KVM: x86/mmu: Add a helper to walk and zap rmaps for a memslot

Add a dedicated helper to walk and zap rmaps for a given memslot so that
the code can be shared between KVM-initiated zaps and mmu_notifier
invalidations.

No functional change intended.

Link: https://lore.kernel.org/r/20240809194335.1726916-13-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson 2024-08-09 12:43:24 -07:00
commit dd9eaad744