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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-07-29 16:03:06 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-10-01 16:06:22 +0300 |
| commit | bdaffe1d93e7eddbcc71d074a5d49eba7fe1c765 (patch) | |
| tree | 65a17f3827ebfdf66caa55a70386368cd13a002e /arch/x86/kvm/x86.c | |
| parent | 58219c1ab32be51e23f672ec52d2c6a86b0489d8 (diff) | |
| download | linux-bdaffe1d93e7eddbcc71d074a5d49eba7fe1c765.tar.xz | |
KVM: x86: set TMR when the interrupt is accepted
Do not compute TMR in advance. Instead, set the TMR just before the interrupt
is accepted into the IRR. This limits the coupling between IOAPIC and LAPIC.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 92511d4b7236..c1ed74ebc502 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6144,17 +6144,14 @@ static void process_smi(struct kvm_vcpu *vcpu) static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu) { u64 eoi_exit_bitmap[4]; - u32 tmr[8]; if (!kvm_apic_hw_enabled(vcpu->arch.apic)) return; memset(eoi_exit_bitmap, 0, 32); - memset(tmr, 0, 32); - kvm_ioapic_scan_entry(vcpu, eoi_exit_bitmap, tmr); + kvm_ioapic_scan_entry(vcpu, eoi_exit_bitmap); kvm_x86_ops->load_eoi_exitmap(vcpu, eoi_exit_bitmap); - kvm_apic_update_tmr(vcpu, tmr); } static void kvm_vcpu_flush_tlb(struct kvm_vcpu *vcpu) |