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KVM: Remove unused kvm_vcpu_gfn_to_pfn_atomic

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The last use of kvm_vcpu_gfn_to_pfn_atomic was removed by commit
1bbc60d0c7 ("KVM: x86/mmu: Remove MMU auditing")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Message-ID: <20241001141354.18009-3-linux@treblig.org>
[Adjust Documentation/virt/kvm/locking.rst. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert
2024-10-01 15:13:54 +01:00
committed by Paolo Bonzini
parent 88a387cf9e
commit bc07eea2f3
3 changed files with 1 additions and 8 deletions
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Documentation/virt/kvm/locking.rst
+1 -1
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@@ -136,7 +136,7 @@ For direct sp, we can easily avoid it since the spte of direct sp is fixed
to gfn. For indirect sp, we disabled fast page fault for simplicity.
A solution for indirect sp could be to pin the gfn, for example via
kvm_vcpu_gfn_to_pfn_atomic, before the cmpxchg. After the pinning:
gfn_to_pfn_memslot_atomic, before the cmpxchg. After the pinning:
- We have held the refcount of pfn; that means the pfn can not be freed and
be reused for another gfn.