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| author |   David Matlack <dmatlack@google.com> | 2021-06-17 23:19:45 +0000 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2021-06-18 06:45:46 -0400 |
| commit | aa23c0ad14228ccfcd0b6f799dd34b348a5f2b1e (patch) | |
| tree | f238e64e0cd8f3e1cfd1ea5b56e25aa7aaee1b5d /arch/x86/kvm/mmu/tdp_mmu.c | |
| parent | KVM: x86: Stub out is_tdp_mmu_root on 32-bit hosts (diff) | |
| download | linux-dev-aa23c0ad14228ccfcd0b6f799dd34b348a5f2b1e.tar.xz linux-dev-aa23c0ad14228ccfcd0b6f799dd34b348a5f2b1e.zip | |
KVM: x86/mmu: Remove redundant is_tdp_mmu_root check
The check for is_tdp_mmu_root in kvm_tdp_mmu_map is redundant because
kvm_tdp_mmu_map's only caller (direct_page_fault) already checks
is_tdp_mmu_root.
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <20210617231948.2591431-2-dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/mmu/tdp_mmu.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c index 4d658882a4d8..d4c254dc4d5f 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.c +++ b/arch/x86/kvm/mmu/tdp_mmu.c @@ -985,8 +985,6 @@ int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code, if (WARN_ON(!VALID_PAGE(vcpu->arch.mmu->root_hpa))) return RET_PF_RETRY; - if (WARN_ON(!is_tdp_mmu_root(vcpu->kvm, vcpu->arch.mmu->root_hpa))) - return RET_PF_RETRY; level = kvm_mmu_hugepage_adjust(vcpu, gfn, max_level, &pfn, huge_page_disallowed, &req_level); |