mail.gmail.com>
Subject: Re: [PATCH rcu 0/20] Further shrink srcu_struct to promote cache locality
To:     paulmck@kernel.org
Cc:     rcu@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel-team@meta.com, rostedt@goodmis.org, hch@lst.de
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[..]
> > 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

Thanks.