KVM: x86/mmu: pass struct kvm_pagewalk to kvm_mmu_invalidate_addr

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kvm_mmu_invalidate_addr()'s callers only want to tell it whether to
invalidate a GVA or GPA.  This will ultimately be represented by two
different kvm_pagewalk structs, so adjust the type of the parameter.

As of this patch, the GVA case is represented by both root_mmu.w and
nested_mmu.w.  Since nested_mmu never has a sync_spte callback, it would
exit at its check, but really nested_mmu should not be a kvm_mmu in the
first place: it is only used as the walk_mmu, and walk_mmu is only used
for its struct kvm_pagewalk member.

Since calling container_of() on the nested_mmu would be bogus after it is
turned into a struct kvm_pagewalk, introduce a separate check to check
if no work is needed beyond kvm_x86_call(flush_tlb_gva).  Implement it
so that it is as similar as possible to what was happening until now; that
is, do nothing if the invalidation is happening for a nested GVA.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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This commit is contained in:

Paolo Bonzini 2026-04-05 09:15:33 +02:00

parent 7c70bf8f93

commit 9262ed5a03

4 changed files with 11 additions and 7 deletions

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2

arch/x86/kvm/mmu.h

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12

arch/x86/kvm/mmu/mmu.c

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2

arch/x86/kvm/vmx/nested.c

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arch/x86/kvm/x86.c

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