linux-kernel - Re: [PATCH 2/2] KVM: x86: Use a switch statement in __feature

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Message-ID: <ZTcO8M3T9DGYrN2M@google.com>
Date:   Mon, 23 Oct 2023 17:25:20 -0700
From:   Sean Christopherson <seanjc@...gle.com>
To:     Jim Mattson <jmattson@...gle.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        "'Paolo Bonzini '" <pbonzini@...hat.com>
Subject: Re: [PATCH 2/2] KVM: x86: Use a switch statement in __feature_translate()

On Mon, Oct 23, 2023, Jim Mattson wrote:
> The compiler will probably do better than linear search.

It shouldn't matter, KVM relies on the compiler to resolve the translation at
compile time, e.g. the result is fed into reverse_cpuid_check().

I.e. we should pick whatever is least ugly.