KVM: x86/mmu: Add separate override for MMU sync during fast CR3 switch

Browse source

Add a separate "skip" override for MMU sync, a future change to avoid
TLB flushes on nested VMX transitions may need to sync the MMU even if
the TLB flush is unnecessary.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200320212833.3507-32-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

...

This commit is contained in:

Sean Christopherson 2020-03-20 14:28:27 -07:00 • committed by Paolo Bonzini

parent b869855bad

commit 4a632ac6ca

4 changed files with 11 additions and 9 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

3

arch/x86/include/asm/kvm_host.h

View file

13

arch/x86/kvm/mmu/mmu.c

View file

2

arch/x86/kvm/vmx/nested.c

View file

2

arch/x86/kvm/x86.c

View file