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| author | Steve Rutherford <srutherford@google.com> | 2015-07-29 23:21:40 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-10-01 15:06:26 +0200 |
| commit | 49df6397edfc5a8ba8ca813b51fb9729d8e94b40 (patch) | |
| tree | b5cb29a28fff01c9c85c4f02961164532fa241b2 /arch/x86/kvm/lapic.c | |
| parent | 4ca7dd8ce4b24e18f94eed90e80c6eb80fb48c9a (diff) | |
| download | talos-obmc-linux-49df6397edfc5a8ba8ca813b51fb9729d8e94b40.tar.gz talos-obmc-linux-49df6397edfc5a8ba8ca813b51fb9729d8e94b40.zip | |
KVM: x86: Split the APIC from the rest of IRQCHIP.
First patch in a series which enables the relocation of the
PIC/IOAPIC to userspace.
Adds capability KVM_CAP_SPLIT_IRQCHIP;
KVM_CAP_SPLIT_IRQCHIP enables the construction of LAPICs without the
rest of the irqchip.
Compile tested for x86.
Signed-off-by: Steve Rutherford <srutherford@google.com>
Suggested-by: Andrew Honig <ahonig@google.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 | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index c4bcc86d6dc4..e05946c36b87 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -209,7 +209,8 @@ out: if (old) kfree_rcu(old, rcu); - kvm_vcpu_request_scan_ioapic(kvm); + if (ioapic_in_kernel(kvm)) + kvm_vcpu_request_scan_ioapic(kvm); } static inline void apic_set_spiv(struct kvm_lapic *apic, u32 val) @@ -1845,7 +1846,8 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu, kvm_x86_ops->hwapic_isr_update(vcpu->kvm, apic_find_highest_isr(apic)); kvm_make_request(KVM_REQ_EVENT, vcpu); - kvm_rtc_eoi_tracking_restore_one(vcpu); + if (ioapic_in_kernel(vcpu->kvm)) + kvm_rtc_eoi_tracking_restore_one(vcpu); } void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu) |
