diff options
| author | Christoffer Dall <christoffer.dall@linaro.org> | 2017-08-03 12:09:05 +0200 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2018-03-19 10:53:10 +0000 |
| commit | 3df59d8dd3c2526b33d51af9e6f66e61262de71b (patch) | |
| tree | 26679eaf7ef8824f7fb535702ecc0c6af0c20eae /virt/kvm/arm/mmu.c | |
| parent | 35a84dec00a707aed97c1ff9ebb1cd1eb67c7052 (diff) | |
KVM: arm/arm64: Get rid of vcpu->arch.irq_lines
We currently have a separate read-modify-write of the HCR_EL2 on entry
to the guest for the sole purpose of setting the VF and VI bits, if set.
Since this is most rarely the case (only when using userspace IRQ chip
and interrupts are in flight), let's get rid of this operation and
instead modify the bits in the vcpu->arch.hcr[_el2] directly when
needed.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Julien Thierry <julien.thierry@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt/kvm/arm/mmu.c')
| -rw-r--r-- | virt/kvm/arm/mmu.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index ec62d1cccab7..9ebff8e530f9 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -2035,7 +2035,7 @@ void kvm_arch_flush_shadow_memslot(struct kvm *kvm, */ void kvm_set_way_flush(struct kvm_vcpu *vcpu) { - unsigned long hcr = vcpu_get_hcr(vcpu); + unsigned long hcr = *vcpu_hcr(vcpu); /* * If this is the first time we do a S/W operation @@ -2050,7 +2050,7 @@ void kvm_set_way_flush(struct kvm_vcpu *vcpu) trace_kvm_set_way_flush(*vcpu_pc(vcpu), vcpu_has_cache_enabled(vcpu)); stage2_flush_vm(vcpu->kvm); - vcpu_set_hcr(vcpu, hcr | HCR_TVM); + *vcpu_hcr(vcpu) = hcr | HCR_TVM; } } @@ -2068,7 +2068,7 @@ void kvm_toggle_cache(struct kvm_vcpu *vcpu, bool was_enabled) /* Caches are now on, stop trapping VM ops (until a S/W op) */ if (now_enabled) - vcpu_set_hcr(vcpu, vcpu_get_hcr(vcpu) & ~HCR_TVM); + *vcpu_hcr(vcpu) &= ~HCR_TVM; trace_kvm_toggle_cache(*vcpu_pc(vcpu), was_enabled, now_enabled); } |