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| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-12-18 13:54:58 +0100 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2017-01-09 14:48:02 +0100 |
| commit | 26fbbee5815e9352187ac18f0aa53534f62567ff (patch) | |
| tree | 7359959ae8e805fdbdd5b2b3ae8c8b33c8bd438d /arch/x86/kvm/lapic.c | |
| parent | b3c045d33218fe291b04d30e24b6eab0431987e6 (diff) | |
| download | op-kernel-dev-26fbbee5815e9352187ac18f0aa53534f62567ff.zip op-kernel-dev-26fbbee5815e9352187ac18f0aa53534f62567ff.tar.gz | |
KVM: lapic: do not set KVM_REQ_EVENT unnecessarily on PPR update
On PPR update, we set KVM_REQ_EVENT unconditionally anytime PPR is lowered.
But we can take into account IRR here already.
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.c')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index a878e33..457fb20 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -607,7 +607,8 @@ static void apic_update_ppr(struct kvm_lapic *apic) { u32 ppr; - if (__apic_update_ppr(apic, &ppr)) + if (__apic_update_ppr(apic, &ppr) && + apic_has_interrupt_for_ppr(apic, ppr) != -1) kvm_make_request(KVM_REQ_EVENT, apic->vcpu); } |
