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/openbmc/linux/arch/x86/kvm/
H A Dhyperv.cdiff 0baedd792713063213f1e2060dc6a5d536638f0a Wed Mar 25 11:28:24 CDT 2020 Vitaly Kuznetsov <vkuznets@redhat.com> KVM: x86: make Hyper-V PV TLB flush use tlb_flush_guest()

Hyper-V PV TLB flush mechanism does TLB flush on behalf of the guest
so doing tlb_flush_all() is an overkill, switch to using tlb_flush_guest()
(just like KVM PV TLB flush mechanism) instead. Introduce
KVM_REQ_HV_TLB_FLUSH to support the change.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
H A Dx86.cdiff 0baedd792713063213f1e2060dc6a5d536638f0a Wed Mar 25 11:28:24 CDT 2020 Vitaly Kuznetsov <vkuznets@redhat.com> KVM: x86: make Hyper-V PV TLB flush use tlb_flush_guest()

Hyper-V PV TLB flush mechanism does TLB flush on behalf of the guest
so doing tlb_flush_all() is an overkill, switch to using tlb_flush_guest()
(just like KVM PV TLB flush mechanism) instead. Introduce
KVM_REQ_HV_TLB_FLUSH to support the change.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
/openbmc/linux/arch/x86/include/asm/
H A Dkvm_host.hdiff 0baedd792713063213f1e2060dc6a5d536638f0a Wed Mar 25 11:28:24 CDT 2020 Vitaly Kuznetsov <vkuznets@redhat.com> KVM: x86: make Hyper-V PV TLB flush use tlb_flush_guest()

Hyper-V PV TLB flush mechanism does TLB flush on behalf of the guest
so doing tlb_flush_all() is an overkill, switch to using tlb_flush_guest()
(just like KVM PV TLB flush mechanism) instead. Introduce
KVM_REQ_HV_TLB_FLUSH to support the change.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>