[Intel-gfx] [PATCH v2 26/27] KVM: x86/mmu: Handle KVM bookkeeping in page-track APIs, not callers

[Yan Zhao]

Reviewed-by: Yan Zhao <yan.y.zhao at intel.com>

On Fri, Mar 10, 2023 at 04:22:57PM -0800, Sean Christopherson wrote:
> Get/put references to KVM when a page-track notifier is (un)registered
> instead of relying on the caller to do so.  Forcing the caller to do the
> bookkeeping is unnecessary and adds one more thing for users to get
> wrong, e.g. see commit 9ed1fdee9ee3 ("drm/i915/gvt: Get reference to KVM
> iff attachment to VM is successful").
Just realized that "iff" stands for "if and only if" :)