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KVM: nVMX: Don't flush TLB on nested VMX transition
authorSean Christopherson <sean.j.christopherson@intel.com>
Fri, 20 Mar 2020 21:28:30 +0000 (14:28 -0700)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 21 Apr 2020 13:12:58 +0000 (09:12 -0400)
commit9805c5f74b8a65da397ec6b70734e44f1f191c0b
tree53a2ca06ff65e8d2abbdc1f88ec7d5284e6d76c1tree | snapshot
parent41fab65e7c44ab1c3aa4b962e6f95649354db419commit | diff
KVM: nVMX: Don't flush TLB on nested VMX transition

Unconditionally skip the TLB flush triggered when reusing a root for a
nested transition as nested_vmx_transition_tlb_flush() ensures the TLB
is flushed when needed, regardless of whether the MMU can reuse a cached
root (or the last root).

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200320212833.3507-35-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/mmu/mmu.c diff | blob | blame | history
arch/x86/kvm/vmx/nested.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git