If our fancy little table is present when calling kvm_mpidr_to_vcpu(),
use it to recover the corresponding vcpu.
Reviewed-by: Joey Gouly <joey.gouly@xxxxxxx>
Reviewed-by: Zenghui Yu <yuzenghui@xxxxxxxxxx>
Tested-by: Joey Gouly <joey.gouly@xxxxxxx>
Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
---
arch/arm64/kvm/arm.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index b02e28f76083..e3d667feecaf 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -2388,6 +2388,18 @@ struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr)
unsigned long i;
mpidr &= MPIDR_HWID_BITMASK;
+
+ if (kvm->arch.mpidr_data) {
+ u16 idx = kvm_mpidr_index(kvm->arch.mpidr_data, mpidr);
+
+ vcpu = kvm_get_vcpu(kvm,
+ kvm->arch.mpidr_data->cmpidr_to_idx[idx]);
+ if (mpidr != kvm_vcpu_get_mpidr_aff(vcpu))
+ vcpu = NULL;
+
+ return vcpu;
+ }
+
kvm_for_each_vcpu(i, vcpu, kvm) {
if (mpidr == kvm_vcpu_get_mpidr_aff(vcpu))
return vcpu;
--
2.34.1
