KVM: x86: Don't call kvm_mmu_change_mmu_pages() if the count hasn't changed

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There is no point in calling kvm_mmu_change_mmu_pages() for memslot
operations that don't change the total page count, so do it just for
KVM_MR_CREATE and KVM_MR_DELETE.

Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Message-Id: <9e56b7616a11f5654e4ab486b3237366b7ba9f2a.1638817640.git.maciej.szmigiero@oracle.com>

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Maciej S. Szmigiero 2021-12-06 20:54:23 +01:00 • committed by Paolo Bonzini

parent 7cd08553ab

commit e0c2b6338a

1 changed files with 2 additions and 1 deletions

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arch/x86/kvm/x86.c

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