linux-kernel - Re: [PATCH 06/12] KVM: MMU: rename kvm_mmu

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Message-ID: <YgWtdUotsoBOOtXz@google.com>
Date:   Fri, 11 Feb 2022 00:27:33 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        vkuznets@...hat.com, mlevitsk@...hat.com, dmatlack@...gle.com
Subject: Re: [PATCH 06/12] KVM: MMU: rename kvm_mmu_reload

On Wed, Feb 09, 2022, Paolo Bonzini wrote:
> The name of kvm_mmu_reload is very confusing for two reasons:
> first, KVM_REQ_MMU_RELOAD actually does not call it; second,
> it only does anything if there is no valid root.
> 
> Rename it to kvm_mmu_ensure_valid_root, which matches the actual
> behavior better.

100% agree that kvm_mmu_reload() is a terrible name, but kvm_mmu_ensure_valid_root()
isn't much better, e.g. it sounds like a sanity check and nothing more.

Maybe just be very literalal?

  kvm_mmu_load_if_necessary()
  kvm_mmu_load_if_invalid()

Or follow cond_sched()?

  kvm_mmu_cond_load()