diff options
| author | Sean Christopherson <seanjc@google.com> | 2021-10-22 03:00:03 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-10-22 11:51:30 +0200 |
| commit | bc3b3c1002ea684e618ff6d8c387b1b8b319f140 (patch) | |
| tree | e473b2b1a5a5c1e2bb3c0896a34f48152cb1cbf5 /arch/x86 | |
| parent | KVM: X86: Don't unload MMU in kvm_vcpu_flush_tlb_guest() (diff) | |
| download | linux-bc3b3c1002ea684e618ff6d8c387b1b8b319f140.tar.xz linux-bc3b3c1002ea684e618ff6d8c387b1b8b319f140.zip | |
KVM: x86/mmu: Drop a redundant, broken remote TLB flush
A recent commit to fix the calls to kvm_flush_remote_tlbs_with_address()
in kvm_zap_gfn_range() inadvertantly added yet another flush instead of
fixing the existing flush. Drop the redundant flush, and fix the params
for the existing flush.
Cc: stable@vger.kernel.org
Fixes: 2822da446640 ("KVM: x86/mmu: fix parameters to kvm_flush_remote_tlbs_with_address")
Cc: Maxim Levitsky <mlevitsk@redhat.com>
Cc: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20211022010005.1454978-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 28d06180079d..d9f1142b4892 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -5752,13 +5752,11 @@ void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end) for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) flush = kvm_tdp_mmu_zap_gfn_range(kvm, i, gfn_start, gfn_end, flush); - if (flush) - kvm_flush_remote_tlbs_with_address(kvm, gfn_start, - gfn_end - gfn_start); } if (flush) - kvm_flush_remote_tlbs_with_address(kvm, gfn_start, gfn_end); + kvm_flush_remote_tlbs_with_address(kvm, gfn_start, + gfn_end - gfn_start); kvm_dec_notifier_count(kvm, gfn_start, gfn_end); |