[PATCH v2 4/9] KVM: arm/arm64: vgic: Reset base address on kvm_vgic_dist_destroy()
From: Eric Auger <eric.auger@redhat.com>
Date: 2021-01-14 10:39:07
Also in:
kvmarm, lkml
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
On vgic_dist_destroy(), the addresses are not reset. However for kvm selftest purpose this would allow to continue the test execution even after a failure when running KVM_RUN. So let's reset the base addresses. Signed-off-by: Eric Auger <eric.auger@redhat.com> --- v1 -> v2: - use dist-> in the else and add braces --- arch/arm64/kvm/vgic/vgic-init.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c
index 052917deb149..cf6faa0aeddb 100644
--- a/arch/arm64/kvm/vgic/vgic-init.c
+++ b/arch/arm64/kvm/vgic/vgic-init.c@@ -335,13 +335,16 @@ static void kvm_vgic_dist_destroy(struct kvm *kvm) kfree(dist->spis); dist->spis = NULL; dist->nr_spis = 0; + dist->vgic_dist_base = VGIC_ADDR_UNDEF; - if (kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3) { + if (dist->vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3) { list_for_each_entry_safe(rdreg, next, &dist->rd_regions, list) { list_del(&rdreg->list); kfree(rdreg); } INIT_LIST_HEAD(&dist->rd_regions); + } else { + dist->vgic_cpu_base = VGIC_ADDR_UNDEF; } if (vgic_has_its(kvm))
@@ -362,6 +365,7 @@ void kvm_vgic_vcpu_destroy(struct kvm_vcpu *vcpu) vgic_flush_pending_lpis(vcpu); INIT_LIST_HEAD(&vgic_cpu->ap_list_head); + vgic_cpu->rd_iodev.base_addr = VGIC_ADDR_UNDEF; } /* To be called with kvm->lock held */
--
2.21.3