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| author |   Feng Wu <feng.wu@intel.com> | 2016-01-25 16:53:33 +0800 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2016-02-09 13:24:40 +0100 |
| commit | 520040146a0af36f7875ec06b58f44b19a0edf53 (patch) | |
| tree | c6159cfc984ec0e77e7957c87ccc7def68e9ffa8 /arch/x86/kvm/lapic.h | |
| parent | KVM: Recover IRTE to remapped mode if the interrupt is not single-destination (diff) | |
| download | linux-dev-520040146a0af36f7875ec06b58f44b19a0edf53.tar.xz linux-dev-520040146a0af36f7875ec06b58f44b19a0edf53.zip | |
KVM: x86: Use vector-hashing to deliver lowest-priority interrupts
Use vector-hashing to deliver lowest-priority interrupts, As an
example, modern Intel CPUs in server platform use this method to
handle lowest-priority interrupts.
Signed-off-by: Feng Wu <feng.wu@intel.com>
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/lapic.h')
| -rw-r--r-- | arch/x86/kvm/lapic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index 41bdb35b4b67..afccf4099b00 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -175,4 +175,6 @@ void wait_lapic_expire(struct kvm_vcpu *vcpu); bool kvm_intr_is_single_vcpu_fast(struct kvm *kvm, struct kvm_lapic_irq *irq, struct kvm_vcpu **dest_vcpu); +int kvm_vector_to_index(u32 vector, u32 dest_vcpus, + const unsigned long *bitmap, u32 bitmap_size); #endif |