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| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2020-02-18 13:07:35 -0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-03-16 17:57:29 +0100 |
| commit | cec37648f40b0ef7e6260ffa588c51fd3754262b (patch) | |
| tree | 084df049fb387dbedcca00708fccb6ce1bae795b /arch/x86/kvm | |
| parent | b3594ffbf932c8e8b23201cdc2c173708a4472dc (diff) | |
| download | linux-stable-cec37648f40b0ef7e6260ffa588c51fd3754262b.tar.gz linux-stable-cec37648f40b0ef7e6260ffa588c51fd3754262b.tar.bz2 linux-stable-cec37648f40b0ef7e6260ffa588c51fd3754262b.zip | |
KVM: x86/mmu: Use range-based TLB flush for dirty log memslot flush
Use the with_address() variant when performing a TLB flush for a
specific memslot via kvm_arch_flush_remote_tlbs_memslot(), i.e. when
flushing after clearing dirty bits during KVM_{GET,CLEAR}_DIRTY_LOG.
This aligns all dirty log memslot-specific TLB flushes to use the
with_address() variant and paves the way for consolidating the relevant
code.
Note, moving to the with_address() variant only affects functionality
when running as a HyperV guest.
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 2ebac21ab024..7268c6ffb643 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -5942,7 +5942,8 @@ void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm, * kvm_mmu_slot_remove_write_access(). */ lockdep_assert_held(&kvm->slots_lock); - kvm_flush_remote_tlbs(kvm); + kvm_flush_remote_tlbs_with_address(kvm, memslot->base_gfn, + memslot->npages); } void kvm_mmu_slot_leaf_clear_dirty(struct kvm *kvm, |