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KVM: x86: hyperv: optimize 'all cpus' case in kvm_hv_flush_tlb()
authorVitaly Kuznetsov <vkuznets@redhat.com>
Wed, 22 Aug 2018 10:18:29 +0000 (12:18 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 16 Oct 2018 22:29:44 +0000 (00:29 +0200)
commita812297c4fd9c2c9337b451ad8d66083c5b24ceb
tree7d4da181f54955a033880395489b0d0fee13ccb7tree | snapshot
parent9170200ec0ebad70e5b9902bc93e2b1b11456a3bcommit | diff
KVM: x86: hyperv: optimize 'all cpus' case in kvm_hv_flush_tlb()

We can use 'NULL' to represent 'all cpus' case in
kvm_make_vcpus_request_mask() and avoid building vCPU mask with
all vCPUs.

Suggested-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/hyperv.c diff | blob | history
virt/kvm/kvm_main.c diff | blob | history
Domain: System / Kernel;