Re: [PATCH v6 10/22] KVM: x86/mmu: Pass memory caches to allocate SPs separately

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On Mon, May 16, 2022, David Matlack wrote:
> Refactor kvm_mmu_alloc_shadow_page() to receive the caches from which it
> will allocate the various pieces of memory for shadow pages as a
> parameter, rather than deriving them from the vcpu pointer. This will be
> useful in a future commit where shadow pages are allocated during VM
> ioctls for eager page splitting, and thus will use a different set of
> caches.
> 
> Preemptively pull the caches out all the way to
> kvm_mmu_get_shadow_page() since eager page splitting will not be calling

Uber nit, "eager hugepage splitting" to provide a mental cue/reminder for why
those pages are direct.

> kvm_mmu_alloc_shadow_page() directly.
> 
> No functional change intended.
> 
> Signed-off-by: David Matlack <dmatlack@xxxxxxxxxx>
> ---

Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>



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